/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=BIGGEST --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_o1000.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 18:25:40,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 18:25:40,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 18:25:40,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 18:25:40,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 18:25:41,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 18:25:41,011 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 18:25:41,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 18:25:41,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 18:25:41,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 18:25:41,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 18:25:41,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 18:25:41,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 18:25:41,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 18:25:41,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 18:25:41,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 18:25:41,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 18:25:41,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 18:25:41,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 18:25:41,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 18:25:41,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 18:25:41,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 18:25:41,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 18:25:41,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 18:25:41,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 18:25:41,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 18:25:41,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 18:25:41,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 18:25:41,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 18:25:41,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 18:25:41,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 18:25:41,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 18:25:41,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 18:25:41,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 18:25:41,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 18:25:41,062 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 18:25:41,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 18:25:41,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 18:25:41,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 18:25:41,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 18:25:41,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 18:25:41,066 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 [2020-10-12 18:25:41,112 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 18:25:41,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 18:25:41,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 18:25:41,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 18:25:41,114 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 18:25:41,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 18:25:41,115 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 18:25:41,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 18:25:41,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 18:25:41,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 18:25:41,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 18:25:41,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 18:25:41,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 18:25:41,118 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 18:25:41,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 18:25:41,118 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 18:25:41,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 18:25:41,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 18:25:41,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 18:25:41,119 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 18:25:41,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 18:25:41,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 18:25:41,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 18:25:41,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 18:25:41,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 18:25:41,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 18:25:41,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 18:25:41,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 18:25:41,121 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 18:25:41,121 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 18:25:41,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 18:25:41,415 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 18:25:41,418 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 18:25:41,420 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 18:25:41,420 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 18:25:41,421 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/id_o1000.c [2020-10-12 18:25:41,504 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/15df4e7a7/e4f220b4a2f24c52939d5f2230844bd3/FLAGf13c64567 [2020-10-12 18:25:42,002 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 18:25:42,003 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/id_o1000.c [2020-10-12 18:25:42,008 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/15df4e7a7/e4f220b4a2f24c52939d5f2230844bd3/FLAGf13c64567 [2020-10-12 18:25:42,386 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/15df4e7a7/e4f220b4a2f24c52939d5f2230844bd3 [2020-10-12 18:25:42,395 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 18:25:42,396 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 18:25:42,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 18:25:42,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 18:25:42,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 18:25:42,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 06:25:42" (1/1) ... [2020-10-12 18:25:42,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e7f3ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:25:42, skipping insertion in model container [2020-10-12 18:25:42,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 06:25:42" (1/1) ... [2020-10-12 18:25:42,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 18:25:42,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 18:25:42,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 18:25:42,596 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 18:25:42,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 18:25:42,628 INFO L208 MainTranslator]: Completed translation [2020-10-12 18:25:42,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:25:42 WrapperNode [2020-10-12 18:25:42,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 18:25:42,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 18:25:42,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 18:25:42,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 18:25:42,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:25:42" (1/1) ... [2020-10-12 18:25:42,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:25:42" (1/1) ... [2020-10-12 18:25:42,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:25:42" (1/1) ... [2020-10-12 18:25:42,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:25:42" (1/1) ... [2020-10-12 18:25:42,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:25:42" (1/1) ... [2020-10-12 18:25:42,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:25:42" (1/1) ... [2020-10-12 18:25:42,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:25:42" (1/1) ... [2020-10-12 18:25:42,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 18:25:42,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 18:25:42,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 18:25:42,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 18:25:42,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:25:42" (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 [2020-10-12 18:25:42,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 18:25:42,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 18:25:42,794 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2020-10-12 18:25:42,794 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 18:25:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-12 18:25:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 18:25:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure id [2020-10-12 18:25:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 18:25:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 18:25:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 18:25:42,946 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 18:25:42,946 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-12 18:25:42,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:25:42 BoogieIcfgContainer [2020-10-12 18:25:42,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 18:25:42,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 18:25:42,951 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 18:25:42,954 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 18:25:42,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 06:25:42" (1/3) ... [2020-10-12 18:25:42,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a30d854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 06:25:42, skipping insertion in model container [2020-10-12 18:25:42,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:25:42" (2/3) ... [2020-10-12 18:25:42,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a30d854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 06:25:42, skipping insertion in model container [2020-10-12 18:25:42,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:25:42" (3/3) ... [2020-10-12 18:25:42,958 INFO L109 eAbstractionObserver]: Analyzing ICFG id_o1000.c [2020-10-12 18:25:42,966 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 18:25:42,973 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 18:25:42,987 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 18:25:43,010 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 18:25:43,011 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 18:25:43,011 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 18:25:43,011 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 18:25:43,011 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 18:25:43,011 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 18:25:43,012 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 18:25:43,012 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 18:25:43,027 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-10-12 18:25:43,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-12 18:25:43,033 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:25:43,034 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:25:43,034 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:25:43,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:25:43,039 INFO L82 PathProgramCache]: Analyzing trace with hash -872342019, now seen corresponding path program 1 times [2020-10-12 18:25:43,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:25:43,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [867095932] [2020-10-12 18:25:43,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:25:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:43,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:43,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:43,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 18:25:43,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:43,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-12 18:25:43,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:43,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:25:43,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 18:25:43,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:25:43,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:25:43,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:25:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:43,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:43,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:43,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:25:43,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:43,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:25:43,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:43,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:25:43,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:43,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:25:43,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:43,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:25:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:43,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:43,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:43,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:25:43,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:43,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 18:25:43,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:43,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:25:43,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:43,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:25:43,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:25:43,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 18:25:43,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [867095932] [2020-10-12 18:25:43,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:25:43,459 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 18:25:43,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437461776] [2020-10-12 18:25:43,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 18:25:43,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:25:43,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 18:25:43,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 18:25:43,485 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 5 states. [2020-10-12 18:25:43,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:25:43,535 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2020-10-12 18:25:43,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 18:25:43,538 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-12 18:25:43,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:25:43,548 INFO L225 Difference]: With dead ends: 32 [2020-10-12 18:25:43,549 INFO L226 Difference]: Without dead ends: 18 [2020-10-12 18:25:43,552 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 18:25:43,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-10-12 18:25:43,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-10-12 18:25:43,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-10-12 18:25:43,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2020-10-12 18:25:43,597 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 13 [2020-10-12 18:25:43,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:25:43,597 INFO L479 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2020-10-12 18:25:43,598 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 18:25:43,598 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2020-10-12 18:25:43,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-12 18:25:43,600 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:25:43,600 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:25:43,601 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 18:25:43,601 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:25:43,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:25:43,601 INFO L82 PathProgramCache]: Analyzing trace with hash -953570577, now seen corresponding path program 1 times [2020-10-12 18:25:43,602 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:25:43,602 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [482550808] [2020-10-12 18:25:43,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:25:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:43,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:43,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:43,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 18:25:43,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:43,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-10-12 18:25:43,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:43,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 18:25:43,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 18:25:43,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:25:43,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:43,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:25:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:43,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:43,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:43,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:25:43,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:43,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:25:43,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:43,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:25:43,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:43,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:25:43,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:43,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:25:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:43,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:44,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:44,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:25:44,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:44,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-12 18:25:44,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:44,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:25:44,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:44,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:25:44,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:44,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:44,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:44,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:44,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:25:44,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:44,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 18:25:44,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:44,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:25:44,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:44,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:25:44,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:44,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-12 18:25:44,102 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [482550808] [2020-10-12 18:25:44,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:25:44,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 18:25:44,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47078920] [2020-10-12 18:25:44,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 18:25:44,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:25:44,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 18:25:44,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-12 18:25:44,106 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand 7 states. [2020-10-12 18:25:44,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:25:44,136 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2020-10-12 18:25:44,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 18:25:44,136 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-10-12 18:25:44,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:25:44,138 INFO L225 Difference]: With dead ends: 25 [2020-10-12 18:25:44,138 INFO L226 Difference]: Without dead ends: 21 [2020-10-12 18:25:44,139 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-12 18:25:44,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-12 18:25:44,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-10-12 18:25:44,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-12 18:25:44,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2020-10-12 18:25:44,146 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 19 [2020-10-12 18:25:44,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:25:44,147 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2020-10-12 18:25:44,147 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 18:25:44,147 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2020-10-12 18:25:44,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-12 18:25:44,148 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:25:44,149 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:25:44,149 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 18:25:44,149 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:25:44,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:25:44,150 INFO L82 PathProgramCache]: Analyzing trace with hash 397359997, now seen corresponding path program 2 times [2020-10-12 18:25:44,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:25:44,151 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [889822329] [2020-10-12 18:25:44,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:25:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:44,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:44,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:44,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-12 18:25:44,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:44,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-10-12 18:25:44,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:44,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:25:44,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 18:25:44,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:25:44,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:44,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:25:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:44,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:44,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:44,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:25:44,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:44,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:25:44,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:44,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:25:44,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:44,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:25:44,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:44,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:25:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:44,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:44,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:44,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 18:25:44,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:44,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-12 18:25:44,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:44,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:25:44,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:44,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:25:44,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:44,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:44,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:44,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:44,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:25:44,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:44,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 18:25:44,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:44,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:25:44,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:44,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:25:44,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:44,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:44,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:44,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:44,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:25:44,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:44,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 18:25:44,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:44,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:25:44,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:44,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:25:44,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:44,687 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-12 18:25:44,688 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [889822329] [2020-10-12 18:25:44,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:25:44,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-12 18:25:44,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414596553] [2020-10-12 18:25:44,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 18:25:44,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:25:44,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 18:25:44,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-12 18:25:44,690 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 9 states. [2020-10-12 18:25:44,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:25:44,730 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2020-10-12 18:25:44,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 18:25:44,731 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-10-12 18:25:44,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:25:44,732 INFO L225 Difference]: With dead ends: 28 [2020-10-12 18:25:44,733 INFO L226 Difference]: Without dead ends: 24 [2020-10-12 18:25:44,733 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-12 18:25:44,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-10-12 18:25:44,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-10-12 18:25:44,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-12 18:25:44,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2020-10-12 18:25:44,740 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 25 [2020-10-12 18:25:44,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:25:44,741 INFO L479 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2020-10-12 18:25:44,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 18:25:44,741 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2020-10-12 18:25:44,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-12 18:25:44,742 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:25:44,743 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:25:44,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 18:25:44,743 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:25:44,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:25:44,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1198310127, now seen corresponding path program 3 times [2020-10-12 18:25:44,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:25:44,744 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [890452970] [2020-10-12 18:25:44,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:25:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:44,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:44,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:44,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:25:44,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:44,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-12 18:25:44,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:44,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 18:25:44,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 18:25:44,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 18:25:44,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:44,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:25:44,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:44,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:44,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:44,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:25:44,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:44,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:25:44,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:44,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:25:44,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:44,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:25:44,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:44,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:25:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:44,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:45,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:45,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:25:45,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:45,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-12 18:25:45,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:45,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:25:45,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:45,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 18:25:45,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:45,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:45,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:45,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:45,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 18:25:45,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:45,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-12 18:25:45,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:45,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:25:45,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:45,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:25:45,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:45,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:45,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:45,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:45,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:45,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:25:45,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:45,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 18:25:45,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:45,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:25:45,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:45,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:25:45,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:45,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:45,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:45,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:45,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:25:45,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:45,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 18:25:45,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:45,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:25:45,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:45,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:25:45,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:45,354 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-12 18:25:45,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [890452970] [2020-10-12 18:25:45,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:25:45,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-12 18:25:45,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135546615] [2020-10-12 18:25:45,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 18:25:45,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:25:45,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 18:25:45,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-10-12 18:25:45,357 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 11 states. [2020-10-12 18:25:45,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:25:45,415 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2020-10-12 18:25:45,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 18:25:45,416 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 31 [2020-10-12 18:25:45,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:25:45,417 INFO L225 Difference]: With dead ends: 31 [2020-10-12 18:25:45,417 INFO L226 Difference]: Without dead ends: 27 [2020-10-12 18:25:45,418 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-10-12 18:25:45,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-12 18:25:45,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-12 18:25:45,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-12 18:25:45,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2020-10-12 18:25:45,425 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 31 [2020-10-12 18:25:45,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:25:45,425 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2020-10-12 18:25:45,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 18:25:45,426 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2020-10-12 18:25:45,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-12 18:25:45,427 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:25:45,427 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:25:45,428 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 18:25:45,428 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:25:45,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:25:45,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1080764669, now seen corresponding path program 4 times [2020-10-12 18:25:45,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:25:45,429 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [74326488] [2020-10-12 18:25:45,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:25:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:45,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:45,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:45,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-12 18:25:45,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:45,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 206 [2020-10-12 18:25:45,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:45,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:25:45,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-12 18:25:45,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 18:25:45,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:45,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:25:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:45,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:45,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:45,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:25:45,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:45,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:25:45,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:45,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:25:45,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:45,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:25:45,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:45,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:25:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:45,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:45,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:45,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 18:25:45,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:45,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-12 18:25:45,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:45,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:25:45,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:45,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 18:25:45,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:45,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:45,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:46,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:46,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:25:46,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:46,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-12 18:25:46,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:46,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:25:46,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:46,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 18:25:46,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:46,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:46,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:46,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:46,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 18:25:46,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:46,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-12 18:25:46,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:46,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:25:46,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:46,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:25:46,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:46,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:46,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:46,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:46,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:25:46,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:46,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 18:25:46,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:46,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:25:46,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:46,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:25:46,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:46,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:46,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:46,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:46,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:25:46,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:46,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 18:25:46,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:46,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:25:46,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:46,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:25:46,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:46,295 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-12 18:25:46,296 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [74326488] [2020-10-12 18:25:46,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:25:46,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 18:25:46,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052118345] [2020-10-12 18:25:46,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 18:25:46,297 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:25:46,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 18:25:46,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-10-12 18:25:46,298 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 13 states. [2020-10-12 18:25:46,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:25:46,376 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2020-10-12 18:25:46,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 18:25:46,377 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 37 [2020-10-12 18:25:46,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:25:46,378 INFO L225 Difference]: With dead ends: 34 [2020-10-12 18:25:46,378 INFO L226 Difference]: Without dead ends: 30 [2020-10-12 18:25:46,379 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-10-12 18:25:46,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-12 18:25:46,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-12 18:25:46,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-12 18:25:46,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2020-10-12 18:25:46,386 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 37 [2020-10-12 18:25:46,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:25:46,386 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2020-10-12 18:25:46,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 18:25:46,387 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2020-10-12 18:25:46,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-12 18:25:46,388 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:25:46,388 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:25:46,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 18:25:46,389 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:25:46,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:25:46,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1752970513, now seen corresponding path program 5 times [2020-10-12 18:25:46,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:25:46,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1758899805] [2020-10-12 18:25:46,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:25:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:46,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:46,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:46,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 18:25:46,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:46,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 264 [2020-10-12 18:25:46,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:46,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 18:25:46,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-12 18:25:46,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 18:25:46,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:46,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:25:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:46,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:46,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:46,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:25:46,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:46,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:25:46,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:46,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:25:46,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:46,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:25:46,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:46,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:25:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:46,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:46,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:46,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 18:25:46,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:46,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 218 [2020-10-12 18:25:46,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:46,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:25:46,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:46,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 18:25:46,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:46,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:47,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:47,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:47,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 18:25:47,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:47,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-12 