/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=DEEPEST --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 language data_model -i ../../../trunk/examples/svcomp/recursive-simple/id_i25_o25-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 22:38:06,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 22:38:06,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 22:38:06,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 22:38:06,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 22:38:06,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 22:38:06,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 22:38:06,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 22:38:06,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 22:38:06,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 22:38:06,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 22:38:06,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 22:38:06,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 22:38:06,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 22:38:06,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 22:38:06,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 22:38:06,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 22:38:06,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 22:38:06,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 22:38:06,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 22:38:06,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 22:38:06,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 22:38:06,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 22:38:06,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 22:38:06,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 22:38:06,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 22:38:06,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 22:38:06,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 22:38:06,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 22:38:06,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 22:38:06,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 22:38:06,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 22:38:06,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 22:38:06,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 22:38:06,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 22:38:06,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 22:38:06,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 22:38:06,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 22:38:06,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 22:38:06,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 22:38:06,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 22:38:06,848 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 [2020-10-27 22:38:06,895 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 22:38:06,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 22:38:06,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 22:38:06,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 22:38:06,900 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 22:38:06,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 22:38:06,901 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 22:38:06,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 22:38:06,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 22:38:06,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 22:38:06,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 22:38:06,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 22:38:06,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 22:38:06,903 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 22:38:06,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 22:38:06,903 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 22:38:06,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 22:38:06,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 22:38:06,904 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 22:38:06,904 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 22:38:06,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 22:38:06,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:38:06,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 22:38:06,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 22:38:06,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 22:38:06,905 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 22:38:06,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 22:38:06,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 22:38:06,906 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 22:38:06,906 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 22:38:07,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 22:38:07,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 22:38:07,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 22:38:07,357 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 22:38:07,358 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 22:38:07,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/id_i25_o25-1.c [2020-10-27 22:38:07,436 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/44c9ff932/25494de7844045a89fb64171dbc15f4b/FLAG9b9dfac18 [2020-10-27 22:38:07,987 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 22:38:07,988 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/id_i25_o25-1.c [2020-10-27 22:38:07,995 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/44c9ff932/25494de7844045a89fb64171dbc15f4b/FLAG9b9dfac18 [2020-10-27 22:38:08,373 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/44c9ff932/25494de7844045a89fb64171dbc15f4b [2020-10-27 22:38:08,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 22:38:08,386 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 22:38:08,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 22:38:08,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 22:38:08,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 22:38:08,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:38:08" (1/1) ... [2020-10-27 22:38:08,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aa4103a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:08, skipping insertion in model container [2020-10-27 22:38:08,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:38:08" (1/1) ... [2020-10-27 22:38:08,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 22:38:08,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 22:38:08,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:38:08,586 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 22:38:08,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:38:08,621 INFO L208 MainTranslator]: Completed translation [2020-10-27 22:38:08,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:08 WrapperNode [2020-10-27 22:38:08,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 22:38:08,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 22:38:08,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 22:38:08,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 22:38:08,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:08" (1/1) ... [2020-10-27 22:38:08,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:08" (1/1) ... [2020-10-27 22:38:08,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:08" (1/1) ... [2020-10-27 22:38:08,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:08" (1/1) ... [2020-10-27 22:38:08,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:08" (1/1) ... [2020-10-27 22:38:08,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:08" (1/1) ... [2020-10-27 22:38:08,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:08" (1/1) ... [2020-10-27 22:38:08,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 22:38:08,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 22:38:08,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 22:38:08,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 22:38:08,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:08" (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 [2020-10-27 22:38:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 22:38:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 22:38:08,743 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 22:38:08,743 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2020-10-27 22:38:08,744 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 22:38:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 22:38:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 22:38:08,745 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 22:38:08,745 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 22:38:08,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 22:38:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure id [2020-10-27 22:38:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 22:38:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 22:38:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 22:38:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 22:38:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 22:38:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 22:38:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 22:38:09,022 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 22:38:09,023 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 22:38:09,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:38:09 BoogieIcfgContainer [2020-10-27 22:38:09,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 22:38:09,027 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 22:38:09,027 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 22:38:09,031 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 22:38:09,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:38:08" (1/3) ... [2020-10-27 22:38:09,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d24f5b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:38:09, skipping insertion in model container [2020-10-27 22:38:09,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:08" (2/3) ... [2020-10-27 22:38:09,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d24f5b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:38:09, skipping insertion in model container [2020-10-27 22:38:09,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:38:09" (3/3) ... [2020-10-27 22:38:09,034 INFO L111 eAbstractionObserver]: Analyzing ICFG id_i25_o25-1.c [2020-10-27 22:38:09,047 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 22:38:09,053 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 22:38:09,070 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 22:38:09,126 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 22:38:09,128 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 22:38:09,128 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 22:38:09,128 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 22:38:09,129 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 22:38:09,129 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 22:38:09,129 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 22:38:09,129 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 22:38:09,168 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2020-10-27 22:38:09,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-27 22:38:09,184 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:09,185 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:09,186 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:09,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:09,201 INFO L82 PathProgramCache]: Analyzing trace with hash 560135365, now seen corresponding path program 1 times [2020-10-27 22:38:09,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:09,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [767288264] [2020-10-27 22:38:09,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:09,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:09,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:09,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:38:09,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:09,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 294 [2020-10-27 22:38:09,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:09,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:38:09,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:38:09,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:38:09,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 22:38:09,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:09,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:09,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:09,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:09,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:09,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 22:38:09,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:09,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:09,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:09,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:09,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:09,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:09,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:09,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:09,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:09,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:09,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:38:09,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:09,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:38:09,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:09,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:38:09,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:09,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:38:09,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [767288264] [2020-10-27 22:38:09,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:38:09,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 22:38:09,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673240864] [2020-10-27 22:38:09,865 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:38:09,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:09,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:38:09,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:38:09,882 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 6 states. [2020-10-27 22:38:10,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:10,215 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2020-10-27 22:38:10,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 22:38:10,217 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-27 22:38:10,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:10,225 INFO L225 Difference]: With dead ends: 36 [2020-10-27 22:38:10,226 INFO L226 Difference]: Without dead ends: 20 [2020-10-27 22:38:10,229 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:38:10,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-10-27 22:38:10,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-10-27 22:38:10,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-10-27 22:38:10,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2020-10-27 22:38:10,274 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 15 [2020-10-27 22:38:10,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:10,274 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2020-10-27 22:38:10,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:38:10,275 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2020-10-27 22:38:10,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-27 22:38:10,276 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:10,277 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:10,277 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 22:38:10,277 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:10,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:10,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1295611761, now seen corresponding path program 1 times [2020-10-27 22:38:10,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:10,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1745560583] [2020-10-27 22:38:10,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:10,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:10,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:10,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:38:10,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:10,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 249 [2020-10-27 22:38:10,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:10,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:38:10,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:38:10,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 22:38:10,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:38:10,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:10,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:10,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:10,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:10,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:10,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:10,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:38:10,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:10,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:10,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:10,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:10,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:10,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:10,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:10,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:10,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:38:10,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:10,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 22:38:10,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:10,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:38:10,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:10,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 22:38:10,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:38:10,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:10,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:10,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:10,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:10,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:10,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:38:10,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:10,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:10,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:10,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:10,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:38:10,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 22:38:10,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1745560583] [2020-10-27 22:38:10,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:10,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 22:38:10,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973195355] [2020-10-27 22:38:10,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:38:10,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:10,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:38:10,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:38:10,823 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 8 states. [2020-10-27 22:38:11,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:11,209 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2020-10-27 22:38:11,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:38:11,210 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2020-10-27 22:38:11,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:11,211 INFO L225 Difference]: With dead ends: 28 [2020-10-27 22:38:11,211 INFO L226 Difference]: Without dead ends: 23 [2020-10-27 22:38:11,213 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:38:11,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-27 22:38:11,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-10-27 22:38:11,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-27 22:38:11,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2020-10-27 22:38:11,222 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 21 [2020-10-27 22:38:11,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:11,223 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2020-10-27 22:38:11,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:38:11,223 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2020-10-27 22:38:11,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-27 22:38:11,225 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:11,225 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:11,225 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 22:38:11,225 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:11,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:11,226 INFO L82 PathProgramCache]: Analyzing trace with hash -116387003, now seen corresponding path program 2 times [2020-10-27 22:38:11,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:11,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [595284165] [2020-10-27 22:38:11,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:11,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:11,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:11,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:38:11,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:11,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-27 22:38:11,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:11,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:38:11,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:38:11,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 22:38:11,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:11,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:11,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:11,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:11,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:11,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:11,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:38:11,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:11,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:11,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:11,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:11,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:38:11,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:11,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:11,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:11,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:38:11,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:11,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 22:38:11,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:11,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:38:11,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:11,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 22:38:11,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:11,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:11,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:11,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:11,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:38:11,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:11,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 22:38:11,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:11,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:11,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:11,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 22:38:11,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:11,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:11,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:11,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:11,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:11,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:11,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:38:11,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:11,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:11,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:11,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:11,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:11,749 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 22:38:11,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [595284165] [2020-10-27 22:38:11,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:11,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 22:38:11,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328194733] [2020-10-27 22:38:11,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:38:11,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:11,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:38:11,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:38:11,753 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 9 states. [2020-10-27 22:38:12,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:12,169 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2020-10-27 22:38:12,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 22:38:12,170 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2020-10-27 22:38:12,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:12,171 INFO L225 Difference]: With dead ends: 31 [2020-10-27 22:38:12,171 INFO L226 Difference]: Without dead ends: 26 [2020-10-27 22:38:12,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-27 22:38:12,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-10-27 22:38:12,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-10-27 22:38:12,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-27 22:38:12,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2020-10-27 22:38:12,180 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 27 [2020-10-27 22:38:12,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:12,180 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2020-10-27 22:38:12,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:38:12,181 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2020-10-27 22:38:12,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-27 22:38:12,182 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:12,182 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:12,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 22:38:12,183 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:12,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:12,183 INFO L82 PathProgramCache]: Analyzing trace with hash -738125937, now seen corresponding path program 3 times [2020-10-27 22:38:12,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:12,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [724082623] [2020-10-27 22:38:12,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:12,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:12,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:12,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:38:12,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:12,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-27 22:38:12,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:12,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:38:12,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:38:12,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 22:38:12,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:12,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:12,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:12,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:12,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:12,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:12,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:38:12,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:12,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:12,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:12,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:12,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:12,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:12,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:12,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:12,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:38:12,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:12,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-27 22:38:12,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:12,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:38:12,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:12,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:38:12,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:12,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:12,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:12,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:12,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:38:12,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:12,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 22:38:12,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:12,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:12,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:12,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:38:12,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:12,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:12,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:12,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:12,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:38:12,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:12,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 22:38:12,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:12,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:12,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:12,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 22:38:12,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:12,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:12,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:12,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:12,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:12,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:12,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:38:12,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:12,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:12,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:12,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:12,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:12,658 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-27 22:38:12,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [724082623] [2020-10-27 22:38:12,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:12,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 22:38:12,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702695301] [2020-10-27 22:38:12,660 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 22:38:12,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:12,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 22:38:12,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:38:12,661 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 10 states. [2020-10-27 22:38:12,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:12,970 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2020-10-27 22:38:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:38:12,971 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 33 [2020-10-27 22:38:12,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:12,972 INFO L225 Difference]: With dead ends: 34 [2020-10-27 22:38:12,972 INFO L226 Difference]: Without dead ends: 29 [2020-10-27 22:38:12,973 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:38:12,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-27 22:38:12,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-10-27 22:38:12,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-27 22:38:12,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2020-10-27 22:38:12,981 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 33 [2020-10-27 22:38:12,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:12,981 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2020-10-27 22:38:12,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 22:38:12,982 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2020-10-27 22:38:12,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-27 22:38:12,983 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:12,983 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:12,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 22:38:12,983 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:12,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:12,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1342585285, now seen corresponding path program 4 times [2020-10-27 22:38:12,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:12,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1787921089] [2020-10-27 22:38:12,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:38:13,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:13,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-10-27 22:38:13,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:38:13,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:38:13,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 22:38:13,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:13,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:13,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:38:13,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:13,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:13,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:13,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:38:13,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:13,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-27 22:38:13,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:38:13,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:13,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-27 22:38:13,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:38:13,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:13,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-27 22:38:13,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:38:13,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:13,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:38:13,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:38:13,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:13,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 22:38:13,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:13,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:13,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:38:13,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:38:13,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:13,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 22:38:13,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:13,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:13,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 22:38:13,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:13,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:13,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:38:13,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:13,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:13,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:13,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,665 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-27 22:38:13,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1787921089] [2020-10-27 22:38:13,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:13,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 22:38:13,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024034349] [2020-10-27 22:38:13,667 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 22:38:13,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:13,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 22:38:13,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:38:13,668 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 12 states. [2020-10-27 22:38:14,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:14,031 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2020-10-27 22:38:14,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 22:38:14,032 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 39 [2020-10-27 22:38:14,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:14,033 INFO L225 Difference]: With dead ends: 37 [2020-10-27 22:38:14,033 INFO L226 Difference]: Without dead ends: 32 [2020-10-27 22:38:14,034 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-10-27 22:38:14,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-27 22:38:14,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-27 22:38:14,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-27 22:38:14,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2020-10-27 22:38:14,042 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 39 [2020-10-27 22:38:14,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:14,043 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2020-10-27 22:38:14,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 22:38:14,043 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2020-10-27 22:38:14,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-27 22:38:14,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:14,044 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:14,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 22:38:14,045 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:14,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:14,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1660180111, now seen corresponding path program 5 times [2020-10-27 22:38:14,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:14,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1287286167] [2020-10-27 22:38:14,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:14,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:14,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:38:14,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:14,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 206 [2020-10-27 22:38:14,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:14,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:38:14,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:38:14,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:38:14,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:14,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:14,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:14,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:14,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:14,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:38:14,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:14,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:14,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:14,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:14,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:14,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:14,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:14,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:38:14,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:14,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-27 22:38:14,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:14,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:38:14,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:14,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-27 22:38:14,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:14,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:14,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:14,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:38:14,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:14,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 22:38:14,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:14,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:38:14,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:14,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:38:14,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:14,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:14,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:14,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:38:14,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:14,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 22:38:14,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:14,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:38:14,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:14,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:38:14,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:14,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:14,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:14,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:38:14,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:14,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 22:38:14,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:14,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:14,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:14,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:38:14,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:14,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:14,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:14,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:38:14,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:14,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 22:38:14,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:14,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:14,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:14,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 22:38:14,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:14,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:14,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:14,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:14,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:14,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:38:14,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:14,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:14,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:14,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:14,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:14,819 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 3 proven. 46 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-27 22:38:14,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1287286167] [2020-10-27 22:38:14,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:14,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 22:38:14,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093486078] [2020-10-27 22:38:14,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 22:38:14,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:14,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 22:38:14,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:38:14,822 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 12 states. [2020-10-27 22:38:15,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:15,266 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2020-10-27 22:38:15,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 22:38:15,267 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 45 [2020-10-27 22:38:15,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:15,268 INFO L225 Difference]: With dead ends: 40 [2020-10-27 22:38:15,268 INFO L226 Difference]: Without dead ends: 35 [2020-10-27 22:38:15,269 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2020-10-27 22:38:15,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-27 22:38:15,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-27 22:38:15,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-27 22:38:15,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2020-10-27 22:38:15,276 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 45 [2020-10-27 22:38:15,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:15,277 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2020-10-27 22:38:15,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 22:38:15,277 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2020-10-27 22:38:15,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-27 22:38:15,278 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:15,278 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:15,279 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 22:38:15,279 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:15,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:15,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1624338501, now seen corresponding path program 6 times [2020-10-27 22:38:15,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:15,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1055318275] [2020-10-27 22:38:15,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:15,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:15,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:15,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:38:15,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:15,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-10-27 22:38:15,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:15,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 22:38:15,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:38:15,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-27 22:38:15,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:15,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:15,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:15,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:15,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:15,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:15,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:38:15,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:15,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:15,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:15,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:15,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:15,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:15,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:15,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:15,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:38:15,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:15,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-27 22:38:15,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:15,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 22:38:15,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:15,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 22:38:15,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:15,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:15,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:15,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:15,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:38:15,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:15,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-27 22:38:15,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:15,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:38:15,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:15,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 22:38:15,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:15,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:15,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:15,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:15,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:38:15,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:15,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-27 22:38:15,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:15,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:38:15,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:15,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:38:15,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:15,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:16,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:16,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:16,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:38:16,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:16,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 22:38:16,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:16,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:38:16,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:16,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:38:16,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:16,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:16,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:16,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:16,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:38:16,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:16,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 22:38:16,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:16,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:16,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:16,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:38:16,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:16,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:16,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:16,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:16,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:38:16,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:16,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 22:38:16,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:16,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:16,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:16,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 22:38:16,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:16,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:16,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:16,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:16,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:16,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:16,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:38:16,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:16,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:16,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:16,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:16,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:16,204 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 14 proven. 61 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-10-27 22:38:16,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1055318275] [2020-10-27 22:38:16,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:16,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 22:38:16,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677376928] [2020-10-27 22:38:16,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 22:38:16,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:16,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 22:38:16,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:38:16,207 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 13 states. [2020-10-27 22:38:16,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:16,676 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2020-10-27 22:38:16,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 22:38:16,676 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 51 [2020-10-27 22:38:16,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:16,677 INFO L225 Difference]: With dead ends: 43 [2020-10-27 22:38:16,678 INFO L226 Difference]: Without dead ends: 38 [2020-10-27 22:38:16,680 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2020-10-27 22:38:16,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-27 22:38:16,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-10-27 22:38:16,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-27 22:38:16,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2020-10-27 22:38:16,691 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 51 [2020-10-27 22:38:16,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:16,692 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2020-10-27 22:38:16,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 22:38:16,693 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2020-10-27 22:38:16,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-27 22:38:16,695 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:16,695 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:16,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 22:38:16,695 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:16,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:16,696 INFO L82 PathProgramCache]: Analyzing trace with hash 502547855, now seen corresponding path program 7 times [2020-10-27 22:38:16,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:16,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [371840767] [2020-10-27 22:38:16,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:16,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:17,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:38:17,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:17,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 312 [2020-10-27 22:38:17,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:17,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 22:38:17,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:38:17,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 22:38:17,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:17,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:17,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:17,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:17,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:17,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:38:17,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:17,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:17,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:17,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:17,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:17,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:17,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:17,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:38:17,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:17,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-27 22:38:17,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:17,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 22:38:17,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:17,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-27 22:38:17,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:17,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:17,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:17,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:38:17,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:17,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-27 22:38:17,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:17,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:38:17,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:17,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:38:17,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:38:17,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:17,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:17,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:38:17,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:17,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-27 22:38:17,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:17,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:38:17,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:17,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 22:38:17,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:17,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:17,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:17,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:38:17,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:17,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-27 22:38:17,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:17,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:38:17,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:17,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:38:17,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:17,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:17,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:17,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:38:17,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:17,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-27 22:38:17,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:17,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:38:17,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:17,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:38:17,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:17,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:17,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:17,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:38:17,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:17,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 22:38:17,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:17,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:17,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:17,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:38:17,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:17,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:17,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:17,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:38:17,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:17,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 22:38:17,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:17,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:17,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:17,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 22:38:17,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:17,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:17,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:17,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:17,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:17,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:38:17,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:17,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:17,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:17,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:17,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:38:17,952 