18:25:47,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:47,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:25:47,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:47,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 18:25:47,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:47,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:47,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:47,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:47,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:25:47,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:47,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-12 18:25:47,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:47,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:25:47,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:47,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 18:25:47,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 24 [2020-10-12 18:25:47,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:47,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:47,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:47,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 18:25:47,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:47,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-12 18:25:47,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:47,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:25:47,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:47,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:25:47,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:47,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:47,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:47,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:47,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:25:47,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:47,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 18:25:47,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:47,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:25:47,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:47,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:25:47,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:47,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:47,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:47,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:47,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:25:47,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:47,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 18:25:47,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:47,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:25:47,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:47,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:25:47,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:47,665 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-12 18:25:47,666 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1758899805] [2020-10-12 18:25:47,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:25:47,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-12 18:25:47,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024912438] [2020-10-12 18:25:47,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 18:25:47,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:25:47,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 18:25:47,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2020-10-12 18:25:47,670 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 15 states. [2020-10-12 18:25:47,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:25:47,787 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2020-10-12 18:25:47,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 18:25:47,788 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 43 [2020-10-12 18:25:47,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:25:47,791 INFO L225 Difference]: With dead ends: 37 [2020-10-12 18:25:47,791 INFO L226 Difference]: Without dead ends: 33 [2020-10-12 18:25:47,792 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2020-10-12 18:25:47,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-12 18:25:47,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-12 18:25:47,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-12 18:25:47,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2020-10-12 18:25:47,799 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 43 [2020-10-12 18:25:47,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:25:47,800 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2020-10-12 18:25:47,800 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 18:25:47,800 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2020-10-12 18:25:47,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-12 18:25:47,802 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:25:47,802 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:25:47,802 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 18:25:47,802 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:25:47,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:25:47,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1590630787, now seen corresponding path program 6 times [2020-10-12 18:25:47,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:25:47,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1841761363] [2020-10-12 18:25:47,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:25:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:47,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:48,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:48,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-12 18:25:48,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:48,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 351 [2020-10-12 18:25:48,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:48,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 18:25:48,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-12 18:25:48,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 18:25:48,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:48,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:25:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:48,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:48,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:48,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:25:48,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:48,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:25:48,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:48,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:25:48,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:48,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:25:48,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:48,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:25:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:48,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:48,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:48,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 18:25:48,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:48,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 293 [2020-10-12 18:25:48,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:48,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:25:48,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:48,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 18:25:48,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:48,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:48,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:48,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:48,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 18:25:48,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:48,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-10-12 18:25:48,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:48,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:25:48,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:48,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 18:25:48,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:48,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:48,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:49,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:49,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 18:25:49,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:49,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-12 18:25:49,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:49,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:25:49,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:49,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 18:25:49,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:49,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:49,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:49,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:49,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:25:49,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:49,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-12 18:25:49,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:49,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:25:49,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:49,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 18:25:49,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:49,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:49,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:49,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:49,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 18:25:49,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:49,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-12 18:25:49,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:49,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:25:49,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:49,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:25:49,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:49,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:49,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:49,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:49,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:25:49,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:49,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 18:25:49,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:49,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:25:49,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:49,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:25:49,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:49,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:49,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:49,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:49,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:49,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:25:49,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:49,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:25:49,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:49,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:25:49,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:49,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:25:49,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:49,443 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-10-12 18:25:49,444 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1841761363] [2020-10-12 18:25:49,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:25:49,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-12 18:25:49,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684684635] [2020-10-12 18:25:49,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-12 18:25:49,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:25:49,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-12 18:25:49,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2020-10-12 18:25:49,446 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 17 states. [2020-10-12 18:25:49,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:25:49,582 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2020-10-12 18:25:49,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-12 18:25:49,582 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 49 [2020-10-12 18:25:49,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:25:49,584 INFO L225 Difference]: With dead ends: 40 [2020-10-12 18:25:49,584 INFO L226 Difference]: Without dead ends: 36 [2020-10-12 18:25:49,585 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2020-10-12 18:25:49,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-10-12 18:25:49,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-10-12 18:25:49,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-12 18:25:49,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2020-10-12 18:25:49,591 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 49 [2020-10-12 18:25:49,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:25:49,591 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2020-10-12 18:25:49,592 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-12 18:25:49,592 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2020-10-12 18:25:49,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-12 18:25:49,593 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:25:49,593 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:25:49,593 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 18:25:49,593 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:25:49,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:25:49,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1532150511, now seen corresponding path program 7 times [2020-10-12 18:25:49,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:25:49,594 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1662273976] [2020-10-12 18:25:49,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:25:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:49,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:50,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:50,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-12 18:25:50,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:50,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 487 [2020-10-12 18:25:50,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:50,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-12 18:25:50,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-12 18:25:50,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 18:25:50,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:50,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:25:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:50,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:50,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:50,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:25:50,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:50,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:25:50,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:50,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:25:50,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:50,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:25:50,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:50,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:25:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:50,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:50,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:50,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-12 18:25:50,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:50,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 412 [2020-10-12 18:25:50,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:50,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:25:50,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:50,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:25:50,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:50,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:50,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:50,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:50,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 18:25:50,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:50,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-10-12 18:25:50,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:50,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:25:50,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:50,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 18:25:50,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:50,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:50,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:51,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:51,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 18:25:51,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:51,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 206 [2020-10-12 18:25:51,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:51,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:25:51,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:51,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 18:25:51,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:51,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:51,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:51,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:51,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 18:25:51,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:51,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-12 18:25:51,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:51,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:25:51,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:51,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 18:25:51,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:51,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:51,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:51,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:51,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:25:51,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:51,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-12 18:25:51,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:51,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:25:51,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:51,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 18:25:51,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:51,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:51,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:51,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:51,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 18:25:51,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:51,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-12 18:25:51,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:51,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:25:51,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:51,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:25:51,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:51,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:51,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:51,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:51,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:25:51,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:51,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 18:25:51,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:51,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:25:51,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:51,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:25:51,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:51,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:51,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:51,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:51,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:25:51,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:51,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 18:25:51,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:51,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:25:51,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:51,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:25:51,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:51,852 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-12 18:25:51,853 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1662273976] [2020-10-12 18:25:51,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:25:51,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-12 18:25:51,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715163404] [2020-10-12 18:25:51,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 18:25:51,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:25:51,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 18:25:51,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2020-10-12 18:25:51,855 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand 19 states. [2020-10-12 18:25:52,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:25:52,036 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2020-10-12 18:25:52,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-12 18:25:52,037 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 55 [2020-10-12 18:25:52,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:25:52,038 INFO L225 Difference]: With dead ends: 43 [2020-10-12 18:25:52,039 INFO L226 Difference]: Without dead ends: 39 [2020-10-12 18:25:52,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2020-10-12 18:25:52,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-12 18:25:52,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-10-12 18:25:52,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-12 18:25:52,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2020-10-12 18:25:52,046 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 55 [2020-10-12 18:25:52,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:25:52,046 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2020-10-12 18:25:52,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 18:25:52,047 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2020-10-12 18:25:52,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-12 18:25:52,048 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:25:52,048 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:25:52,048 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 18:25:52,048 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:25:52,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:25:52,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1140618237, now seen corresponding path program 8 times [2020-10-12 18:25:52,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:25:52,049 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1189001747] [2020-10-12 18:25:52,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:25:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:52,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:52,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:52,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 18:25:52,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:52,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 548 [2020-10-12 18:25:52,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:52,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-12 18:25:52,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-12 18:25:52,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 18:25:52,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:52,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:25:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:52,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:52,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:52,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:25:52,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:52,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:25:52,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:52,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:25:52,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:52,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:25:52,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:52,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:25:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:52,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:53,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:53,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 18:25:53,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:53,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 521 [2020-10-12 18:25:53,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:53,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:25:53,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:53,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 18:25:53,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:53,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:53,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:53,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:53,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-12 18:25:53,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:53,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 403 [2020-10-12 18:25:53,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:53,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:25:53,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:53,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:25:53,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:53,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:53,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:54,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:54,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 18:25:54,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:54,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 338 [2020-10-12 18:25:54,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:54,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:25:54,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:54,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 18:25:54,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:54,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:54,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:54,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:54,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 18:25:54,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:54,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-10-12 18:25:54,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:54,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:25:54,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:54,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 18:25:54,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:54,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:54,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:54,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:54,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 18:25:54,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:54,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-10-12 18:25:54,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:54,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:25:54,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:54,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 18:25:54,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:25:54,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:54,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:54,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:54,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:25:54,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:54,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-12 18:25:54,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:54,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:25:54,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:54,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 18:25:54,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:54,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:54,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:54,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:54,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:54,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 18:25:54,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:54,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 18:25:54,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:54,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:25:54,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:54,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:25:54,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:54,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:54,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:54,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:54,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:25:54,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:54,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 18:25:54,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:54,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:25:54,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:54,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:25:54,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:55,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:55,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:55,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:55,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:25:55,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:55,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:25:55,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:55,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:25:55,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:55,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:25:55,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:55,145 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-12 18:25:55,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1189001747] [2020-10-12 18:25:55,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:25:55,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-12 18:25:55,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005854128] [2020-10-12 18:25:55,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-12 18:25:55,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:25:55,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-12 18:25:55,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2020-10-12 18:25:55,154 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 21 states. [2020-10-12 18:25:55,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:25:55,367 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2020-10-12 18:25:55,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-12 18:25:55,368 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 61 [2020-10-12 18:25:55,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:25:55,369 INFO L225 Difference]: With dead ends: 46 [2020-10-12 18:25:55,369 INFO L226 Difference]: Without dead ends: 42 [2020-10-12 18:25:55,372 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2020-10-12 18:25:55,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-12 18:25:55,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-10-12 18:25:55,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-12 18:25:55,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2020-10-12 18:25:55,382 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 61 [2020-10-12 18:25:55,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:25:55,383 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2020-10-12 18:25:55,383 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-12 18:25:55,383 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2020-10-12 18:25:55,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-12 18:25:55,385 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:25:55,385 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:25:55,386 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 18:25:55,386 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:25:55,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:25:55,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1749177617, now seen corresponding path program 9 times [2020-10-12 18:25:55,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:25:55,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [142566073] [2020-10-12 18:25:55,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:25:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:55,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:56,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:56,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-12 18:25:56,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:56,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 701 [2020-10-12 18:25:56,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:56,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-12 18:25:56,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-12 18:25:56,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-12 18:25:56,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:56,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:25:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:56,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:56,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:56,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:25:56,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:56,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:25:56,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:56,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:25:56,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:56,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:25:56,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:56,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:25:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:56,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:56,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:56,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:25:56,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:56,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 541 [2020-10-12 18:25:56,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:56,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:25:56,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:56,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 18:25:56,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:56,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:56,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:57,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:57,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 18:25:57,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:57,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 406 [2020-10-12 18:25:57,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:57,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:25:57,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:57,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 18:25:57,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:57,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:57,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:57,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:57,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-12 18:25:57,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:57,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 312 [2020-10-12 18:25:57,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:57,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:25:57,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:57,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:25:57,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:57,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:57,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:57,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:57,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 18:25:57,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:57,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-12 18:25:57,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:57,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:25:57,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:57,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 18:25:57,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:57,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:57,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:58,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:58,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 18:25:58,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:58,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-10-12 18:25:58,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:58,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:25:58,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:58,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 18:25:58,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:58,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:58,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:58,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:58,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 18:25:58,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:58,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-12 18:25:58,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:58,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:25:58,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:58,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 18:25:58,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:58,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:58,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:58,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:58,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:25:58,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:58,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-12 18:25:58,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:58,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:25:58,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:58,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 18:25:58,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:58,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:58,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:58,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:58,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 18:25:58,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:58,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 18:25:58,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:58,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:25:58,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:58,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:25:58,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:58,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:58,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:58,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:58,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:25:58,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:58,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 18:25:58,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:58,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:25:58,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:58,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:25:58,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:58,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:25:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:58,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:58,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:58,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:25:58,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:58,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 18:25:58,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:58,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:25:58,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:58,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:25:58,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:58,733 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-12 18:25:58,734 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [142566073] [2020-10-12 18:25:58,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:25:58,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 18:25:58,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153379020] [2020-10-12 18:25:58,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 18:25:58,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:25:58,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 18:25:58,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2020-10-12 18:25:58,737 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 23 states. [2020-10-12 18:25:59,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:25:59,007 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2020-10-12 18:25:59,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-12 18:25:59,007 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 67 [2020-10-12 18:25:59,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:25:59,009 INFO L225 Difference]: With dead ends: 49 [2020-10-12 18:25:59,009 INFO L226 Difference]: Without dead ends: 45 [2020-10-12 18:25:59,010 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2020-10-12 18:25:59,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-12 18:25:59,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-10-12 18:25:59,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-12 18:25:59,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2020-10-12 18:25:59,019 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 67 [2020-10-12 18:25:59,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:25:59,019 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2020-10-12 18:25:59,020 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 18:25:59,020 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2020-10-12 18:25:59,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-12 18:25:59,021 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:25:59,021 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:25:59,021 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 18:25:59,021 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:25:59,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:25:59,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1580609155, now