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-10-27 22:38:17,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [371840767] [2020-10-27 22:38:17,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:17,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 22:38:17,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646648614] [2020-10-27 22:38:17,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 22:38:17,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:17,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 22:38:17,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-27 22:38:17,955 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand 14 states. [2020-10-27 22:38:18,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:18,450 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2020-10-27 22:38:18,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 22:38:18,453 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 57 [2020-10-27 22:38:18,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:18,454 INFO L225 Difference]: With dead ends: 46 [2020-10-27 22:38:18,454 INFO L226 Difference]: Without dead ends: 41 [2020-10-27 22:38:18,455 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=175, Invalid=377, Unknown=0, NotChecked=0, Total=552 [2020-10-27 22:38:18,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-27 22:38:18,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-10-27 22:38:18,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-27 22:38:18,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2020-10-27 22:38:18,462 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 57 [2020-10-27 22:38:18,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:18,462 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2020-10-27 22:38:18,462 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 22:38:18,462 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2020-10-27 22:38:18,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-27 22:38:18,463 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:18,464 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:18,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 22:38:18,464 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:18,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:18,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1459767611, now seen corresponding path program 8 times [2020-10-27 22:38:18,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:18,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1172078739] [2020-10-27 22:38:18,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:18,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:18,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:18,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:38:18,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:18,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 363 [2020-10-27 22:38:18,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:18,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-27 22:38:18,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:38:18,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-27 22:38:18,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:18,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:18,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:18,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:18,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:18,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:18,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:38:18,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:18,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:18,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:18,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:18,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:18,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:18,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:19,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:19,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:38:19,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:19,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-10-27 22:38:19,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:19,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-27 22:38:19,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:19,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 22:38:19,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:19,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:19,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:19,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:19,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:38:19,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:19,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-27 22:38:19,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:19,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:38:19,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:19,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 22:38:19,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:19,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:19,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:19,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:19,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:38:19,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:19,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-27 22:38:19,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:19,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:38:19,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:19,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:38:19,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:19,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:19,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:19,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:19,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:38:19,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:19,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-27 22:38:19,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:19,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:38:19,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:19,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 22:38:19,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:19,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:19,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:19,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:19,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:38:19,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:19,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-27 22:38:19,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:19,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:38:19,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:19,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:38:19,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:19,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:19,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:19,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:19,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:38:19,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:19,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-27 22:38:19,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:19,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:38:19,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:19,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:38:19,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:19,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:19,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:19,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:19,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:19,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:38:19,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:19,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 22:38:19,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:38:19,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:19,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:19,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:20,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:20,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:38:20,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:20,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 22:38:20,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:20,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:20,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:20,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 22:38:20,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:20,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:20,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:20,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:20,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:20,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:20,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:38:20,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:20,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:20,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:20,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:20,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:20,104 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 23 proven. 126 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-27 22:38:20,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1172078739] [2020-10-27 22:38:20,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:20,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 22:38:20,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117726650] [2020-10-27 22:38:20,106 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 22:38:20,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:20,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 22:38:20,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-27 22:38:20,107 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand 17 states. [2020-10-27 22:38:20,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:20,829 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2020-10-27 22:38:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 22:38:20,833 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 63 [2020-10-27 22:38:20,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:20,834 INFO L225 Difference]: With dead ends: 49 [2020-10-27 22:38:20,835 INFO L226 Difference]: Without dead ends: 44 [2020-10-27 22:38:20,837 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=238, Invalid=518, Unknown=0, NotChecked=0, Total=756 [2020-10-27 22:38:20,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-27 22:38:20,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-10-27 22:38:20,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-27 22:38:20,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 45 transitions. [2020-10-27 22:38:20,845 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 45 transitions. Word has length 63 [2020-10-27 22:38:20,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:20,846 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 45 transitions. [2020-10-27 22:38:20,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 22:38:20,846 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2020-10-27 22:38:20,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-27 22:38:20,847 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:20,847 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:20,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 22:38:20,848 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:20,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:20,848 INFO L82 PathProgramCache]: Analyzing trace with hash 273998991, now seen corresponding path program 9 times [2020-10-27 22:38:20,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:20,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1586281561] [2020-10-27 22:38:20,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:20,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:21,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:38:21,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:21,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 504 [2020-10-27 22:38:21,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:21,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-27 22:38:21,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:38:21,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 22:38:21,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:38:21,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:21,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:21,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:21,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:21,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:38:21,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:21,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:21,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:21,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:21,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:38:21,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:21,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:21,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:38:21,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:21,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 251 [2020-10-27 22:38:21,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:21,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-27 22:38:21,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:21,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:38:21,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:21,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:21,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:21,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:38:21,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:21,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-10-27 22:38:21,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:21,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:38:21,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:21,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 22:38:21,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:22,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:22,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:22,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:38:22,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:22,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-27 22:38:22,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:22,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:38:22,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:22,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 22:38:22,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:22,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:22,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:22,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:38:22,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:22,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-27 22:38:22,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:22,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:38:22,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:22,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:38:22,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:22,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:22,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:22,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:38:22,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:22,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-27 22:38:22,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:22,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:38:22,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:22,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 22:38:22,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:38:22,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:22,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:22,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:38:22,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:22,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-27 22:38:22,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:22,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:38:22,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:22,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:38:22,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:22,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:22,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:22,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:38:22,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:22,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 22:38:22,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:22,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:38:22,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:22,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:38:22,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:22,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:22,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:22,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:38:22,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:22,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 22:38:22,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:22,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:22,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:22,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:38:22,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:22,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:22,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:22,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:38:22,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:22,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:38:22,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:22,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:22,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:22,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 22:38:22,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:22,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:22,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:22,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:22,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:22,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:38:22,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:22,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:22,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:22,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:22,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:22,856 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 24 proven. 144 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-27 22:38:22,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1586281561] [2020-10-27 22:38:22,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:22,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 22:38:22,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135096749] [2020-10-27 22:38:22,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 22:38:22,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:22,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 22:38:22,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:38:22,859 INFO L87 Difference]: Start difference. First operand 44 states and 45 transitions. Second operand 16 states. [2020-10-27 22:38:23,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:23,434 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2020-10-27 22:38:23,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 22:38:23,435 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 69 [2020-10-27 22:38:23,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:23,440 INFO L225 Difference]: With dead ends: 52 [2020-10-27 22:38:23,440 INFO L226 Difference]: Without dead ends: 47 [2020-10-27 22:38:23,441 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=244, Invalid=512, Unknown=0, NotChecked=0, Total=756 [2020-10-27 22:38:23,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-27 22:38:23,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-10-27 22:38:23,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-10-27 22:38:23,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2020-10-27 22:38:23,453 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 69 [2020-10-27 22:38:23,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:23,453 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2020-10-27 22:38:23,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 22:38:23,454 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2020-10-27 22:38:23,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-27 22:38:23,456 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:23,456 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:23,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 22:38:23,456 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:23,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:23,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1458107067, now seen corresponding path program 10 times [2020-10-27 22:38:23,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:23,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [368885870] [2020-10-27 22:38:23,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:23,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:23,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:23,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 22:38:23,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:23,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 405 [2020-10-27 22:38:23,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:23,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 22:38:23,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:38:23,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-27 22:38:23,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:23,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:23,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:23,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:23,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:23,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:23,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:38:23,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:23,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:23,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:23,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:23,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:23,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:23,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:24,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:38:24,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:24,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 257 [2020-10-27 22:38:24,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:24,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 22:38:24,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:24,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-27 22:38:24,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:24,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:24,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:24,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:38:24,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:24,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-10-27 22:38:24,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:24,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:38:24,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:24,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 22:38:24,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:24,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:24,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:24,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:38:24,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:24,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-27 22:38:24,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:24,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:38:24,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:24,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 22:38:24,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:24,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:24,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:24,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:38:24,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:24,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-27 22:38:24,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:24,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:38:24,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:24,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 22:38:24,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:24,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:24,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:25,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:25,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:38:25,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:25,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-27 22:38:25,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:25,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:38:25,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:25,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:38:25,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:25,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:25,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:25,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:25,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:38:25,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:25,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-27 22:38:25,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:25,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:38:25,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:25,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 22:38:25,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:25,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:25,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:25,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:25,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:38:25,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:25,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 22:38:25,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:25,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:38:25,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:25,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:38:25,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:25,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:25,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:25,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:25,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:38:25,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:25,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 22:38:25,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:25,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:38:25,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:25,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:38:25,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:25,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:25,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:25,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:25,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:38:25,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:25,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 22:38:25,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:25,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:25,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:25,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:38:25,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:25,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:25,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:25,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:25,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:38:25,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:25,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:38:25,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:25,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:25,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:25,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 22:38:25,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:25,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:25,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:25,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:25,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:25,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:25,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:38:25,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:25,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:25,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:25,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:25,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:25,509 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 24 proven. 185 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-10-27 22:38:25,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [368885870] [2020-10-27 22:38:25,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:25,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 22:38:25,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244890988] [2020-10-27 22:38:25,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 22:38:25,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:25,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 22:38:25,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2020-10-27 22:38:25,511 INFO L87 Difference]: Start difference. First operand 47 states and 48 transitions. Second operand 18 states. [2020-10-27 22:38:26,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:26,316 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2020-10-27 22:38:26,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 22:38:26,317 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 75 [2020-10-27 22:38:26,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:26,318 INFO L225 Difference]: With dead ends: 55 [2020-10-27 22:38:26,318 INFO L226 Difference]: Without dead ends: 50 [2020-10-27 22:38:26,319 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=301, Invalid=629, Unknown=0, NotChecked=0, Total=930 [2020-10-27 22:38:26,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-10-27 22:38:26,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2020-10-27 22:38:26,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-27 22:38:26,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2020-10-27 22:38:26,326 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 51 transitions. Word has length 75 [2020-10-27 22:38:26,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:26,327 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 51 transitions. [2020-10-27 22:38:26,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 22:38:26,327 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2020-10-27 22:38:26,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-27 22:38:26,328 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:26,328 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:26,329 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 22:38:26,329 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:26,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:26,329 INFO L82 PathProgramCache]: Analyzing trace with hash -764791921, now seen corresponding path program 11 times [2020-10-27 22:38:26,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:26,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1294009470] [2020-10-27 22:38:26,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:26,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:26,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:26,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 22:38:26,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:26,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 497 [2020-10-27 22:38:26,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:26,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-27 22:38:26,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:38:26,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 22:38:26,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:26,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:26,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:26,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:26,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:26,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:26,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:38:26,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:26,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:26,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:26,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:26,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:26,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:26,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:27,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:27,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:38:27,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:27,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 292 [2020-10-27 22:38:27,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:27,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-27 22:38:27,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:27,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-27 22:38:27,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:27,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:27,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:27,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:27,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:38:27,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:27,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 312 [2020-10-27 22:38:27,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:27,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:38:27,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:27,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 22:38:27,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:27,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:27,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:27,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:27,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:38:27,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:27,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-10-27 22:38:27,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:27,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:38:27,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:27,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 22:38:27,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:27,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:27,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:28,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:38:28,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:28,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-10-27 22:38:28,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:28,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:38:28,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:28,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 22:38:28,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:28,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:28,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:28,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:38:28,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:28,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-27 22:38:28,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:28,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:38:28,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:28,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 22:38:28,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:28,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:28,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:28,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:38:28,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:28,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-27 22:38:28,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:28,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:38:28,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:28,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:38:28,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:28,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:28,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:28,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:38:28,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:28,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 22:38:28,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:28,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:38:28,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:28,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 22:38:28,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:28,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:28,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:28,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:38:28,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:28,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-27 22:38:28,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:28,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:38:28,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:28,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:38:28,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:28,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:28,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:28,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:38:28,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:28,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 22:38:28,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:28,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:38:28,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:28,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:38:28,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:28,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:28,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:28,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:38:28,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:28,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 22:38:28,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:28,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:28,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:28,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:38:28,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:28,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:28,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:28,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:38:28,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:28,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:38:28,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:28,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:28,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:28,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 22:38:28,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:28,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:28,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:28,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:28,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:28,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:38:28,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:28,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:28,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:28,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:28,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:28,822 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 52 proven. 211 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2020-10-27 22:38:28,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1294009470] [2020-10-27 22:38:28,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:28,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-27 22:38:28,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325971655] [2020-10-27 22:38:28,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 22:38:28,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:28,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 22:38:28,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2020-10-27 22:38:28,824 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. Second operand 19 states. [2020-10-27 22:38:29,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:29,579 INFO L93 Difference]: Finished difference Result 58 states and 59 transitions. [2020-10-27 22:38:29,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 22:38:29,580 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 81 [2020-10-27 22:38:29,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:29,581 INFO L225 Difference]: With dead ends: 58 [2020-10-27 22:38:29,581 INFO L226 Difference]: Without dead ends: 53 [2020-10-27 22:38:29,586 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=341, Invalid=715, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 22:38:29,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-27 22:38:29,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-10-27 22:38:29,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-27 22:38:29,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 54 transitions. [2020-10-27 22:38:29,597 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 54 transitions. Word has length 81 [2020-10-27 22:38:29,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:29,597 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 54 transitions. [2020-10-27 22:38:29,597 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 22:38:29,597 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2020-10-27 22:38:29,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-27 22:38:29,598 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:29,598 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:29,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 22:38:29,599 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:29,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:29,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1532398651, now seen corresponding path program 12 times [2020-10-27 22:38:29,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:29,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [508334545] [2020-10-27 22:38:29,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:29,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:30,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:30,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 22:38:30,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:30,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 704 [2020-10-27 22:38:30,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:30,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-27 22:38:30,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:38:30,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-27 22:38:30,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:38:30,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:30,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:30,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:30,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:30,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:30,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:38:30,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:30,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:30,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:30,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:30,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:38:30,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:30,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:30,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:30,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 22:38:30,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:30,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 470 [2020-10-27 22:38:30,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:30,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-27 22:38:30,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:30,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-27 22:38:30,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:30,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:30,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:31,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:31,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:38:31,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:31,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 325 [2020-10-27 22:38:31,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:31,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 22:38:31,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:31,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 22:38:31,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:31,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:31,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:31,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:31,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:38:31,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:31,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 256 [2020-10-27 22:38:31,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:31,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:38:31,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:31,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 22:38:31,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:31,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:31,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:31,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:31,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:38:31,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:31,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 262 [2020-10-27 22:38:31,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:31,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:38:31,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:31,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 22:38:31,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:31,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:31,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:31,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:32,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:32,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:38:32,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:32,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-10-27 22:38:32,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:32,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:38:32,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:32,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 22:38:32,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:32,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:32,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:32,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:32,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:38:32,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:32,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-27 22:38:32,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:32,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:38:32,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:32,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 22:38:32,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:32,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:32,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:32,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:32,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:38:32,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:32,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-27 22:38:32,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:32,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:38:32,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:32,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:38:32,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:32,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:32,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:32,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:32,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:38:32,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:32,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 22:38:32,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:32,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:38:32,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:32,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 22:38:32,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:32,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:32,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:32,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:32,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:38:32,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:32,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 22:38:32,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:32,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:38:32,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:32,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:38:32,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:32,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:32,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:32,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:32,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:38:32,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:32,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 22:38:32,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:32,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:38:32,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:32,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:38:32,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:32,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:32,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:32,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:32,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:38:32,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:32,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 22:38:32,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:32,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:32,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:32,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:38:32,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:38:32,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:32,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:32,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:32,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:38:32,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:32,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:38:32,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:32,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:32,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:32,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 22:38:32,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:32,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:32,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:32,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:32,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:32,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:32,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:38:32,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:32,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:32,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:32,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:32,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:32,879 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 38 proven. 262 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-27 22:38:32,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [508334545] [2020-10-27 22:38:32,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:32,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-27 22:38:32,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199366237] [2020-10-27 22:38:32,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 22:38:32,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:32,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 22:38:32,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2020-10-27 22:38:32,886 INFO L87 Difference]: Start difference. First operand 53 states and 54 transitions. Second operand 19 states. [2020-10-27 22:38:33,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:33,616 INFO L93 Difference]: Finished difference Result 61 states and 62 transitions. [2020-10-27 22:38:33,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 22:38:33,617 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 87 [2020-10-27 22:38:33,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:33,618 INFO L225 Difference]: With dead ends: 61 [2020-10-27 22:38:33,618 INFO L226 Difference]: Without dead ends: 56 [2020-10-27 22:38:33,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=370, Invalid=752, Unknown=0, NotChecked=0, Total=1122 [2020-10-27 22:38:33,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-27 22:38:33,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-10-27 22:38:33,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-10-27 22:38:33,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 57 transitions. [2020-10-27 22:38:33,635 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 57 transitions. Word has length 87 [2020-10-27 22:38:33,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:33,636 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 57 transitions. [2020-10-27 22:38:33,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 22:38:33,637 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2020-10-27 22:38:33,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-27 22:38:33,640 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:33,640 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:33,640 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 22:38:33,640 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:33,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:33,641 INFO L82 PathProgramCache]: Analyzing trace with hash -913821041, now seen corresponding path program 13 times [2020-10-27 22:38:33,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:33,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [136346082] [2020-10-27 22:38:33,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:33,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:34,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:34,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-27 22:38:34,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:34,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 530 [2020-10-27 22:38:34,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:34,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-27 22:38:34,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:38:34,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 22:38:34,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:34,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:34,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:34,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:34,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:34,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:34,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:38:34,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:34,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:34,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:34,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:34,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:34,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:34,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:34,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:34,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 22:38:34,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:34,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 365 [2020-10-27 22:38:34,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:34,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-27 22:38:34,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:34,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-27 22:38:34,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:34,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:34,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:35,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:35,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 22:38:35,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:35,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 332 [2020-10-27 22:38:35,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:35,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 22:38:35,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:35,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-27 22:38:35,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:35,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:35,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:35,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:35,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:38:35,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:35,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-10-27 