seen corresponding path program 10 times [2020-10-12 18:25:59,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:25:59,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1696651670] [2020-10-12 18:25:59,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:25:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:59,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:59,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:59,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-12 18:25:59,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:59,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 696 [2020-10-12 18:25:59,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:59,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-12 18:25:59,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-12 18:25:59,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 18:25:59,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:59,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:25:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:59,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:59,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:59,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:25:59,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:59,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:25:59,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:59,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:25:59,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:59,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:25:59,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:59,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:25:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:59,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:00,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:00,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 18:26:00,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:00,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 649 [2020-10-12 18:26:00,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:00,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:26:00,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:00,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 18:26:00,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:00,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:00,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:00,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:01,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:01,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:26:01,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:01,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 482 [2020-10-12 18:26:01,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:01,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:26:01,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:01,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 18:26:01,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:01,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:01,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:01,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:01,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 18:26:01,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:01,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 347 [2020-10-12 18:26:01,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:01,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:26:01,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:01,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 18:26:01,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:01,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:01,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:01,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:01,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-12 18:26:01,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:01,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-10-12 18:26:01,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:01,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:26:01,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:01,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:26:01,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:01,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:01,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:01,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:01,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 18:26:01,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:01,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-12 18:26:01,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:01,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:26:01,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:01,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 18:26:01,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:01,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:01,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:02,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:02,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 18:26:02,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:02,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-12 18:26:02,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:02,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:26:02,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:02,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 18:26:02,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:02,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:02,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:02,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:02,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 18:26:02,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:02,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-12 18:26:02,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:02,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:26:02,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:02,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 18:26:02,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:02,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:02,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:02,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:02,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:26:02,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:02,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-12 18:26:02,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:02,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:26:02,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:02,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 18:26:02,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:02,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:02,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:02,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:02,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 18:26:02,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:02,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 18:26:02,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:02,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:26:02,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:02,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:26:02,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:02,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:02,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:02,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:02,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:26:02,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:02,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 18:26:02,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:02,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:26:02,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:02,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:26:02,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:02,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:02,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:02,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:02,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:26:02,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:02,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:26:02,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:02,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:26:02,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:02,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:26:02,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:02,716 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-10-12 18:26:02,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1696651670] [2020-10-12 18:26:02,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:26:02,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-12 18:26:02,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367036785] [2020-10-12 18:26:02,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-12 18:26:02,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:26:02,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-12 18:26:02,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=553, Unknown=0, NotChecked=0, Total=600 [2020-10-12 18:26:02,721 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 25 states. [2020-10-12 18:26:02,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:26:02,972 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2020-10-12 18:26:02,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-12 18:26:02,973 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 73 [2020-10-12 18:26:02,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:26:02,974 INFO L225 Difference]: With dead ends: 52 [2020-10-12 18:26:02,974 INFO L226 Difference]: Without dead ends: 48 [2020-10-12 18:26:02,975 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=553, Unknown=0, NotChecked=0, Total=600 [2020-10-12 18:26:02,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-12 18:26:02,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-10-12 18:26:02,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-12 18:26:02,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 49 transitions. [2020-10-12 18:26:02,989 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 49 transitions. Word has length 73 [2020-10-12 18:26:02,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:26:02,989 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 49 transitions. [2020-10-12 18:26:02,989 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-12 18:26:02,989 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2020-10-12 18:26:02,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-12 18:26:02,992 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:26:02,992 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:26:02,993 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 18:26:02,993 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:26:02,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:26:02,993 INFO L82 PathProgramCache]: Analyzing trace with hash -223837457, now seen corresponding path program 11 times [2020-10-12 18:26:02,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:26:02,994 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1149844439] [2020-10-12 18:26:02,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:26:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:03,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:03,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:03,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-12 18:26:03,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:03,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 772 [2020-10-12 18:26:03,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:03,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-12 18:26:03,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-12 18:26:03,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-12 18:26:03,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:03,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:26:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:03,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:03,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:03,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:26:03,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:03,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:26:03,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:03,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:26:03,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:03,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:26:03,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:03,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:26:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:03,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:04,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:04,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-12 18:26:04,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:04,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 696 [2020-10-12 18:26:04,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:04,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:26:04,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:04,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-12 18:26:04,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:04,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:04,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:05,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:05,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 18:26:05,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:05,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 631 [2020-10-12 18:26:05,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:05,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:26:05,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:05,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 18:26:05,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:05,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:05,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:05,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:05,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:26:05,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:05,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 411 [2020-10-12 18:26:05,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:05,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:26:05,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:05,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 18:26:05,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:05,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:05,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:06,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:06,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 18:26:06,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:06,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 314 [2020-10-12 18:26:06,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:06,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:26:06,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:06,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 18:26:06,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:06,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:06,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:06,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:06,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-12 18:26:06,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:06,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 252 [2020-10-12 18:26:06,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:06,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:26:06,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:06,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:26:06,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:06,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:06,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:06,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:06,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 18:26:06,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:06,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-12 18:26:06,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:06,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:26:06,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:06,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 18:26:06,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:06,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:06,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:06,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:06,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 18:26:06,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:06,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-12 18:26:06,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:06,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:26:06,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:06,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 18:26:06,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:06,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:06,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:06,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:06,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 18:26:06,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:06,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-12 18:26:06,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:06,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:26:06,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:06,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 18:26:06,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:06,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:07,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:07,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:07,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:26:07,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:07,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-12 18:26:07,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:07,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:26:07,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:07,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 18:26:07,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:07,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:07,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:07,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:07,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 18:26:07,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:07,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 18:26:07,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:07,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:26:07,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:07,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:26:07,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:07,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:07,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:07,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:07,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:26:07,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:07,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 18:26:07,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:07,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:26:07,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:07,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:26:07,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:26:07,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:07,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:07,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:07,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:26:07,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:07,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 18:26:07,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:07,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:26:07,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:07,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:26:07,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:26:07,533 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2020-10-12 18:26:07,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1149844439] [2020-10-12 18:26:07,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:26:07,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-12 18:26:07,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128203124] [2020-10-12 18:26:07,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-12 18:26:07,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:26:07,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-12 18:26:07,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2020-10-12 18:26:07,537 INFO L87 Difference]: Start difference. First operand 48 states and 49 transitions. Second operand 27 states. [2020-10-12 18:26:07,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:26:07,938 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2020-10-12 18:26:07,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-12 18:26:07,939 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 79 [2020-10-12 18:26:07,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:26:07,945 INFO L225 Difference]: With dead ends: 55 [2020-10-12 18:26:07,945 INFO L226 Difference]: Without dead ends: 51 [2020-10-12 18:26:07,948 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2020-10-12 18:26:07,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-12 18:26:07,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-10-12 18:26:07,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-12 18:26:07,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2020-10-12 18:26:07,958 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 79 [2020-10-12 18:26:07,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:26:07,960 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2020-10-12 18:26:07,960 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-12 18:26:07,960 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2020-10-12 18:26:07,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-12 18:26:07,968 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:26:07,968 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:26:07,968 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 18:26:07,969 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:26:07,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:26:07,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1653931773, now seen corresponding path program 12 times [2020-10-12 18:26:07,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:26:07,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2096712019] [2020-10-12 18:26:07,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:26:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:08,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:08,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:08,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 18:26:08,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:08,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 907 [2020-10-12 18:26:08,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:08,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-12 18:26:08,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-12 18:26:08,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 18:26:08,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:08,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:26:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:08,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:08,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:08,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:26:08,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:08,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:26:08,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:08,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:26:08,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:08,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:26:08,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:08,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:26:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:08,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:09,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:09,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-12 18:26:09,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:09,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 784 [2020-10-12 18:26:09,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:09,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:26:09,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:09,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 18:26:09,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:09,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:09,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:10,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:10,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-12 18:26:10,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:10,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 518 [2020-10-12 18:26:10,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:10,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:26:10,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:10,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-12 18:26:10,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:10,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:10,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:10,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:10,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 18:26:10,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:10,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 475 [2020-10-12 18:26:10,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:10,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:26:10,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:10,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 18:26:10,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:10,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:10,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:11,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:11,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:26:11,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:11,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 270 [2020-10-12 18:26:11,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:11,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:26:11,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:11,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 18:26:11,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:11,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:11,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:11,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:11,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 18:26:11,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:11,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-10-12 18:26:11,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:11,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:26:11,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:11,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 18:26:11,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:11,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:11,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:11,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:11,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-12 18:26:11,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:11,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-12 18:26:11,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:11,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:26:11,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:11,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:26:11,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:11,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:11,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:11,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:11,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 18:26:11,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:11,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-12 18:26:11,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:11,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:26:11,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:11,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 18:26:11,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:11,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:11,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:12,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:12,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 18:26:12,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:12,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-12 18:26:12,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:12,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:26:12,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:12,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 18:26:12,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:12,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:12,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:12,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:12,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 18:26:12,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:12,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-12 18:26:12,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:12,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:26:12,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:12,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 18:26:12,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:12,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:12,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:12,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:12,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:26:12,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:12,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 18:26:12,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:12,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:26:12,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:12,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 18:26:12,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:12,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:12,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:12,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:12,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 18:26:12,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:12,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 18:26:12,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:12,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:26:12,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:12,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:26:12,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:12,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:12,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:12,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:12,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:26:12,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:12,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:26:12,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:12,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:26:12,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:12,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:26:12,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:12,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:12,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:12,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:12,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:26:12,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:12,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:26:12,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:12,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:26:12,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:12,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:26:12,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:12,632 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2020-10-12 18:26:12,632 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2096712019] [2020-10-12 18:26:12,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:26:12,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-12 18:26:12,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994013486] [2020-10-12 18:26:12,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-12 18:26:12,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:26:12,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-12 18:26:12,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=757, Unknown=0, NotChecked=0, Total=812 [2020-10-12 18:26:12,634 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 29 states. [2020-10-12 18:26:12,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:26:12,979 INFO L93 Difference]: Finished difference Result 58 states and 59 transitions. [2020-10-12 18:26:12,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-12 18:26:12,980 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 85 [2020-10-12 18:26:12,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:26:12,982 INFO L225 Difference]: With dead ends: 58 [2020-10-12 18:26:12,982 INFO L226 Difference]: Without dead ends: 54 [2020-10-12 18:26:12,984 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=55, Invalid=757, Unknown=0, NotChecked=0, Total=812 [2020-10-12 18:26:12,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-12 18:26:12,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-10-12 18:26:12,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-12 18:26:12,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 55 transitions. [2020-10-12 18:26:12,991 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 55 transitions. Word has length 85 [2020-10-12 18:26:12,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:26:12,992 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 55 transitions. [2020-10-12 18:26:12,992 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-12 18:26:12,992 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2020-10-12 18:26:12,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-12 18:26:12,993 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:26:12,993 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:26:12,993 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 18:26:12,993 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:26:12,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:26:12,994 INFO L82 PathProgramCache]: Analyzing trace with hash -218674449, now seen corresponding path program 13 times [2020-10-12 18:26:12,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:26:12,994 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1256192530] [2020-10-12 18:26:12,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:26:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:13,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:13,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:13,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-12 18:26:13,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:13,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 703 [2020-10-12 18:26:13,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:13,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-12 18:26:13,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-12 18:26:13,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 18:26:13,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:13,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:26:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:13,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:13,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:13,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:26:13,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:13,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:26:13,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:13,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:26:13,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:13,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:26:13,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:13,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:26:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:13,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:14,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:14,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-12 18:26:14,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:14,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 583 [2020-10-12 18:26:14,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:14,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:26:14,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:14,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-12 18:26:14,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:14,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:14,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:14,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:14,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-12 18:26:14,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:14,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 456 [2020-10-12 18:26:14,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:14,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:26:14,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:14,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 18:26:14,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:14,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:14,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:15,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:15,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-12 18:26:15,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:15,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 453 [2020-10-12 18:26:15,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:15,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:26:15,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:15,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-12 18:26:15,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:15,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:15,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:15,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:15,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 18:26:15,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:15,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 328 [2020-10-12 18:26:15,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:15,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:26:15,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:15,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 18:26:15,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:15,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:15,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:16,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:16,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:26:16,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:16,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-10-12 18:26:16,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:16,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:26:16,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:16,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 18:26:16,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:16,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:16,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:16,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:16,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 18:26:16,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:16,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 273 [2020-10-12 18:26:16,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:16,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:26:16,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:16,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 18:26:16,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:16,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:16,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:16,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:16,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-12 18:26:16,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:16,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 238 [2020-10-12 18:26:16,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:16,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:26:16,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:16,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:26:16,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:16,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:16,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:16,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:16,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 18:26:16,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:16,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-12 18:26:16,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:16,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:26:16,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:16,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 18:26:16,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:16,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:16,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:16,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:16,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 18:26:16,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:16,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-12 18:26:16,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:16,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:26:16,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:16,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 