22:38:35,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:35,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 22:38:35,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:35,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 22:38:35,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:35,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:35,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:35,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:35,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:38:35,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:35,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 288 [2020-10-27 22:38:35,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:35,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:38:35,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:35,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 22:38:35,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:35,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:35,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:35,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:35,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:38:35,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:35,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-10-27 22:38:35,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:35,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:38:35,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:35,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 22:38:35,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:35,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:35,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:36,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:38:36,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:36,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-27 22:38:36,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:36,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:38:36,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:36,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 22:38:36,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:36,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:36,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:36,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:38:36,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:36,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-27 22:38:36,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:36,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:38:36,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:36,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 22:38:36,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:36,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:36,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:36,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:38:36,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:36,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 22:38:36,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:36,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:38:36,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:36,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:38:36,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:36,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:36,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:36,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:38:36,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:36,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-27 22:38:36,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:36,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:38:36,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:36,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 22:38:36,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:36,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:36,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:36,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:38:36,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:36,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 22:38:36,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:36,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:38:36,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:36,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:38:36,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:36,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:36,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:36,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:38:36,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:36,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 22:38:36,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:36,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:38:36,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:36,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:38:36,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:36,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:36,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:36,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:38:36,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:36,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 22:38:36,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:36,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:36,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:36,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:38:36,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:36,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:36,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:36,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:38:36,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:36,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:38:36,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:36,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:36,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:36,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 22:38:36,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:36,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:36,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:36,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:36,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:36,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:38:36,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:36,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:36,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:36,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:36,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:36,752 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 30 proven. 306 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2020-10-27 22:38:36,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [136346082] [2020-10-27 22:38:36,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:36,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 22:38:36,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280431419] [2020-10-27 22:38:36,754 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 22:38:36,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:36,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 22:38:36,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=251, Unknown=0, NotChecked=0, Total=380 [2020-10-27 22:38:36,755 INFO L87 Difference]: Start difference. First operand 56 states and 57 transitions. Second operand 20 states. [2020-10-27 22:38:37,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:37,650 INFO L93 Difference]: Finished difference Result 64 states and 65 transitions. [2020-10-27 22:38:37,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 22:38:37,650 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 93 [2020-10-27 22:38:37,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:37,651 INFO L225 Difference]: With dead ends: 64 [2020-10-27 22:38:37,651 INFO L226 Difference]: Without dead ends: 59 [2020-10-27 22:38:37,653 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=418, Invalid=842, Unknown=0, NotChecked=0, Total=1260 [2020-10-27 22:38:37,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-27 22:38:37,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-10-27 22:38:37,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-27 22:38:37,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 60 transitions. [2020-10-27 22:38:37,659 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 60 transitions. Word has length 93 [2020-10-27 22:38:37,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:37,660 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 60 transitions. [2020-10-27 22:38:37,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 22:38:37,660 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2020-10-27 22:38:37,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-27 22:38:37,663 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:37,664 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:37,664 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 22:38:37,664 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:37,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:37,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1648421445, now seen corresponding path program 14 times [2020-10-27 22:38:37,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:37,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [786719441] [2020-10-27 22:38:37,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:37,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 22:38:38,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 466 [2020-10-27 22:38:38,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-27 22:38:38,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:38:38,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-27 22:38:38,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:38,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:38:38,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:38,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:38,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 22:38:38,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 499 [2020-10-27 22:38:38,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-27 22:38:38,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:38,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-27 22:38:38,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:39,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:39,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 22:38:39,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:39,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 393 [2020-10-27 22:38:39,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:39,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 22:38:39,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:39,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-27 22:38:39,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:39,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:39,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:39,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:39,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 22:38:39,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:39,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-10-27 22:38:39,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:39,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 22:38:39,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:39,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-27 22:38:39,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:39,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:39,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:39,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:39,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:38:39,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:39,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 238 [2020-10-27 22:38:39,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:39,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 22:38:39,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:39,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 22:38:39,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:39,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:39,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:39,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:39,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:38:39,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:39,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-10-27 22:38:39,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:39,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:38:39,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:39,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 22:38:39,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:39,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:39,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:40,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:40,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:38:40,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:40,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-27 22:38:40,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:40,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:38:40,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:40,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 22:38:40,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:40,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:40,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:40,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:40,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:38:40,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:40,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-27 22:38:40,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:40,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:38:40,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:40,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 22:38:40,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:40,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:40,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:40,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:40,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:38:40,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:40,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-27 22:38:40,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:40,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:38:40,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:40,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 22:38:40,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:40,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:40,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:40,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:40,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:38:40,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:40,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-27 22:38:40,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:40,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:38:40,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:40,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:38:40,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:40,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:40,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:40,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:40,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:38:40,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:40,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-27 22:38:40,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:40,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:38:40,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:40,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 22:38:40,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:40,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:40,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:40,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:40,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:38:40,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:40,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-27 22:38:40,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:40,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:38:40,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:40,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:38:40,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:38:40,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:40,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:40,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:40,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:38:40,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:40,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 22:38:40,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:40,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:38:40,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:40,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:38:40,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:38:40,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:40,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:40,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:40,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:38:40,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:40,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 22:38:40,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:40,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:40,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:40,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:38:40,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:38:40,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:40,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:40,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:40,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:38:40,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:40,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 22:38:40,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:40,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:40,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:40,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 22:38:40,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:38:40,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:40,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:40,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:40,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:40,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:40,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:40,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:38:40,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:40,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:40,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:40,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:40,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:38:41,100 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 49 proven. 351 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2020-10-27 22:38:41,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [786719441] [2020-10-27 22:38:41,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:41,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-27 22:38:41,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126791745] [2020-10-27 22:38:41,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-27 22:38:41,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:41,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-27 22:38:41,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=275, Unknown=0, NotChecked=0, Total=420 [2020-10-27 22:38:41,104 INFO L87 Difference]: Start difference. First operand 59 states and 60 transitions. Second operand 21 states. [2020-10-27 22:38:42,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:42,003 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2020-10-27 22:38:42,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 22:38:42,004 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 99 [2020-10-27 22:38:42,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:42,005 INFO L225 Difference]: With dead ends: 67 [2020-10-27 22:38:42,005 INFO L226 Difference]: Without dead ends: 62 [2020-10-27 22:38:42,006 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=469, Invalid=937, Unknown=0, NotChecked=0, Total=1406 [2020-10-27 22:38:42,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-27 22:38:42,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-10-27 22:38:42,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-27 22:38:42,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 63 transitions. [2020-10-27 22:38:42,013 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 63 transitions. Word has length 99 [2020-10-27 22:38:42,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:42,013 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 63 transitions. [2020-10-27 22:38:42,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-27 22:38:42,014 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 63 transitions. [2020-10-27 22:38:42,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-27 22:38:42,014 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:42,015 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:42,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 22:38:42,015 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:42,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:42,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1745019279, now seen corresponding path program 15 times [2020-10-27 22:38:42,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:42,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1508247459] [2020-10-27 22:38:42,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:42,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:42,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:42,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 22:38:42,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:42,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 476 [2020-10-27 22:38:42,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:42,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-27 22:38:42,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:38:42,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-27 22:38:42,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:42,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:42,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:42,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:42,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:42,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:42,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:42,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:42,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:42,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:42,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:42,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:42,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:42,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:42,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:42,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-27 22:38:42,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:42,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 339 [2020-10-27 22:38:42,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:42,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-27 22:38:42,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:42,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-27 22:38:42,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:42,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:42,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:43,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 22:38:43,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:43,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 513 [2020-10-27 22:38:43,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:43,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 22:38:43,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:43,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-27 22:38:43,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:43,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:43,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:43,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 22:38:43,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:43,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 364 [2020-10-27 22:38:43,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:43,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 22:38:43,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:43,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-27 22:38:43,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:43,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:43,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:44,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 22:38:44,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:44,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-10-27 22:38:44,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:44,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 22:38:44,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:44,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-27 22:38:44,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:44,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:44,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:44,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:38:44,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:44,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-10-27 22:38:44,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:44,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 22:38:44,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:44,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 22:38:44,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:44,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:44,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:44,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:38:44,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:44,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-27 22:38:44,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:44,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:38:44,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:44,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 22:38:44,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:44,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:44,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:44,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:38:44,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:44,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-27 22:38:44,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:44,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:38:44,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:44,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 22:38:44,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:44,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:44,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:44,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:38:44,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:44,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-27 22:38:44,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:44,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:38:44,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:44,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 22:38:44,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:44,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:44,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:45,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:45,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:38:45,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:45,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-27 22:38:45,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:45,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:38:45,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:45,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 22:38:45,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:45,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:45,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:45,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:45,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:38:45,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:45,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-27 22:38:45,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:45,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:38:45,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:45,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:38:45,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:45,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:45,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:45,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:45,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:45,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:38:45,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:45,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-27 22:38:45,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:45,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:38:45,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:45,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 22:38:45,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 22:38:45,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:45,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:45,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:45,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:38:45,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:45,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 22:38:45,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:45,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:38:45,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:45,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:38:45,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:45,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:45,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:45,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:45,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:38:45,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:45,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 22:38:45,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:45,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:38:45,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:45,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:38:45,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:45,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:45,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:45,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:45,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:38:45,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:45,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 22:38:45,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:45,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:45,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:45,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:38:45,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:45,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:45,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:45,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:45,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:38:45,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:45,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:38:45,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:45,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:45,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:45,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 22:38:45,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:45,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:45,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:45,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:45,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:45,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:45,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:45,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:45,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:45,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:45,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:45,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:45,688 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 74 proven. 402 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2020-10-27 22:38:45,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1508247459] [2020-10-27 22:38:45,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:45,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-27 22:38:45,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923719381] [2020-10-27 22:38:45,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-27 22:38:45,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:45,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-27 22:38:45,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2020-10-27 22:38:45,691 INFO L87 Difference]: Start difference. First operand 62 states and 63 transitions. Second operand 23 states. [2020-10-27 22:38:46,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:46,679 INFO L93 Difference]: Finished difference Result 70 states and 71 transitions. [2020-10-27 22:38:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 22:38:46,680 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 105 [2020-10-27 22:38:46,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:46,681 INFO L225 Difference]: With dead ends: 70 [2020-10-27 22:38:46,681 INFO L226 Difference]: Without dead ends: 65 [2020-10-27 22:38:46,683 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=543, Invalid=1097, Unknown=0, NotChecked=0, Total=1640 [2020-10-27 22:38:46,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-27 22:38:46,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-10-27 22:38:46,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-27 22:38:46,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 66 transitions. [2020-10-27 22:38:46,690 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 66 transitions. Word has length 105 [2020-10-27 22:38:46,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:46,690 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 66 transitions. [2020-10-27 22:38:46,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-27 22:38:46,690 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2020-10-27 22:38:46,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-27 22:38:46,692 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:46,692 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:46,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 22:38:46,692 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:46,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:46,693 INFO L82 PathProgramCache]: Analyzing trace with hash -345411387, now seen corresponding path program 16 times [2020-10-27 22:38:46,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:46,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [366981877] [2020-10-27 22:38:46,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:46,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:47,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:47,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 22:38:47,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:47,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 595 [2020-10-27 22:38:47,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:47,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-27 22:38:47,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:38:47,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-27 22:38:47,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:47,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:47,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:47,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:47,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:47,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:47,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:38:47,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:47,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:47,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:47,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:47,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:47,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:47,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:47,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:47,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 22:38:47,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:47,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 361 [2020-10-27 22:38:47,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:47,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-27 22:38:47,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:47,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-27 22:38:47,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:47,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:47,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:48,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:48,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-27 22:38:48,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:48,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 378 [2020-10-27 22:38:48,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:48,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 22:38:48,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:48,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-27 22:38:48,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:48,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:48,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:48,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:48,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 22:38:48,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:48,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-10-27 22:38:48,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:48,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 22:38:48,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:48,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-27 22:38:48,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:48,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:48,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:48,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:48,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:48,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 22:38:48,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:48,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 252 [2020-10-27 22:38:48,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:48,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 22:38:48,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:48,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-27 22:38:48,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:48,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:48,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:49,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 22:38:49,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:49,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 270 [2020-10-27 22:38:49,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:49,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 22:38:49,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:49,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-27 22:38:49,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:49,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:49,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:49,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:49,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:38:49,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:49,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-10-27 22:38:49,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:49,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 22:38:49,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:49,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 22:38:49,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:49,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:49,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:49,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:38:49,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:49,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-27 22:38:49,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:49,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:38:49,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:49,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 22:38:49,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:49,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:49,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:49,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:38:49,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:49,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-27 22:38:49,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:49,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:38:49,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:49,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 22:38:49,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:49,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:49,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:49,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:38:49,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:49,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-27 22:38:49,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:49,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:38:49,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:49,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 22:38:49,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:49,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:49,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:49,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:38:49,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:49,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-27 22:38:49,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:49,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:38:49,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:49,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 22:38:49,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-27 22:38:49,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:49,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:50,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:50,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:38:50,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:50,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 22:38:50,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:50,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:38:50,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:50,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:38:50,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:50,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:50,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:50,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:50,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:38:50,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:50,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 22:38:50,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:50,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:38:50,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:50,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 22:38:50,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:50,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:50,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:50,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:50,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:38:50,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:50,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 22:38:50,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:50,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:38:50,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:50,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:38:50,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:50,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:50,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:50,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:50,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:38:50,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:50,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 22:38:50,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:50,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:38:50,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:50,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:38:50,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:50,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:50,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:50,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:50,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:38:50,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:50,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 22:38:50,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:50,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:50,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:50,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:38:50,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:50,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:50,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:50,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:50,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:38:50,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:50,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:38:50,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:50,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:50,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:50,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 22:38:50,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:50,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:50,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:50,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:50,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:50,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:50,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:50,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:50,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:50,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:50,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:50,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:50,438 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 14 proven. 436 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2020-10-27 22:38:50,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [366981877] [2020-10-27 22:38:50,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:50,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-27 22:38:50,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731869609] [2020-10-27 22:38:50,440 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-27 22:38:50,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:50,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-27 22:38:50,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=326, Unknown=0, NotChecked=0, Total=506 [2020-10-27 22:38:50,442 INFO L87 Difference]: Start difference. First operand 65 states and 66 transitions. Second operand 23 states. [2020-10-27 22:38:51,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:51,476 INFO L93 Difference]: Finished difference Result 73 states and 74 transitions. [2020-10-27 22:38:51,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 22:38:51,476 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 111 [2020-10-27 22:38:51,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:51,478 INFO L225 Difference]: With dead ends: 73 [2020-10-27 22:38:51,478 INFO L226 Difference]: Without dead ends: 68 [2020-10-27 22:38:51,480 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=580, Invalid=1142, Unknown=0, NotChecked=0, Total=1722 [2020-10-27 22:38:51,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-27 22:38:51,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-10-27 22:38:51,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-27 22:38:51,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 69 transitions. [2020-10-27 22:38:51,486 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 69 transitions. Word has length 111 [2020-10-27 22:38:51,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:51,487 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 69 transitions. [2020-10-27 22:38:51,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-27 22:38:51,487 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2020-10-27 22:38:51,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-27 22:38:51,488 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:51,488 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:51,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 22:38:51,489 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:51,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:51,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1831747727, now seen corresponding path program 17 times [2020-10-27 22:38:51,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:51,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [480455583] [2020-10-27 22:38:51,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:51,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:52,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:52,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-27 22:38:52,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:52,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 695 [2020-10-27 22:38:52,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:52,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-27 22:38:52,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:38:52,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-27 22:38:52,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:52,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:52,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:52,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:52,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:52,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:52,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:52,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:52,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:52,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:52,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:52,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:52,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:52,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:52,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:52,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 22:38:52,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:52,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 406 [2020-10-27 22:38:52,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:52,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-27 22:38:52,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:52,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-27 22:38:52,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:52,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:52,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:53,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:53,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 22:38:53,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:53,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 377 [2020-10-27 22:38:53,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:53,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 22:38:53,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:53,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-27 22:38:53,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:53,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:53,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:53,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:53,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-27 22:38:53,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:53,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 371 [2020-10-27 22:38:53,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:53,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 22:38:53,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:53,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-27 22:38:53,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:53,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:53,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:53,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:53,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 22:38:53,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:53,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 271 [2020-10-27 22:38:53,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:53,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 22:38:53,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:53,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-27 22:38:53,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:53,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:53,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:54,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:54,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 22:38:54,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:54,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 243 [2020-10-27 22:38:54,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:54,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 22:38:54,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:54,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-27 22:38:54,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:54,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:54,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:54,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:54,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 22:38:54,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:54,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-10-27 22:38:54,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:54,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 22:38:54,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:54,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-27 22:38:54,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:54,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:54,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:54,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:54,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:38:54,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:54,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-10-27 22:38:54,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:54,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 22:38:54,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:54,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 22:38:54,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:54,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:54,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:54,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:54,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:38:54,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:54,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-10-27 22:38:54,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:54,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:38:54,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:54,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 22:38:54,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:54,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:54,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:54,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:54,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:38:54,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:54,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-27 22:38:54,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:54,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:38:54,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:54,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 22:38:54,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:54,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:54,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:55,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:55,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:38:55,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:55,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-27 22:38:55,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:55,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:38:55,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:55,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 22:38:55,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:55,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:55,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:55,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:55,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:38:55,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:55,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 