18:26:16,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:16,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:17,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:17,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:17,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 18:26:17,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:17,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 18:26:17,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:17,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:26:17,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:17,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 18:26:17,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:17,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:17,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:17,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:17,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:26:17,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:17,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 18:26:17,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:17,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:26:17,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:17,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 18:26:17,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:17,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:17,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:17,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:17,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 18:26:17,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:17,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 18:26:17,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:17,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:26:17,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:17,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:26:17,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:17,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:17,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:17,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:17,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:26:17,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:17,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 18:26:17,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:17,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:26:17,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:17,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:26:17,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:17,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:17,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:17,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:17,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:26:17,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:17,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:26:17,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:17,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:26:17,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:17,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:26:17,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:17,508 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2020-10-12 18:26:17,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1256192530] [2020-10-12 18:26:17,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:26:17,508 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-12 18:26:17,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414068393] [2020-10-12 18:26:17,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-12 18:26:17,509 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:26:17,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-12 18:26:17,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=871, Unknown=0, NotChecked=0, Total=930 [2020-10-12 18:26:17,510 INFO L87 Difference]: Start difference. First operand 54 states and 55 transitions. Second operand 31 states. [2020-10-12 18:26:17,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:26:17,954 INFO L93 Difference]: Finished difference Result 61 states and 62 transitions. [2020-10-12 18:26:17,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-12 18:26:17,954 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 91 [2020-10-12 18:26:17,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:26:17,956 INFO L225 Difference]: With dead ends: 61 [2020-10-12 18:26:17,956 INFO L226 Difference]: Without dead ends: 57 [2020-10-12 18:26:17,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=59, Invalid=871, Unknown=0, NotChecked=0, Total=930 [2020-10-12 18:26:17,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-12 18:26:17,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-10-12 18:26:17,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-12 18:26:17,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 58 transitions. [2020-10-12 18:26:17,962 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 58 transitions. Word has length 91 [2020-10-12 18:26:17,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:26:17,963 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 58 transitions. [2020-10-12 18:26:17,963 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-12 18:26:17,963 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2020-10-12 18:26:17,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-12 18:26:17,964 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:26:17,964 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:26:17,965 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 18:26:17,965 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:26:17,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:26:17,965 INFO L82 PathProgramCache]: Analyzing trace with hash 492436605, now seen corresponding path program 14 times [2020-10-12 18:26:17,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:26:17,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1449068324] [2020-10-12 18:26:17,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:26:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:17,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:19,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:19,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 18:26:19,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:19,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1238 [2020-10-12 18:26:19,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:19,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-12 18:26:19,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-12 18:26:19,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 18:26:19,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:19,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:26:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:19,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:19,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:19,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:26:19,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:19,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:26:19,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:19,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:26:19,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:19,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:26:19,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:19,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:26:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:19,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:20,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:20,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-12 18:26:20,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:20,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 902 [2020-10-12 18:26:20,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:20,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:26:20,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:20,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 18:26:20,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:20,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:20,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:20,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:20,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-12 18:26:20,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:20,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 594 [2020-10-12 18:26:20,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:20,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:26:20,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:20,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-12 18:26:20,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:20,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:20,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:21,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:21,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-12 18:26:21,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:21,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 491 [2020-10-12 18:26:21,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:21,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:26:21,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:21,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 18:26:21,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:21,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:21,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:21,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:21,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-12 18:26:21,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:21,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 438 [2020-10-12 18:26:21,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:21,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:26:21,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:21,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-12 18:26:21,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:21,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:21,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:22,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:22,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 18:26:22,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:22,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 310 [2020-10-12 18:26:22,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:22,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:26:22,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:22,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 18:26:22,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:22,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:22,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:22,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:22,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:26:22,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:22,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 524 [2020-10-12 18:26:22,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:22,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:26:22,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:22,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 18:26:22,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:22,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:22,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:23,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:23,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 18:26:23,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:23,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 409 [2020-10-12 18:26:23,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:23,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:26:23,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:23,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 18:26:23,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:23,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:23,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:23,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:23,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-12 18:26:23,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:23,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 271 [2020-10-12 18:26:23,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:23,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:26:23,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:23,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:26:23,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:23,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:23,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:23,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:23,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 18:26:23,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:23,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-12 18:26:23,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:23,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:26:23,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:23,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 18:26:23,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:23,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:23,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:23,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:23,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:23,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 18:26:23,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:23,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-12 18:26:23,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:23,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:26:23,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:23,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 18:26:23,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:23,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:24,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:24,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:24,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 18:26:24,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:24,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 18:26:24,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:24,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:26:24,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:24,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 18:26:24,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:24,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:24,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:24,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:24,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:26:24,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:24,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-12 18:26:24,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:24,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:26:24,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:24,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 18:26:24,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:26:24,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:24,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:24,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:24,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 18:26:24,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:24,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 18:26:24,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:24,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:26:24,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:24,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:26:24,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:24,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:24,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:24,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:24,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:26:24,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:24,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 18:26:24,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:24,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:26:24,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:24,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:26:24,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:26:24,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:24,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:24,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:24,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:24,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:26:24,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:24,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:26:24,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:24,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:26:24,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:24,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:26:24,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:26:24,690 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2020-10-12 18:26:24,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1449068324] [2020-10-12 18:26:24,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:26:24,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-12 18:26:24,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929894548] [2020-10-12 18:26:24,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-12 18:26:24,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:26:24,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-12 18:26:24,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=993, Unknown=0, NotChecked=0, Total=1056 [2020-10-12 18:26:24,696 INFO L87 Difference]: Start difference. First operand 57 states and 58 transitions. Second operand 33 states. [2020-10-12 18:26:25,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:26:25,135 INFO L93 Difference]: Finished difference Result 64 states and 65 transitions. [2020-10-12 18:26:25,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-12 18:26:25,135 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 97 [2020-10-12 18:26:25,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:26:25,136 INFO L225 Difference]: With dead ends: 64 [2020-10-12 18:26:25,136 INFO L226 Difference]: Without dead ends: 60 [2020-10-12 18:26:25,138 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=63, Invalid=993, Unknown=0, NotChecked=0, Total=1056 [2020-10-12 18:26:25,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-12 18:26:25,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-10-12 18:26:25,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-12 18:26:25,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2020-10-12 18:26:25,143 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 97 [2020-10-12 18:26:25,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:26:25,143 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2020-10-12 18:26:25,144 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-12 18:26:25,144 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2020-10-12 18:26:25,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-12 18:26:25,145 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:26:25,145 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:26:25,145 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 18:26:25,145 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:26:25,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:26:25,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1083048687, now seen corresponding path program 15 times [2020-10-12 18:26:25,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:26:25,146 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [317043879] [2020-10-12 18:26:25,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:26:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:25,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:26,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:26,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-12 18:26:26,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:26,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 987 [2020-10-12 18:26:26,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:26,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-12 18:26:26,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-12 18:26:26,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-12 18:26:26,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:26,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:26:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:26,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:26,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:26,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:26:26,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:26,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:26:26,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:26,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:26:26,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:26,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:26:26,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:26,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:26:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:26,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:27,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:27,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 18:26:27,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:27,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 905 [2020-10-12 18:26:27,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:27,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 18:26:27,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:27,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 18:26:27,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:27,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:27,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:27,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:27,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:27,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-12 18:26:27,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:27,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 750 [2020-10-12 18:26:27,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:27,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:26:27,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:27,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 18:26:27,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:27,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:27,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:29,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:29,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-12 18:26:29,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:29,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1081 [2020-10-12 18:26:29,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:29,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:26:29,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:29,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-12 18:26:29,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:29,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:29,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:29,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:29,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-12 18:26:29,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:29,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 505 [2020-10-12 18:26:29,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:29,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:26:29,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:29,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 18:26:29,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:29,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:29,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:30,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-12 18:26:30,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:30,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 381 [2020-10-12 18:26:30,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:30,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:26:30,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:30,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-12 18:26:30,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:30,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:30,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:30,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 18:26:30,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:30,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-10-12 18:26:30,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:30,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:26:30,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:30,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 18:26:30,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:30,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:30,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:30,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:26:30,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:30,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 442 [2020-10-12 18:26:30,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:30,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:26:30,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:30,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 18:26:30,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:30,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:30,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:31,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:31,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 18:26:31,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:31,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-10-12 18:26:31,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:31,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:26:31,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:31,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 18:26:31,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:31,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:31,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:31,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:31,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-12 18:26:31,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:31,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-12 18:26:31,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:31,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:26:31,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:31,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:26:31,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:31,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:31,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:31,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:31,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 18:26:31,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:31,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-12 18:26:31,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:31,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:26:31,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:31,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 18:26:31,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:31,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:31,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:31,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:31,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 18:26:31,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:31,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-12 18:26:31,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:31,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:26:31,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:31,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 18:26:31,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:31,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:31,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:31,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:31,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 18:26:31,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:31,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 18:26:31,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:31,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:26:31,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:31,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 18:26:31,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:31,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:31,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:31,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:31,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:26:31,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:31,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 18:26:31,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:31,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:26:31,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:31,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 18:26:31,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:31,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:31,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:31,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:31,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 18:26:31,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:31,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 18:26:31,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:31,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:26:31,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:31,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:26:31,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:32,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:32,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:32,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:32,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:26:32,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:32,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:26:32,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:32,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:26:32,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:32,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:26:32,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:32,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:32,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:32,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:32,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:26:32,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:32,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:26:32,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:32,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:26:32,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:32,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:26:32,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:32,218 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2020-10-12 18:26:32,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [317043879] [2020-10-12 18:26:32,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:26:32,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-12 18:26:32,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147924611] [2020-10-12 18:26:32,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-12 18:26:32,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:26:32,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-12 18:26:32,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=1123, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 18:26:32,221 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 35 states. [2020-10-12 18:26:32,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:26:32,718 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2020-10-12 18:26:32,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-12 18:26:32,723 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 103 [2020-10-12 18:26:32,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:26:32,726 INFO L225 Difference]: With dead ends: 67 [2020-10-12 18:26:32,726 INFO L226 Difference]: Without dead ends: 63 [2020-10-12 18:26:32,728 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=67, Invalid=1123, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 18:26:32,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-12 18:26:32,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-10-12 18:26:32,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-12 18:26:32,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 64 transitions. [2020-10-12 18:26:32,737 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 64 transitions. Word has length 103 [2020-10-12 18:26:32,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:26:32,740 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 64 transitions. [2020-10-12 18:26:32,740 INFO L480 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-12 18:26:32,740 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2020-10-12 18:26:32,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-12 18:26:32,741 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:26:32,741 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:26:32,741 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 18:26:32,742 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:26:32,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:26:32,746 INFO L82 PathProgramCache]: Analyzing trace with hash 404015613, now seen corresponding path program 16 times [2020-10-12 18:26:32,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:26:32,746 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1858337851] [2020-10-12 18:26:32,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:26:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:32,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:33,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:33,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-12 18:26:33,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:33,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1115 [2020-10-12 18:26:33,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:33,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-12 18:26:33,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-12 18:26:33,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 18:26:33,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:33,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:26:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:33,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:33,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:33,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:26:33,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:33,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:26:33,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:33,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:26:33,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:33,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:26:33,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:33,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:26:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:33,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:35,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:35,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-12 18:26:35,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:35,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1072 [2020-10-12 18:26:35,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:35,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 18:26:35,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:35,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 18:26:35,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:35,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:35,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:35,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:35,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 18:26:35,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:35,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 872 [2020-10-12 18:26:35,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:35,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 18:26:35,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:35,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 18:26:35,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:35,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:35,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:36,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:36,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-12 18:26:36,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:36,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 726 [2020-10-12 18:26:36,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:36,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:26:36,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:36,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 18:26:36,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:36,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:36,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:37,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:37,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-12 18:26:37,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:37,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 567 [2020-10-12 18:26:37,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:37,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:26:37,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:37,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-12 18:26:37,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:37,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:37,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:37,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:37,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-12 18:26:37,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:37,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 483 [2020-10-12 18:26:37,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:37,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:26:37,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:37,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 18:26:37,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:37,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:37,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:38,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:38,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-12 18:26:38,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:38,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 387 [2020-10-12 18:26:38,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:38,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:26:38,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:38,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-12 18:26:38,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:38,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:38,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:38,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:38,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 18:26:38,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:38,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 305 [2020-10-12 18:26:38,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:38,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:26:38,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:38,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 18:26:38,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:38,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:38,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:38,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:38,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:26:38,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:38,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 212 [2020-10-12 18:26:38,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:38,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:26:38,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:38,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 18:26:38,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:38,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:38,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:39,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:39,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 18:26:39,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:39,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-12 18:26:39,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:39,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:26:39,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:39,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 18:26:39,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:39,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:39,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:39,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:39,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-12 18:26:39,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:39,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-12 18:26:39,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:39,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:26:39,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:39,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:26:39,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:39,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:39,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:39,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:39,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 18:26:39,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:39,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-12 18:26:39,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:39,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:26:39,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:39,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 18:26:39,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:39,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:39,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:39,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:39,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 18:26:39,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:39,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-12 18:26:39,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:39,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:26:39,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:39,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 18:26:39,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:39,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:39,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:39,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:39,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 18:26:39,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:39,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-12 18:26:39,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:39,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:26:39,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:39,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 18:26:39,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:39,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:39,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:39,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:39,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:26:39,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:39,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 18:26:39,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:39,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:26:39,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:39,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 18:26:39,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:39,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:39,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:39,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:39,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 18:26:39,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:39,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 18:26:39,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:39,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:26:39,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:39,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:26:39,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:40,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:40,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:40,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:40,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:26:40,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:40,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:26:40,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:40,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:26:40,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:40,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:26:40,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:40,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:40,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:40,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:40,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:26:40,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:40,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:26:40,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:40,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:26:40,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:40,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:26:40,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:40,261 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2020-10-12 18:26:40,262 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1858337851] [2020-10-12 18:26:40,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:26:40,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-12 18:26:40,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967671398] [2020-10-12 18:26:40,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-12 18:26:40,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:26:40,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-12 18:26:40,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=1261, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 18:26:40,264 INFO L87 Difference]: Start difference. First operand 63 states and 64 transitions. Second operand 37 states. [2020-10-12 18:26:40,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:26:40,816 INFO L93 Difference]: Finished difference Result 70 states and 71 transitions. [2020-10-12 18:26:40,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-12 18:26:40,817 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 109 [2020-10-12 18:26:40,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:26:40,818 INFO L225 Difference]: With dead ends: 70 [2020-10-12 18:26:40,818 INFO L226 Difference]: Without dead ends: 66 [2020-10-12 18:26:40,820 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=71, Invalid=1261, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 18:26:40,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-12 18:26:40,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-10-12 18:26:40,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-12 18:26:40,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 67 transitions. [2020-10-12 18:26:40,825 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 67 transitions. Word has length 109 [2020-10-12 18:26:40,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:26:40,826 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 67 transitions. [2020-10-12 18:26:40,826 INFO L480 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-10-12 18:26:40,826 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 67 transitions. [2020-10-12 18:26:40,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-12 18:26:40,827 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:26:40,827 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:26:40,827 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-12 18:26:40,828 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:26:40,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:26:40,828 INFO L82 PathProgramCache]: Analyzing trace with hash -464475409, now seen corresponding path program 17 times [2020-10-12 18:26:40,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:26:40,829 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [142693346] [2020-10-12 18:26:40,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:26:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:40,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:42,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:42,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-12 18:26:42,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:42,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1398 [2020-10-12 18:26:42,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:42,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-12 18:26:42,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-12 18:26:42,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-12 18:26:42,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:42,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:26:42,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:42,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:42,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:42,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:26:42,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:42,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:26:42,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:42,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:26:42,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:42,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:26:42,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:42,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:26:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:42,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:43,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:43,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-12 18:26:43,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:43,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1254 [2020-10-12 18:26:43,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:43,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 18:26:43,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:43,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-12 18:26:43,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:43,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:43,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:44,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:44,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-12 18:26:44,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:44,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1054 [2020-10-12 18:26:44,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:44,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 18:26:44,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:44,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 18:26:44,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:44,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:44,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:45,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:45,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 18:26:45,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:45,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 915 [2020-10-12 18:26:45,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:45,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 18:26:45,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:45,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 18:26:45,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:45,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:45,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:46,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:46,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-12 18:26:46,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:46,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 752 [2020-10-12 18:26:46,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:46,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:26:46,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:46,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 18:26:46,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:46,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:46,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:47,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:47,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-12 18:26:47,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:47,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 583 [2020-10-12 18:26:47,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:47,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:26:47,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:47,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-12 18:26:47,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:47,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:47,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:47,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:47,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-12 18:26:47,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:47,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 489 [2020-10-12 18:26:47,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:47,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:26:47,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:47,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 18:26:47,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:47,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:47,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:47,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:48,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:48,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-12 18:26:48,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:48,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 376 [2020-10-12 18:26:48,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:48,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:26:48,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:48,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-12 18:26:48,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:48,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:48,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:48,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:48,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 18:26:48,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:48,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 290 [2020-10-12 18:26:48,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:48,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:26:48,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:48,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 18:26:48,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:48,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:48,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:48,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:48,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:26:48,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:48,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-12 18:26:48,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:48,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:26:48,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:48,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 18:26:48,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:48,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:48,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:48,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:48,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 18:26:48,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:48,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-10-12 18:26:48,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:48,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:26:48,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:48,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 18:26:48,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:48,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:48,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:49,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:49,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-12 18:26:49,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:49,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-12 18:26:49,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:49,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:26:49,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:49,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:26:49,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:49,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:49,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:49,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:49,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 18:26:49,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:49,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-12 18:26:49,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:49,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:26:49,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:49,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 18:26:49,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:49,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:49,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:49,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:49,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 18:26:49,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:49,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-12 18:26:49,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:49,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:26:49,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:49,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 18:26:49,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:49,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:49,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:49,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:49,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 18:26:49,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:49,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 18:26:49,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:49,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:26:49,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:49,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 18:26:49,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:49,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:49,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:49,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:49,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:26:49,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:49,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 18:26:49,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:49,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:26:49,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:49,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 18:26:49,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:49,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:49,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:49,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:49,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 18:26:49,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:49,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 18:26:49,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:49,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:26:49,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:49,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:26:49,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:49,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:49,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:49,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:49,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:26:49,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:49,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 18:26:49,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:49,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:26:49,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:49,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:26:49,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:49,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:49,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:49,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:49,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:26:49,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:49,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:26:49,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:49,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:26:49,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:49,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:26:49,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:50,018 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2020-10-12 18:26:50,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [142693346] [2020-10-12 18:26:50,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:26:50,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2020-10-12 18:26:50,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447723331] [2020-10-12 18:26:50,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 39 states [2020-10-12 18:26:50,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:26:50,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2020-10-12 18:26:50,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1407, Unknown=0, NotChecked=0, Total=1482 [2020-10-12 18:26:50,020 INFO L87 Difference]: Start difference. First operand 66 states and 67 transitions. Second operand 39 states. [2020-10-12 18:26:50,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:26:50,638 INFO L93 Difference]: Finished difference Result 73 states and 74 transitions. [2020-10-12 18:26:50,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-12 18:26:50,639 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 115 [2020-10-12 18:26:50,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:26:50,640 INFO L225 Difference]: With dead ends: 73 [2020-10-12 18:26:50,640 INFO L226 Difference]: Without dead ends: 69 [2020-10-12 18:26:50,641 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=75, Invalid=1407, Unknown=0, NotChecked=0, Total=1482 [2020-10-12 18:26:50,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-12 18:26:50,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2020-10-12 18:26:50,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-12 18:26:50,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 70 transitions. [2020-10-12 18:26:50,646 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 70 transitions. Word has length 115 [2020-10-12 18:26:50,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:26:50,647 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 70 transitions. [2020-10-12 18:26:50,647 INFO L480 AbstractCegarLoop]: Interpolant automaton has 39 states. [2020-10-12 18:26:50,647 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2020-10-12 18:26:50,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-12 18:26:50,648 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:26:50,648 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:26:50,649 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-12 18:26:50,649 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:26:50,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:26:50,649 INFO L82 PathProgramCache]: Analyzing trace with hash 130115453, now seen corresponding path program 18 times [2020-10-12 18:26:50,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:26:50,649 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2106800543] [2020-10-12 18:26:50,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:26:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:50,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:52,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:52,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-12 18:26:52,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:52,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1549 [2020-10-12 18:26:52,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:52,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-12 18:26:52,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-12 18:26:52,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-12 18:26:52,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:52,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:26:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:52,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:52,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:52,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:26:52,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:52,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:26:52,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:52,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:26:52,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:52,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:26:52,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:52,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:26:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:52,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:53,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:53,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 18:26:53,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:53,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1506 [2020-10-12 18:26:53,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:53,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-12 18:26:53,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:53,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-12 18:26:53,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:53,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:53,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:55,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:55,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-12 18:26:55,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:55,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1211 [2020-10-12 18:26:55,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:55,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 18:26:55,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:55,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-12 18:26:55,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:55,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:55,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:56,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:56,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-12 18:26:56,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:56,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1082 [2020-10-12 18:26:56,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:56,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 18:26:56,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:56,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 18:26:56,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:56,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:56,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:57,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:57,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 18:26:57,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:57,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 897 [2020-10-12 18:26:57,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:57,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 18:26:57,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:57,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 18:26:57,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:57,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:57,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:58,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:58,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-12 18:26:58,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:58,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1004 [2020-10-12 18:26:58,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:58,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:26:58,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:58,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 18:26:58,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:58,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:58,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:58,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:58,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-12 18:26:58,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:58,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 580 [2020-10-12 18:26:58,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:58,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:26:58,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:58,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-12 18:26:58,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:58,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:58,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:59,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:59,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-12 18:26:59,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:59,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 467 [2020-10-12 18:26:59,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:59,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:26:59,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:59,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 18:26:59,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:59,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:59,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:59,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:59,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-12 18:26:59,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:59,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 394 [2020-10-12 18:26:59,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:59,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:26:59,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:59,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-12 18:26:59,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:59,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:26:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:59,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:00,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:00,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 18:27:00,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:00,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 282 [2020-10-12 18:27:00,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:00,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:27:00,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:00,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 18:27:00,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:00,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:00,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:00,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:00,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:27:00,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:00,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-12 18:27:00,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:00,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:27:00,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:00,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 18:27:00,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:00,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:00,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:00,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:00,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 18:27:00,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:00,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-12 18:27:00,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:00,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:27:00,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:00,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 18:27:00,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:00,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:00,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:00,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:00,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-12 18:27:00,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:00,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-12 18:27:00,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:00,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:27:00,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:00,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:27:00,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:00,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:00,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:01,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:01,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 18:27:01,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:01,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-12 18:27:01,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:01,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:27:01,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:01,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 18:27:01,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:01,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:01,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:01,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:01,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 18:27:01,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:01,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-12 18:27:01,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:01,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:27:01,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:01,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 18:27:01,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:01,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:01,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:01,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:01,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 18:27:01,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:01,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 18:27:01,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:01,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:27:01,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:01,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 18:27:01,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:01,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:01,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:01,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:01,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:27:01,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:01,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 18:27:01,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:01,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:27:01,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:01,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 18:27:01,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:01,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:01,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:01,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:01,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 18:27:01,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:01,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 18:27:01,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:01,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:27:01,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:01,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:27:01,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:27:01,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:01,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:01,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:01,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:27:01,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:01,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 18:27:01,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:01,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:27:01,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:01,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:27:01,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:27:01,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:01,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:01,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:01,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:27:01,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:01,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:27:01,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:01,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:27:01,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:01,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:27:01,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:01,856 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2020-10-12 18:27:01,857 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2106800543] [2020-10-12 18:27:01,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:27:01,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2020-10-12 18:27:01,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197186844] [2020-10-12 18:27:01,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2020-10-12 18:27:01,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:27:01,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2020-10-12 18:27:01,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1561, Unknown=0, NotChecked=0, Total=1640 [2020-10-12 18:27:01,859 INFO L87 Difference]: Start difference. First operand 69 states and 70 transitions. Second operand 41 states. [2020-10-12 18:27:02,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:27:02,544 INFO L93 Difference]: Finished difference Result 76 states and 77 transitions. [2020-10-12 18:27:02,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-12 18:27:02,544 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 121 [2020-10-12 18:27:02,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:27:02,546 INFO L225 Difference]: With dead ends: 76 [2020-10-12 18:27:02,546 INFO L226 Difference]: Without dead ends: 72 [2020-10-12 18:27:02,547 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=79, Invalid=1561, Unknown=0, NotChecked=0, Total=1640 [2020-10-12 18:27:02,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-12 18:27:02,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-10-12 18:27:02,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-12 18:27:02,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 73 transitions. [2020-10-12 18:27:02,552 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 73 transitions. Word has length 121 [2020-10-12 18:27:02,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:27:02,552 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 73 transitions. [2020-10-12 18:27:02,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 41 states. [2020-10-12 18:27:02,553 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2020-10-12 18:27:02,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-12 18:27:02,554 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:27:02,554 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:27:02,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-12 18:27:02,554 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:27:02,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:27:02,555 INFO L82 PathProgramCache]: Analyzing trace with hash -2010955025, now seen corresponding path program 19 times [2020-10-12 18:27:02,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:27:02,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1768225347] [2020-10-12 18:27:02,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:27:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:02,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:04,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:04,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-12 18:27:04,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:04,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1847 [2020-10-12 18:27:04,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:04,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-12 18:27:04,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-12 18:27:04,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-12 18:27:04,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:04,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:27:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:04,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:04,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:04,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:27:04,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:04,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:27:04,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:04,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:27:04,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:04,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:27:04,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:04,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:27:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:04,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:06,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:06,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-12 18:27:06,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:06,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1684 [2020-10-12 18:27:06,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:06,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-12 18:27:06,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:06,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-12 18:27:06,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:06,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:06,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:07,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:07,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 18:27:07,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:07,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1435 [2020-10-12 18:27:07,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:07,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-12 18:27:07,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:07,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-12 18:27:07,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:07,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:07,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:08,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:08,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-12 18:27:08,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:08,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1260 [2020-10-12 18:27:08,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:08,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 18:27:08,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:08,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-12 18:27:08,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:08,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:09,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:10,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:10,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-12 18:27:10,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:10,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1038 [2020-10-12 18:27:10,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:10,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 