22:38:55,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:55,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:38:55,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:55,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 22:38:55,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:55,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:55,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:55,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:55,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:38:55,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:55,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-27 22:38:55,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:55,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:38:55,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:55,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:38:55,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:55,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:55,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:55,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:55,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:38:55,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:55,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 22:38:55,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:55,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:38:55,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:55,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 22:38:55,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:55,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:55,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:55,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:55,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:38:55,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:55,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 22:38:55,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:55,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:38:55,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:55,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:38:55,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:55,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:55,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:55,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:55,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:38:55,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:55,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 22:38:55,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:55,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:38:55,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:55,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:38:55,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:55,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:55,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:55,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:55,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:38:55,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:55,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 22:38:55,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:55,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:55,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:55,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:38:55,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:55,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:55,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:55,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:55,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:38:55,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:55,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 22:38:55,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:55,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:55,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:55,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 22:38:55,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:55,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:55,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:55,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:55,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:55,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:55,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:38:55,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:55,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:55,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:55,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:55,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:55,775 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 38 proven. 572 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2020-10-27 22:38:55,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [480455583] [2020-10-27 22:38:55,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:55,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-27 22:38:55,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545509795] [2020-10-27 22:38:55,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-27 22:38:55,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:55,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-27 22:38:55,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=398, Unknown=0, NotChecked=0, Total=600 [2020-10-27 22:38:55,778 INFO L87 Difference]: Start difference. First operand 68 states and 69 transitions. Second operand 25 states. [2020-10-27 22:38:56,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:56,895 INFO L93 Difference]: Finished difference Result 76 states and 77 transitions. [2020-10-27 22:38:56,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 22:38:56,896 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 117 [2020-10-27 22:38:56,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:56,897 INFO L225 Difference]: With dead ends: 76 [2020-10-27 22:38:56,897 INFO L226 Difference]: Without dead ends: 71 [2020-10-27 22:38:56,899 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=662, Invalid=1318, Unknown=0, NotChecked=0, Total=1980 [2020-10-27 22:38:56,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-27 22:38:56,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-10-27 22:38:56,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-27 22:38:56,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 72 transitions. [2020-10-27 22:38:56,905 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 72 transitions. Word has length 117 [2020-10-27 22:38:56,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:56,905 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 72 transitions. [2020-10-27 22:38:56,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-27 22:38:56,906 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2020-10-27 22:38:56,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-27 22:38:56,907 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:56,907 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:56,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-27 22:38:56,907 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:56,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:56,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1286539077, now seen corresponding path program 18 times [2020-10-27 22:38:56,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:56,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1362513296] [2020-10-27 22:38:56,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:56,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:57,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:57,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-27 22:38:57,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:57,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 655 [2020-10-27 22:38:57,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:57,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-27 22:38:57,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:38:57,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 22:38:57,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:57,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:57,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:57,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:57,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:57,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:57,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:57,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:57,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:57,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:57,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:57,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:57,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:57,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:58,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:58,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 22:38:58,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:58,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 482 [2020-10-27 22:38:58,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:58,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-27 22:38:58,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:58,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-27 22:38:58,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:58,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:58,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:58,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:58,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 22:38:58,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:58,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 410 [2020-10-27 22:38:58,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:58,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-27 22:38:58,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:58,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-27 22:38:58,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:58,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:58,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:58,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:58,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 22:38:58,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:58,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 382 [2020-10-27 22:38:58,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:58,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 22:38:58,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:58,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-27 22:38:58,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:59,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:59,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:59,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:59,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-27 22:38:59,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:59,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 361 [2020-10-27 22:38:59,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:59,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 22:38:59,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:59,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-27 22:38:59,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:59,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:59,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:59,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:59,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 22:38:59,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:59,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 285 [2020-10-27 22:38:59,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:59,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 22:38:59,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:59,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-27 22:38:59,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:59,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:59,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:00,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:00,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 22:39:00,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:00,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 355 [2020-10-27 22:39:00,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:00,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 22:39:00,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:00,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-27 22:39:00,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:00,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:00,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:00,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:00,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 22:39:00,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:00,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-10-27 22:39:00,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:00,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 22:39:00,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:00,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-27 22:39:00,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:00,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:00,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:00,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:00,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:39:00,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:00,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 296 [2020-10-27 22:39:00,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:00,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 22:39:00,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:00,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 22:39:00,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:00,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:00,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:00,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:00,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:39:00,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:00,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-10-27 22:39:00,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:00,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:39:00,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:00,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 22:39:00,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:00,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:00,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:01,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:39:01,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:01,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-27 22:39:01,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:01,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:39:01,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:01,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 22:39:01,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:01,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:01,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:01,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:39:01,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:01,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-27 22:39:01,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:01,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:39:01,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 22:39:01,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:01,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:01,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:01,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:39:01,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:01,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-27 22:39:01,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:01,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:39:01,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:01,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 22:39:01,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:01,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:01,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:01,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:39:01,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:01,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-27 22:39:01,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:01,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:39:01,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:01,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:39:01,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:01,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:01,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:01,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:39:01,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:01,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 22:39:01,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:01,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:39:01,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:01,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 22:39:01,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:01,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:01,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:01,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:39:01,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:01,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 22:39:01,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:01,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:39:01,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:01,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:39:01,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:01,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:01,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:01,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:39:01,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:01,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 22:39:01,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:01,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:39:01,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:01,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:39:01,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:01,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:01,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:01,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:39:01,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:01,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:39:01,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:01,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:39:01,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:01,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:39:01,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:01,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:01,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:01,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:39:01,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:01,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:39:01,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:01,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:39:01,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:01,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 22:39:01,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:01,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:01,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:01,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:01,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:01,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:01,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:01,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:39:01,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:01,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:39:01,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:01,856 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 111 proven. 549 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2020-10-27 22:39:01,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1362513296] [2020-10-27 22:39:01,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:39:01,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-27 22:39:01,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519293827] [2020-10-27 22:39:01,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-27 22:39:01,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:39:01,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-27 22:39:01,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=381, Unknown=0, NotChecked=0, Total=600 [2020-10-27 22:39:01,858 INFO L87 Difference]: Start difference. First operand 71 states and 72 transitions. Second operand 25 states. [2020-10-27 22:39:03,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:39:03,002 INFO L93 Difference]: Finished difference Result 79 states and 80 transitions. [2020-10-27 22:39:03,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 22:39:03,003 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 123 [2020-10-27 22:39:03,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:39:03,004 INFO L225 Difference]: With dead ends: 79 [2020-10-27 22:39:03,004 INFO L226 Difference]: Without dead ends: 74 [2020-10-27 22:39:03,006 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=703, Invalid=1367, Unknown=0, NotChecked=0, Total=2070 [2020-10-27 22:39:03,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-27 22:39:03,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-10-27 22:39:03,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-27 22:39:03,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 75 transitions. [2020-10-27 22:39:03,011 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 75 transitions. Word has length 123 [2020-10-27 22:39:03,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:39:03,012 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 75 transitions. [2020-10-27 22:39:03,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-27 22:39:03,012 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 75 transitions. [2020-10-27 22:39:03,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-27 22:39:03,013 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:39:03,014 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:39:03,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-27 22:39:03,014 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:39:03,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:39:03,014 INFO L82 PathProgramCache]: Analyzing trace with hash 626937743, now seen corresponding path program 19 times [2020-10-27 22:39:03,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:39:03,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [967951333] [2020-10-27 22:39:03,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:39:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:03,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:03,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:03,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-27 22:39:03,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:03,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 752 [2020-10-27 22:39:03,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:03,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-27 22:39:03,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:39:03,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-27 22:39:03,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:03,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:39:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:03,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:03,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:03,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:39:03,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:03,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:39:03,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:03,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:03,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:03,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:03,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:03,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:39:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:03,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:04,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:04,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-27 22:39:04,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:04,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 550 [2020-10-27 22:39:04,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:04,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-27 22:39:04,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:39:04,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-10-27 22:39:04,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:04,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:04,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:04,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:04,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 22:39:04,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:04,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 487 [2020-10-27 22:39:04,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:04,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-27 22:39:04,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:04,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-27 22:39:04,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:04,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:04,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:05,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:05,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 22:39:05,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:05,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 433 [2020-10-27 22:39:05,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:05,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-27 22:39:05,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:05,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-27 22:39:05,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:05,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:05,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:05,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:05,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 22:39:05,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:05,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 372 [2020-10-27 22:39:05,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:05,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 22:39:05,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:05,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-27 22:39:05,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:05,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:05,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:06,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-27 22:39:06,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:06,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 322 [2020-10-27 22:39:06,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:06,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 22:39:06,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:06,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-27 22:39:06,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:06,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:06,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:06,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 22:39:06,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:06,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 283 [2020-10-27 22:39:06,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:06,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 22:39:06,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:06,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-27 22:39:06,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:06,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:06,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:06,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 22:39:06,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:06,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-10-27 22:39:06,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:06,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 22:39:06,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:06,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-27 22:39:06,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:06,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:06,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:07,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 22:39:07,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:07,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 