18:27:10,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:10,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 18:27:10,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:10,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:10,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:10,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:10,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 18:27:10,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:10,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 883 [2020-10-12 18:27:10,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:10,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 18:27:10,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:10,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 18:27:10,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:11,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:11,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:11,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:11,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-12 18:27:11,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:11,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 747 [2020-10-12 18:27:11,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:11,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:27:11,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:11,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 18:27:11,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:11,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:11,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:12,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:12,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-12 18:27:12,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:12,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 573 [2020-10-12 18:27:12,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:12,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:27:12,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:12,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-12 18:27:12,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:12,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:12,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:12,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:12,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-12 18:27:12,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:12,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 489 [2020-10-12 18:27:12,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:12,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:27:12,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:12,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 18:27:12,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:13,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:13,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:13,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:13,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-12 18:27:13,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:13,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 374 [2020-10-12 18:27:13,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:13,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:27:13,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:13,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-12 18:27:13,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:13,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:13,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:13,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:13,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 18:27:13,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:13,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 293 [2020-10-12 18:27:13,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:13,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:27:13,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:13,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 18:27:13,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:13,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:13,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:14,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:14,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:27:14,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:14,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 243 [2020-10-12 18:27:14,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:14,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:27:14,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:14,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 18:27:14,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:14,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:14,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:14,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:14,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 18:27:14,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:14,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-12 18:27:14,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:14,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:27:14,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:14,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 18:27:14,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:14,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:14,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:14,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:14,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-12 18:27:14,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:14,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-12 18:27:14,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:14,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:27:14,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:14,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:27:14,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:14,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:14,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:14,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:14,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 18:27:14,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:14,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-12 18:27:14,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:14,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:27:14,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:14,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 18:27:14,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:27:14,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:14,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:14,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:14,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 18:27:14,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:14,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-12 18:27:14,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:14,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:27:14,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:14,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 18:27:14,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:14,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:14,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:14,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:14,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 18:27:14,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:14,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 18:27:14,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:15,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:27:15,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:15,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 18:27:15,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:15,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:15,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:15,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:15,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:27:15,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:15,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 18:27:15,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:15,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:27:15,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:15,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 18:27:15,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:15,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:15,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:15,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:15,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 18:27:15,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:15,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 18:27:15,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:15,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:27:15,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:15,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:27:15,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:15,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:15,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:15,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:15,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:27:15,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:15,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:27:15,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:15,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:27:15,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:15,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:27:15,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:15,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:15,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:15,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:15,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:27:15,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:15,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:27:15,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:15,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:27:15,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:15,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:27:15,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:15,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2020-10-12 18:27:15,594 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1768225347] [2020-10-12 18:27:15,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:27:15,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2020-10-12 18:27:15,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473186857] [2020-10-12 18:27:15,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 43 states [2020-10-12 18:27:15,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:27:15,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2020-10-12 18:27:15,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2020-10-12 18:27:15,595 INFO L87 Difference]: Start difference. First operand 72 states and 73 transitions. Second operand 43 states. [2020-10-12 18:27:16,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:27:16,342 INFO L93 Difference]: Finished difference Result 79 states and 80 transitions. [2020-10-12 18:27:16,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-12 18:27:16,343 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 127 [2020-10-12 18:27:16,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:27:16,344 INFO L225 Difference]: With dead ends: 79 [2020-10-12 18:27:16,344 INFO L226 Difference]: Without dead ends: 75 [2020-10-12 18:27:16,345 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2020-10-12 18:27:16,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-12 18:27:16,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-10-12 18:27:16,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-12 18:27:16,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 76 transitions. [2020-10-12 18:27:16,349 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 76 transitions. Word has length 127 [2020-10-12 18:27:16,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:27:16,350 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 76 transitions. [2020-10-12 18:27:16,350 INFO L480 AbstractCegarLoop]: Interpolant automaton has 43 states. [2020-10-12 18:27:16,350 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2020-10-12 18:27:16,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-12 18:27:16,351 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:27:16,351 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:27:16,352 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-12 18:27:16,352 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:27:16,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:27:16,352 INFO L82 PathProgramCache]: Analyzing trace with hash -799288067, now seen corresponding path program 20 times [2020-10-12 18:27:16,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:27:16,353 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1265389562] [2020-10-12 18:27:16,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:27:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:16,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:18,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:18,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-12 18:27:18,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:18,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2128 [2020-10-12 18:27:18,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:18,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-12 18:27:18,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-12 18:27:18,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 18:27:18,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:18,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:27:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:18,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:18,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:18,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:27:18,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:18,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:27:18,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:18,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:27:18,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:18,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:27:18,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:18,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:27:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:18,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:20,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:20,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-12 18:27:20,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:20,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1953 [2020-10-12 18:27:20,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:20,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-12 18:27:20,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:20,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-12 18:27:20,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:20,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:20,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:22,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:22,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-12 18:27:22,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:22,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1736 [2020-10-12 18:27:22,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:22,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-12 18:27:22,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:22,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-12 18:27:22,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:22,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:22,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:23,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:23,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 18:27:23,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:23,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1496 [2020-10-12 18:27:23,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:23,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-12 18:27:23,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:23,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-12 18:27:23,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:23,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:23,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:25,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:25,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-12 18:27:25,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:25,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1285 [2020-10-12 18:27:25,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:25,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 18:27:25,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:25,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-12 18:27:25,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:25,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:25,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:26,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:26,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-12 18:27:26,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:26,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1042 [2020-10-12 18:27:26,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:26,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 18:27:26,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:26,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 18:27:26,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:26,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:26,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:27,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:27,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 18:27:27,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:27,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 901 [2020-10-12 18:27:27,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:27,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 18:27:27,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:27,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 18:27:27,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:27,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:27,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:28,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:28,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-12 18:27:28,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:28,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 728 [2020-10-12 18:27:28,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:28,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:27:28,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:28,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 18:27:28,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:28,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:28,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:28,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:28,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-12 18:27:28,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:28,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 585 [2020-10-12 18:27:28,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:28,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:27:28,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:28,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-12 18:27:28,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:28,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:28,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:29,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:29,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-12 18:27:29,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:29,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 479 [2020-10-12 18:27:29,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:29,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:27:29,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:29,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 18:27:29,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:29,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:29,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:29,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:29,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-12 18:27:29,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:29,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 360 [2020-10-12 18:27:29,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:29,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:27:29,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:29,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-12 18:27:29,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:29,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:29,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:30,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:30,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 18:27:30,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:30,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-10-12 18:27:30,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:30,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:27:30,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:30,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 18:27:30,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:30,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:30,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:30,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:30,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:27:30,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:30,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-10-12 18:27:30,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:30,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:27:30,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:30,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 18:27:30,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:30,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:30,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:30,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:30,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:30,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 18:27:30,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:30,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-12 18:27:30,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:30,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:27:30,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:30,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 18:27:30,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:30,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:30,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:30,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:30,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-12 18:27:30,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:30,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-12 18:27:30,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:30,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:27:30,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:30,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:27:30,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:30,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:30,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:30,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:30,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 18:27:30,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:30,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-12 18:27:30,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:30,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:27:30,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:30,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 18:27:30,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:31,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:31,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:31,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:31,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 18:27:31,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:31,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-12 18:27:31,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:31,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:27:31,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:31,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 18:27:31,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:31,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:31,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:31,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:31,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 18:27:31,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:31,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 18:27:31,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:31,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:27:31,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:31,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 18:27:31,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:31,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:31,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:31,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:31,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:27:31,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:31,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 18:27:31,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:31,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:27:31,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:31,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 18:27:31,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:31,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:31,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:31,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:31,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 18:27:31,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:31,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 18:27:31,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:31,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:27:31,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:31,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:27:31,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:31,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:31,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:31,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:31,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:27:31,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:31,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:27:31,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:31,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:27:31,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:31,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:27:31,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:31,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:31,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:31,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:31,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:27:31,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:31,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:27:31,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:31,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:27:31,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:31,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:27:31,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:31,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2020-10-12 18:27:31,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1265389562] [2020-10-12 18:27:31,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:27:31,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2020-10-12 18:27:31,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490711235] [2020-10-12 18:27:31,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 45 states [2020-10-12 18:27:31,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:27:31,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2020-10-12 18:27:31,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1893, Unknown=0, NotChecked=0, Total=1980 [2020-10-12 18:27:31,843 INFO L87 Difference]: Start difference. First operand 75 states and 76 transitions. Second operand 45 states. [2020-10-12 18:27:32,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:27:32,658 INFO L93 Difference]: Finished difference Result 82 states and 83 transitions. [2020-10-12 18:27:32,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-10-12 18:27:32,659 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 133 [2020-10-12 18:27:32,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:27:32,661 INFO L225 Difference]: With dead ends: 82 [2020-10-12 18:27:32,661 INFO L226 Difference]: Without dead ends: 78 [2020-10-12 18:27:32,662 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=87, Invalid=1893, Unknown=0, NotChecked=0, Total=1980 [2020-10-12 18:27:32,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-12 18:27:32,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-10-12 18:27:32,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-12 18:27:32,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 79 transitions. [2020-10-12 18:27:32,667 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 79 transitions. Word has length 133 [2020-10-12 18:27:32,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:27:32,667 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 79 transitions. [2020-10-12 18:27:32,667 INFO L480 AbstractCegarLoop]: Interpolant automaton has 45 states. [2020-10-12 18:27:32,667 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 79 transitions. [2020-10-12 18:27:32,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-12 18:27:32,669 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:27:32,669 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:27:32,669 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-12 18:27:32,669 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:27:32,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:27:32,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1226192145, now seen corresponding path program 21 times [2020-10-12 18:27:32,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:27:32,670 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [861883414] [2020-10-12 18:27:32,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:27:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:32,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:35,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:35,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-12 18:27:35,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:35,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2456 [2020-10-12 18:27:35,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:35,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-12 18:27:35,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-12 18:27:35,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-12 18:27:35,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:35,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:27:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:35,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:35,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:35,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:27:35,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:35,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:27:35,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:35,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:27:35,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:35,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:27:35,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:35,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:27:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:35,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:37,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:37,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-12 18:27:37,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:37,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2287 [2020-10-12 18:27:37,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:37,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-12 18:27:37,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:37,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-12 18:27:37,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:37,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:37,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:39,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:39,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-12 18:27:39,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:39,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2038 [2020-10-12 18:27:39,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:39,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-12 18:27:39,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:39,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-12 18:27:39,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:39,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:39,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:41,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:41,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-12 18:27:41,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:41,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1800 [2020-10-12 18:27:41,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:41,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-12 18:27:41,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:41,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-12 18:27:41,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:41,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:41,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:43,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:43,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 18:27:43,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:43,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1508 [2020-10-12 18:27:43,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:43,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-12 18:27:43,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:43,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-12 18:27:43,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:43,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:43,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:44,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:44,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-12 18:27:44,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:44,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1280 [2020-10-12 18:27:44,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:44,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 18:27:44,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:44,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-12 18:27:44,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:44,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:44,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:44,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:45,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:45,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-12 18:27:45,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:45,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1057 [2020-10-12 18:27:45,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:45,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 18:27:45,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:45,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 18:27:45,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:45,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:45,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:46,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:46,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 18:27:46,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:46,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 841 [2020-10-12 18:27:46,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:46,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 18:27:46,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:46,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 18:27:46,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:46,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:46,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:47,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:47,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-12 18:27:47,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:47,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 705 [2020-10-12 18:27:47,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:47,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:27:47,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:47,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 18:27:47,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:47,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:47,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:47,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:47,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-12 18:27:47,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:47,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 571 [2020-10-12 18:27:47,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:47,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:27:47,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:47,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-12 18:27:47,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:47,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:47,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:48,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:48,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-12 18:27:48,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:48,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 460 [2020-10-12 18:27:48,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:48,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:27:48,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:48,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 18:27:48,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:48,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:48,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:48,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:48,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-12 18:27:48,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:48,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 384 [2020-10-12 18:27:48,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:48,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:27:48,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:48,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-12 18:27:48,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:48,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:48,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:49,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:49,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 18:27:49,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:49,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-10-12 18:27:49,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:49,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:27:49,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:49,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 18:27:49,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:49,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:49,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:49,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:49,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:27:49,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:49,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 266 [2020-10-12 18:27:49,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:49,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:27:49,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:49,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 18:27:49,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:49,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:49,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:49,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:49,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 18:27:49,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:49,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-12 18:27:49,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:49,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:27:49,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:49,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 18:27:49,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:49,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:49,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:49,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:49,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-12 18:27:49,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:49,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-12 18:27:49,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:49,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:27:49,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:49,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:27:49,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:50,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:50,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:50,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:50,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 18:27:50,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:50,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-12 18:27:50,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:50,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:27:50,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:50,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 18:27:50,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:50,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:50,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:50,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:50,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 18:27:50,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:50,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-12 18:27:50,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:50,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:27:50,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:50,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 18:27:50,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:50,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:50,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:50,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:50,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 18:27:50,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:50,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 18:27:50,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:50,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:27:50,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:50,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 18:27:50,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:50,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:50,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:50,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:50,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:27:50,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:50,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 18:27:50,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:50,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:27:50,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:50,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 18:27:50,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:50,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:50,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:50,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:50,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 18:27:50,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:50,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 18:27:50,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:50,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:27:50,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:50,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:27:50,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:50,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:50,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:50,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:50,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:27:50,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:50,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:27:50,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:50,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:27:50,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:50,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:27:50,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:50,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:50,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:50,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:50,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:27:50,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:50,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:27:50,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:50,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:27:50,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:50,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:27:50,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:51,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2020-10-12 18:27:51,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [861883414] [2020-10-12 18:27:51,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:27:51,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2020-10-12 18:27:51,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513848912] [2020-10-12 18:27:51,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 47 states [2020-10-12 18:27:51,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:27:51,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2020-10-12 18:27:51,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=2071, Unknown=0, NotChecked=0, Total=2162 [2020-10-12 18:27:51,053 INFO L87 Difference]: Start difference. First operand 78 states and 79 transitions. Second operand 47 states. [2020-10-12 18:27:51,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:27:51,970 INFO L93 Difference]: Finished difference Result 85 states and 86 transitions. [2020-10-12 18:27:51,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-10-12 18:27:51,973 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 139 [2020-10-12 18:27:51,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:27:51,974 INFO L225 Difference]: With dead ends: 85 [2020-10-12 18:27:51,974 INFO L226 Difference]: Without dead ends: 81 [2020-10-12 18:27:51,975 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=91, Invalid=2071, Unknown=0, NotChecked=0, Total=2162 [2020-10-12 18:27:51,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-12 18:27:51,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-10-12 18:27:51,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-12 18:27:51,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 82 transitions. [2020-10-12 18:27:51,980 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 82 transitions. Word has length 139 [2020-10-12 18:27:51,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:27:51,980 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 82 transitions. [2020-10-12 18:27:51,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 47 states. [2020-10-12 18:27:51,981 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2020-10-12 18:27:51,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-12 18:27:51,982 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:27:51,982 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:27:51,982 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-12 18:27:51,982 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:27:51,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:27:51,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1155535485, now seen corresponding path program 22 times [2020-10-12 18:27:51,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:27:51,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [606476277] [2020-10-12 18:27:51,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:27:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:52,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:54,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:54,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-12 18:27:54,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:54,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2795 [2020-10-12 18:27:54,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:54,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-12 18:27:54,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-12 18:27:54,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-12 18:27:54,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:54,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:27:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:54,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:54,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:54,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:27:54,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:54,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:27:54,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:54,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:27:54,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:54,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:27:54,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:54,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:27:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:54,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:57,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:57,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-12 18:27:57,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:57,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2652 [2020-10-12 18:27:57,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:57,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-12 18:27:57,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:57,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-12 18:27:57,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:57,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:27:57,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:27:59,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:27:59,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-12 18:27:59,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:27:59,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2323 [2020-10-12 18:27:59,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:27:59,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-12 18:27:59,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:27:59,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-12 18:27:59,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:27:59,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:27:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:00,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:02,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:02,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-12 18:28:02,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:02,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2546 [2020-10-12 18:28:02,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:02,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-12 18:28:02,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:02,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-12 18:28:02,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:02,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:02,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:04,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:04,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-12 18:28:04,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:04,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1822 [2020-10-12 18:28:04,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:04,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-12 18:28:04,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:04,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-12 18:28:04,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:04,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:04,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:05,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:05,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 18:28:05,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:05,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1457 [2020-10-12 18:28:05,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:05,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-12 18:28:05,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:05,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-12 18:28:05,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:05,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:05,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:07,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:07,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-12 18:28:07,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:07,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1206 [2020-10-12 18:28:07,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:07,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 18:28:07,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:07,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-12 18:28:07,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:07,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:07,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:08,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:08,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-12 18:28:08,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:08,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1042 [2020-10-12 18:28:08,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:08,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 18:28:08,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:08,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 18:28:08,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:08,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:08,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:09,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:09,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 18:28:09,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:09,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 858 [2020-10-12 18:28:09,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:09,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 18:28:09,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:09,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 18:28:09,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:09,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:09,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:10,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:10,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-12 18:28:10,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:10,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 743 [2020-10-12 18:28:10,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:10,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:28:10,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:10,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 18:28:10,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:10,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:10,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:10,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:10,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:10,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-12 18:28:10,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:10,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 570 [2020-10-12 18:28:10,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:10,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:28:10,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:10,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-12 18:28:10,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:10,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:10,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:11,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:11,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-12 18:28:11,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:11,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 451 [2020-10-12 18:28:11,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:11,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:28:11,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:11,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 18:28:11,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:11,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:11,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:11,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:11,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-12 18:28:11,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:11,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 378 [2020-10-12 18:28:11,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:11,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:28:11,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:11,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-12 18:28:11,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:11,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:11,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:12,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:12,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 18:28:12,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:12,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 312 [2020-10-12 18:28:12,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:12,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:28:12,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:12,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 18:28:12,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:12,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:12,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:12,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:12,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:28:12,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:12,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-10-12 18:28:12,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:12,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:28:12,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:12,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 18:28:12,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:12,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:12,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:12,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:12,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 18:28:12,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:12,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-12 18:28:12,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:12,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:28:12,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:12,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 18:28:12,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:12,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:12,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:12,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:12,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-12 18:28:12,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:12,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-12 18:28:12,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:12,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:28:12,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:12,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:28:12,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:12,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:12,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:12,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:12,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 18:28:12,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:12,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-12 18:28:12,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:12,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:28:12,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:12,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 18:28:12,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:13,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:13,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:13,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:13,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 18:28:13,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:13,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-12 18:28:13,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:13,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:28:13,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:13,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 18:28:13,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:13,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:13,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:13,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:13,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 18:28:13,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:13,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 18:28:13,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:13,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:28:13,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:13,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 18:28:13,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:13,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:13,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:13,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:13,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:28:13,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:13,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 18:28:13,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:13,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:28:13,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:13,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 18:28:13,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:13,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:13,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:13,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:13,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 18:28:13,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:13,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 18:28:13,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:13,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:28:13,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:13,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:28:13,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:13,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:13,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:13,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:13,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:28:13,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:13,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 18:28:13,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:13,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:28:13,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:13,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:28:13,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:13,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:13,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:13,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:13,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:28:13,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:13,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:28:13,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:13,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:28:13,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:13,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:28:13,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:28:13,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2020-10-12 18:28:13,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [606476277] [2020-10-12 18:28:13,977 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:28:13,977 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2020-10-12 18:28:13,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716455455] [2020-10-12 18:28:13,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 49 states [2020-10-12 18:28:13,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:28:13,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2020-10-12 18:28:13,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=2257, Unknown=0, NotChecked=0, Total=2352 [2020-10-12 18:28:13,979 INFO L87 Difference]: Start difference. First operand 81 states and 82 transitions. Second operand 49 states. [2020-10-12 18:28:14,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:28:14,964 INFO L93 Difference]: Finished difference Result 88 states and 89 transitions. [2020-10-12 18:28:14,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-10-12 18:28:14,964 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 145 [2020-10-12 18:28:14,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:28:14,966 INFO L225 Difference]: With dead ends: 88 [2020-10-12 18:28:14,966 INFO L226 Difference]: Without dead ends: 84 [2020-10-12 18:28:14,968 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=95, Invalid=2257, Unknown=0, NotChecked=0, Total=2352 [2020-10-12 18:28:14,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-10-12 18:28:14,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2020-10-12 18:28:14,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-12 18:28:14,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 85 transitions. [2020-10-12 18:28:14,972 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 85 transitions. Word has length 145 [2020-10-12 18:28:14,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:28:14,973 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 85 transitions. [2020-10-12 18:28:14,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 49 states. [2020-10-12 18:28:14,973 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 85 transitions. [2020-10-12 18:28:14,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-12 18:28:14,974 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:28:14,974 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:28:14,974 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-12 18:28:14,975 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:28:14,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:28:14,975 INFO L82 PathProgramCache]: Analyzing trace with hash 478692079, now seen corresponding path program 23 times [2020-10-12 18:28:14,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:28:14,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1582664313] [2020-10-12 18:28:14,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:28:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:15,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:18,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:18,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-12 18:28:18,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:18,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3142 [2020-10-12 18:28:18,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:18,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-12 18:28:18,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-10-12 18:28:18,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 18:28:18,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:18,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:28:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:18,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:18,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:18,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:28:18,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:18,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:28:18,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:18,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:28:18,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:18,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:28:18,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:18,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:28:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:18,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:21,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:21,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-12 18:28:21,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:21,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3532 [2020-10-12 18:28:21,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:21,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-12 18:28:21,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:21,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-10-12 18:28:21,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:21,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:21,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:24,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:24,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-12 18:28:24,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:24,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2751 [2020-10-12 18:28:24,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:24,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-12 18:28:24,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:24,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-12 18:28:24,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:24,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:24,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:26,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:26,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-12 18:28:26,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:26,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2321 [2020-10-12 18:28:26,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:26,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-12 18:28:26,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:26,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-12 18:28:26,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:26,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:27,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:29,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:29,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-12 18:28:29,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:29,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2018 [2020-10-12 18:28:29,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:29,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-12 18:28:29,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:29,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-12 18:28:29,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:29,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:29,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:30,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:30,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-12 18:28:30,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:30,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1734 [2020-10-12 18:28:30,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:30,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-12 18:28:30,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:30,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-12 18:28:30,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:30,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:30,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:32,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:32,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 18:28:32,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:32,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1455 [2020-10-12 18:28:32,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:32,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-12 18:28:32,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:32,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-12 18:28:32,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:32,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:32,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:33,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:33,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-12 18:28:33,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:33,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1250 [2020-10-12 18:28:33,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:33,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 18:28:33,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:33,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-12 18:28:33,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:33,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:33,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:34,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:34,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-12 18:28:34,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:34,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1071 [2020-10-12 18:28:34,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:34,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 18:28:34,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:34,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 18:28:34,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:34,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:34,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:35,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:35,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 18:28:35,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:35,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 832 [2020-10-12 18:28:35,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:35,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 18:28:35,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:35,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 18:28:35,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:35,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:35,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:36,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:36,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-12 18:28:36,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:36,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 716 [2020-10-12 18:28:36,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:36,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:28:36,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:36,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 18:28:36,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:36,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:36,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:37,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:37,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-12 18:28:37,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:37,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 637 [2020-10-12 18:28:37,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:37,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:28:37,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:37,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-12 18:28:37,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:37,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:37,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:37,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:37,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-12 18:28:37,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:37,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 455 [2020-10-12 18:28:37,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:37,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:28:37,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:37,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 18:28:37,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:37,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:37,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:38,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:38,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-12 18:28:38,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:38,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 380 [2020-10-12 18:28:38,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:38,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:28:38,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:38,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-12 18:28:38,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:38,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:38,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:38,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:38,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 18:28:38,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:38,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-10-12 18:28:38,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:38,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:28:38,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:38,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 18:28:38,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:38,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:38,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:38,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:38,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:28:38,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:38,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 206 [2020-10-12 18:28:38,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:38,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:28:38,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:38,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 18:28:38,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:38,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:39,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:39,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:39,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 18:28:39,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:39,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-12 18:28:39,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:39,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:28:39,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:39,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 18:28:39,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:39,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:39,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:39,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:39,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-12 18:28:39,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:39,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-12 18:28:39,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:39,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:28:39,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:39,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:28:39,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:39,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:39,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:39,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:39,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 18:28:39,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:39,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-12 18:28:39,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:39,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:28:39,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:39,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 18:28:39,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:39,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:39,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:39,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:39,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 18:28:39,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:39,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-12 18:28:39,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:39,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:28:39,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:39,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 18:28:39,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:39,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:39,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:39,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:39,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 18:28:39,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:39,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 18:28:39,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:39,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:28:39,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:39,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 18:28:39,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:28:40,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:40,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:40,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:40,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:28:40,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:40,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 18:28:40,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:40,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:28:40,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:40,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 18:28:40,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:40,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:40,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:40,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:40,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 18:28:40,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:40,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 18:28:40,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:40,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:28:40,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:40,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:28:40,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:40,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:40,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:40,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:40,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:28:40,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:40,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:28:40,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:40,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:28:40,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:40,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:28:40,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:28:40,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:40,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:40,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:40,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:28:40,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:40,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:28:40,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:40,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:28:40,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:40,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:28:40,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:28:40,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2020-10-12 18:28:40,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1582664313] [2020-10-12 18:28:40,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:28:40,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2020-10-12 18:28:40,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552080510] [2020-10-12 18:28:40,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 51 states [2020-10-12 18:28:40,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:28:40,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2020-10-12 18:28:40,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=2451, Unknown=0, NotChecked=0, Total=2550 [2020-10-12 18:28:40,663 INFO L87 Difference]: Start difference. First operand 84 states and 85 transitions. Second operand 51 states. [2020-10-12 18:28:41,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:28:41,770 INFO L93 Difference]: Finished difference Result 91 states and 92 transitions. [2020-10-12 18:28:41,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-10-12 18:28:41,771 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 151 [2020-10-12 18:28:41,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:28:41,773 INFO L225 Difference]: With dead ends: 91 [2020-10-12 18:28:41,773 INFO L226 Difference]: Without dead ends: 87 [2020-10-12 18:28:41,775 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=99, Invalid=2451, Unknown=0, NotChecked=0, Total=2550 [2020-10-12 18:28:41,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-12 18:28:41,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2020-10-12 18:28:41,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-12 18:28:41,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 88 transitions. [2020-10-12 18:28:41,780 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 88 transitions. Word has length 151 [2020-10-12 18:28:41,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:28:41,780 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 88 transitions. [2020-10-12 18:28:41,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 51 states. [2020-10-12 18:28:41,780 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 88 transitions. [2020-10-12 18:28:41,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-12 18:28:41,782 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:28:41,782 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:28:41,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-12 18:28:41,782 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:28:41,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:28:41,783 INFO L82 PathProgramCache]: Analyzing trace with hash -414572547, now seen corresponding path program 24 times [2020-10-12 18:28:41,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:28:41,783 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1489634034] [2020-10-12 18:28:41,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:28:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:41,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:45,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:45,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-12 18:28:45,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:45,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3709 [2020-10-12 18:28:45,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:45,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-12 18:28:45,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-12 18:28:45,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 18:28:45,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:45,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:28:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:45,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:45,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:45,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:28:45,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:45,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:28:45,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:45,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:28:45,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:45,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:28:45,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:45,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:28:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:45,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:49,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:49,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-12 18:28:49,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:49,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3495 [2020-10-12 18:28:49,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:49,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-12 18:28:49,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:49,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-10-12 18:28:49,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:49,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:49,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:52,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:52,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-12 18:28:52,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:52,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3120 [2020-10-12 18:28:52,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:52,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-12 18:28:52,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:52,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-10-12 18:28:52,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:52,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:52,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:55,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:55,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-12 18:28:55,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:55,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2683 [2020-10-12 18:28:55,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:55,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-12 18:28:55,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:55,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-12 18:28:55,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:55,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:55,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:57,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:57,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-12 18:28:57,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:57,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2361 [2020-10-12 18:28:57,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:57,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-12 18:28:57,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:57,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-12 18:28:57,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:57,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:57,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:28:59,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:28:59,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-12 18:28:59,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:28:59,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2029 [2020-10-12 18:28:59,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:28:59,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-12 18:28:59,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:28:59,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-12 18:28:59,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:28:59,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:28:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:28:59,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:01,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:01,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-12 18:29:01,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:01,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1756 [2020-10-12 18:29:01,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:01,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-12 18:29:01,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:01,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-12 18:29:01,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:01,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:01,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:02,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:02,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 18:29:02,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:02,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1501 [2020-10-12 18:29:02,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:02,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-12 18:29:02,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:02,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-12 18:29:02,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:02,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:03,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:04,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:04,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-12 18:29:04,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:04,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1332 [2020-10-12 18:29:04,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:04,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 18:29:04,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:04,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-12 18:29:04,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:04,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:04,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:05,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:05,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-12 18:29:05,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:05,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1061 [2020-10-12 18:29:05,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:05,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 18:29:05,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:05,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 18:29:05,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:05,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:05,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:06,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:06,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 18:29:06,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:06,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 868 [2020-10-12 18:29:06,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:06,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 18:29:06,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:06,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 18:29:06,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:06,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:06,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:07,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:07,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-12 18:29:07,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:07,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 701 [2020-10-12 18:29:07,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:07,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:29:07,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:07,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 18:29:07,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:07,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:07,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:07,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:07,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-12 18:29:07,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:07,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 563 [2020-10-12 18:29:07,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:07,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:29:07,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:07,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-12 18:29:07,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:07,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:07,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:08,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:08,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-12 18:29:08,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:08,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 488 [2020-10-12 18:29:08,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:08,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:29:08,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:08,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 18:29:08,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:08,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:08,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:08,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:08,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-12 18:29:08,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:08,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 367 [2020-10-12 18:29:08,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:08,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:29:08,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:08,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-12 18:29:08,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:08,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:09,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:09,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:09,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 18:29:09,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:09,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 315 [2020-10-12 18:29:09,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:09,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:29:09,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:09,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 18:29:09,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:09,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:09,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:09,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:09,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:09,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:29:09,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:09,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-10-12 18:29:09,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:09,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:29:09,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:09,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 18:29:09,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:09,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:09,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:09,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:09,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 18:29:09,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:09,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-12 18:29:09,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:09,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:29:09,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:09,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 18:29:09,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:09,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:09,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:10,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:10,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-12 18:29:10,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:10,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-12 18:29:10,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:10,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:29:10,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:10,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:29:10,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:10,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:10,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:10,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:10,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 18:29:10,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:10,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-12 18:29:10,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:10,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:29:10,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:10,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 18:29:10,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:10,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:10,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:10,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:10,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 18:29:10,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:10,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-12 18:29:10,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:10,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:29:10,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:10,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 18:29:10,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:10,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:10,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:10,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:10,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 18:29:10,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:10,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 18:29:10,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:10,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:29:10,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:10,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 18:29:10,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:10,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:10,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:10,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:10,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:29:10,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:10,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 18:29:10,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:10,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:29:10,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:10,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 18:29:10,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:10,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:10,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:10,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:10,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 18:29:10,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:10,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 18:29:10,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:10,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:29:10,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:10,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:29:10,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:11,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:11,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:11,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:11,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:29:11,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:11,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:29:11,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:11,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:29:11,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:11,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:29:11,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:29:11,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:11,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:11,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:11,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:29:11,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:11,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:29:11,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:11,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:29:11,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:11,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:29:11,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:29:11,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2020-10-12 18:29:11,388 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1489634034] [2020-10-12 18:29:11,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:29:11,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2020-10-12 18:29:11,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058156479] [2020-10-12 18:29:11,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 53 states [2020-10-12 18:29:11,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:29:11,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2020-10-12 18:29:11,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=2653, Unknown=0, NotChecked=0, Total=2756 [2020-10-12 18:29:11,390 INFO L87 Difference]: Start difference. First operand 87 states and 88 transitions. Second operand 53 states. [2020-10-12 18:29:12,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:29:12,559 INFO L93 Difference]: Finished difference Result 94 states and 95 transitions. [2020-10-12 18:29:12,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-12 18:29:12,559 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 157 [2020-10-12 18:29:12,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:29:12,561 INFO L225 Difference]: With dead ends: 94 [2020-10-12 18:29:12,561 INFO L226 Difference]: Without dead ends: 90 [2020-10-12 18:29:12,563 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=103, Invalid=2653, Unknown=0, NotChecked=0, Total=2756 [2020-10-12 18:29:12,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-10-12 18:29:12,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2020-10-12 18:29:12,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-12 18:29:12,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 91 transitions. [2020-10-12 18:29:12,567 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 91 transitions. Word has length 157 [2020-10-12 18:29:12,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:29:12,568 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 91 transitions. [2020-10-12 18:29:12,568 INFO L480 AbstractCegarLoop]: Interpolant automaton has 53 states. [2020-10-12 18:29:12,568 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 91 transitions. [2020-10-12 18:29:12,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-12 18:29:12,569 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:29:12,569 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:29:12,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-12 18:29:12,569 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:29:12,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:29:12,570 INFO L82 PathProgramCache]: Analyzing trace with hash -975000849, now seen corresponding path program 25 times [2020-10-12 18:29:12,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:29:12,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [555312120] [2020-10-12 18:29:12,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:29:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:12,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:16,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:16,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-12 18:29:16,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:16,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4301 [2020-10-12 18:29:16,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:16,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-12 18:29:16,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-12 18:29:16,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-12 18:29:16,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:16,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:29:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:16,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:16,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:16,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:29:16,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:16,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:29:16,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:16,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:29:16,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:16,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:29:16,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:16,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:29:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:16,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:20,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:20,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-12 18:29:20,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:20,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3916 [2020-10-12 18:29:20,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:20,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-12 18:29:20,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:20,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-12 18:29:20,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:20,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:20,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:24,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:24,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-12 18:29:24,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:24,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3573 [2020-10-12 18:29:24,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:24,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-12 18:29:24,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:24,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-10-12 18:29:24,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:24,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:24,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:27,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:27,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-12 18:29:27,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:27,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3040 [2020-10-12 18:29:27,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:27,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-12 18:29:27,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:27,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-10-12 18:29:27,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:27,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:27,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:30,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:30,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-12 18:29:30,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:30,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2642 [2020-10-12 18:29:30,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:30,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-12 18:29:30,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:30,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-12 18:29:30,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:30,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:30,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:32,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:32,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-12 18:29:32,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:32,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2327 [2020-10-12 18:29:32,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:32,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-12 18:29:32,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:32,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-12 18:29:32,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:32,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:32,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:34,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:34,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-12 18:29:34,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:34,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2019 [2020-10-12 18:29:34,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:34,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-12 18:29:34,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:34,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-12 18:29:34,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:34,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:34,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:36,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:36,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-12 18:29:36,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:36,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1731 [2020-10-12 18:29:36,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:36,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-12 18:29:36,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:36,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-12 18:29:36,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:36,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:36,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:38,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:38,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 18:29:38,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:38,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1520 [2020-10-12 18:29:38,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:38,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-12 18:29:38,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:38,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-12 18:29:38,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:38,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:38,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:39,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:39,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-12 18:29:39,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:39,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1252 [2020-10-12 18:29:39,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:39,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 18:29:39,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:39,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-12 18:29:39,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:39,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:39,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:40,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:40,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-12 18:29:40,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:40,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1126 [2020-10-12 18:29:40,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:40,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 18:29:40,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:40,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 18:29:40,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:40,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:40,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:41,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:41,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 18:29:41,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:41,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 889 [2020-10-12 18:29:41,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:41,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 18:29:41,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:41,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 18:29:41,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:41,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:41,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:42,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:42,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-12 18:29:42,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:42,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 759 [2020-10-12 18:29:42,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:42,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:29:42,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:42,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 18:29:42,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:42,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:42,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:43,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:43,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-12 18:29:43,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:43,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 576 [2020-10-12 18:29:43,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:43,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:29:43,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:43,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-12 18:29:43,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:43,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:43,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:43,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:43,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-12 18:29:43,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:43,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 471 [2020-10-12 18:29:43,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:43,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:29:43,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:43,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 18:29:43,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:43,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:43,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:44,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:44,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-12 18:29:44,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:44,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 374 [2020-10-12 18:29:44,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:44,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:29:44,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:44,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-12 18:29:44,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:29:44,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:44,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:44,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:44,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 18:29:44,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:44,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 280 [2020-10-12 18:29:44,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:44,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:29:44,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:44,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 18:29:44,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:44,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:44,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:45,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:45,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:29:45,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:45,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-10-12 18:29:45,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:45,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:29:45,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:45,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 18:29:45,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:45,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:45,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:45,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:45,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 18:29:45,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:45,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-12 18:29:45,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:45,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:29:45,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:45,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 18:29:45,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:45,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:45,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:45,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:45,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-12 18:29:45,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:45,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-12 18:29:45,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:45,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:29:45,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:45,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:29:45,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:45,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:45,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:45,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:45,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 18:29:45,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:45,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-12 18:29:45,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:45,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:29:45,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:45,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 18:29:45,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:45,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:45,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:45,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:45,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 18:29:45,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:45,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-12 18:29:45,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:45,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:29:45,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:45,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 18:29:45,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:46,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:46,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:46,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:46,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 18:29:46,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:46,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 18:29:46,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:46,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:29:46,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:46,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 18:29:46,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:46,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:46,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:46,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:46,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:29:46,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:46,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 18:29:46,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:46,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:29:46,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:46,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 18:29:46,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:46,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:46,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:46,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:46,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 18:29:46,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:46,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 18:29:46,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:46,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:29:46,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:46,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:29:46,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:46,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:46,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:46,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:46,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:29:46,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:46,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:29:46,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:46,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:29:46,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:46,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:29:46,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:29:46,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:29:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:29:46,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:29:46,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:29:46,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:29:46,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:29:46,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:29:46,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:29:46,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:29:46,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:29:46,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:29:46,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:29:46,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1900 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2020-10-12 18:29:46,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [555312120] [2020-10-12 18:29:46,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:29:46,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2020-10-12 18:29:46,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741605157] [2020-10-12 18:29:46,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 55 states [2020-10-12 18:29:46,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:29:46,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2020-10-12 18:29:46,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=2863, Unknown=0, NotChecked=0, Total=2970 [2020-10-12 18:29:46,871 INFO L87 Difference]: Start difference. First operand 90 states and 91 transitions. Second operand 55 states.