335 [2020-10-27 22:39:07,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:07,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 22:39:07,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:07,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-27 22:39:07,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:07,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:07,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:07,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:39:07,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:07,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-27 22:39:07,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:07,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 22:39:07,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:07,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 22:39:07,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:07,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:07,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:07,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:39:07,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:07,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-27 22:39:07,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:07,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:39:07,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:07,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 22:39:07,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:07,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:07,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:07,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:39:07,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:07,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-10-27 22:39:07,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:07,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:39:07,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:07,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 22:39:07,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:07,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:07,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:07,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:39:07,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:07,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-27 22:39:07,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:07,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:39:07,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:07,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 22:39:07,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:07,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:07,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:08,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:08,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:39:08,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:08,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-27 22:39:08,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:08,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:39:08,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:08,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 22:39:08,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:08,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:08,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:08,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:08,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:39:08,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:08,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 22:39:08,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:08,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:39:08,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:08,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:39:08,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:08,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:08,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:08,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:08,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:39:08,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:08,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 22:39:08,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:08,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:39:08,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:08,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 22:39:08,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:08,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:08,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:08,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:08,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:39:08,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:08,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 22:39:08,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:08,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:39:08,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:08,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:39:08,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:08,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:08,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:08,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:08,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:39:08,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:08,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 22:39:08,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:08,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:39:08,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:08,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:39:08,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:08,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:08,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:08,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:08,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:39:08,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:08,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 22:39:08,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:08,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:39:08,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:08,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:39:08,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:08,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:08,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:08,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:08,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:39:08,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:08,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:39:08,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:08,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:39:08,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:08,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 22:39:08,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:39:08,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:08,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:08,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:08,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:08,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:08,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:39:08,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:08,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:39:08,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:08,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:39:08,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:39:08,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 81 proven. 677 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2020-10-27 22:39:08,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [967951333] [2020-10-27 22:39:08,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:39:08,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-27 22:39:08,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170345725] [2020-10-27 22:39:08,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-27 22:39:08,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:39:08,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-27 22:39:08,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=243, Invalid=459, Unknown=0, NotChecked=0, Total=702 [2020-10-27 22:39:08,615 INFO L87 Difference]: Start difference. First operand 74 states and 75 transitions. Second operand 27 states. [2020-10-27 22:39:09,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:39:09,832 INFO L93 Difference]: Finished difference Result 82 states and 83 transitions. [2020-10-27 22:39:09,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 22:39:09,832 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 129 [2020-10-27 22:39:09,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:39:09,834 INFO L225 Difference]: With dead ends: 82 [2020-10-27 22:39:09,834 INFO L226 Difference]: Without dead ends: 77 [2020-10-27 22:39:09,835 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=793, Invalid=1559, Unknown=0, NotChecked=0, Total=2352 [2020-10-27 22:39:09,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-27 22:39:09,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2020-10-27 22:39:09,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-27 22:39:09,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 78 transitions. [2020-10-27 22:39:09,840 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 78 transitions. Word has length 129 [2020-10-27 22:39:09,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:39:09,841 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 78 transitions. [2020-10-27 22:39:09,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-27 22:39:09,841 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2020-10-27 22:39:09,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-27 22:39:09,843 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:39:09,843 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:39:09,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-27 22:39:09,843 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:39:09,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:39:09,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1436396997, now seen corresponding path program 20 times [2020-10-27 22:39:09,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:39:09,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1601557372] [2020-10-27 22:39:09,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:39:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:10,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:10,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-27 22:39:10,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:10,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 969 [2020-10-27 22:39:10,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:10,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-27 22:39:10,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:39:10,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-27 22:39:10,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:10,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:39:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:10,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:10,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:10,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:39:10,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:10,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:10,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:10,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:10,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:10,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:10,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:10,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:39:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:10,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:11,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:11,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-27 22:39:11,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:11,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 571 [2020-10-27 22:39:11,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:11,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-27 22:39:11,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:39:11,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-27 22:39:11,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:11,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:11,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:12,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:12,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-27 22:39:12,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:12,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 666 [2020-10-27 22:39:12,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:12,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-27 22:39:12,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:12,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-10-27 22:39:12,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:12,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:12,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:12,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:12,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 22:39:12,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:12,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 489 [2020-10-27 22:39:12,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:12,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-27 22:39:12,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:12,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-27 22:39:12,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:12,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:12,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:13,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:13,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 22:39:13,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:13,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 509 [2020-10-27 22:39:13,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:13,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-27 22:39:13,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:13,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-27 22:39:13,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:13,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:13,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:13,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:13,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 22:39:13,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:13,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 368 [2020-10-27 22:39:13,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:13,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 22:39:13,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:13,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-27 22:39:13,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:13,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:13,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:14,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:14,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-27 22:39:14,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:14,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 320 [2020-10-27 22:39:14,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:14,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 22:39:14,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:14,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-27 22:39:14,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:14,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:14,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:14,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:14,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 22:39:14,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:14,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 327 [2020-10-27 22:39:14,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:14,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 22:39:14,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:14,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-27 22:39:14,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:14,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:14,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:14,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:14,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 22:39:14,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:14,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-10-27 22:39:14,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:14,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 22:39:14,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:14,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-27 22:39:14,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:14,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:14,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:14,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:14,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 22:39:14,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:14,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-10-27 22:39:14,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:14,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 22:39:14,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:14,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-27 22:39:14,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:15,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:15,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:15,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:15,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:39:15,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:15,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-10-27 22:39:15,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:15,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 22:39:15,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:15,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 22:39:15,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:15,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:15,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:15,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:15,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:39:15,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:15,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-27 22:39:15,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:15,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:39:15,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:15,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 22:39:15,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:15,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:15,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:15,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:15,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:39:15,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:15,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-27 22:39:15,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:15,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:39:15,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:15,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 22:39:15,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:15,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:15,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:15,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:15,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:39:15,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:15,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-27 22:39:15,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:15,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:39:15,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:15,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 22:39:15,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:15,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:15,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:15,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:15,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:39:15,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:15,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 22:39:15,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:15,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:39:15,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:15,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 22:39:15,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:15,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:15,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:15,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:15,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:39:15,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:15,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 22:39:15,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:15,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:39:15,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:15,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:39:15,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:15,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:15,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:15,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:15,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:39:15,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:15,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 22:39:15,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:15,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:39:15,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:15,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 22:39:15,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:39:15,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:15,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:16,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:16,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:39:16,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:16,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-27 22:39:16,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:16,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:39:16,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:16,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:39:16,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:16,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:16,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:16,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:16,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:39:16,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:16,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 22:39:16,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:16,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:39:16,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:16,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:39:16,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:16,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:16,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:16,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:16,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:39:16,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:16,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:39:16,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:16,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:39:16,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:16,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:39:16,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:16,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:16,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:16,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:16,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:39:16,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:16,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:39:16,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:16,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:39:16,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:16,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 22:39:16,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:16,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:16,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:16,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:16,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:16,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:16,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:16,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:16,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:39:16,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:16,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:39:16,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:16,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 116 proven. 720 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2020-10-27 22:39:16,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1601557372] [2020-10-27 22:39:16,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:39:16,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-27 22:39:16,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222505788] [2020-10-27 22:39:16,373 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-27 22:39:16,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:39:16,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-27 22:39:16,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=491, Unknown=0, NotChecked=0, Total=756 [2020-10-27 22:39:16,374 INFO L87 Difference]: Start difference. First operand 77 states and 78 transitions. Second operand 28 states. [2020-10-27 22:39:17,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:39:17,656 INFO L93 Difference]: Finished difference Result 85 states and 86 transitions. [2020-10-27 22:39:17,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 22:39:17,656 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 135 [2020-10-27 22:39:17,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:39:17,658 INFO L225 Difference]: With dead ends: 85 [2020-10-27 22:39:17,658 INFO L226 Difference]: Without dead ends: 80 [2020-10-27 22:39:17,660 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=863, Invalid=1687, Unknown=0, NotChecked=0, Total=2550 [2020-10-27 22:39:17,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-10-27 22:39:17,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2020-10-27 22:39:17,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-27 22:39:17,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 81 transitions. [2020-10-27 22:39:17,666 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 81 transitions. Word has length 135 [2020-10-27 22:39:17,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:39:17,667 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 81 transitions. [2020-10-27 22:39:17,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-27 22:39:17,667 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 81 transitions. [2020-10-27 22:39:17,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-27 22:39:17,668 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:39:17,668 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:39:17,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-27 22:39:17,669 INFO L429 AbstractCegarLoop]: === Iteration 22 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:39:17,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:39:17,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1444475249, now seen corresponding path program 21 times [2020-10-27 22:39:17,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:39:17,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [279549147] [2020-10-27 22:39:17,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:39:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:17,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:18,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:18,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-27 22:39:18,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:18,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 853 [2020-10-27 22:39:18,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:18,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-27 22:39:18,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:39:18,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-27 22:39:18,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:18,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:39:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:18,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:18,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:18,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:39:18,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:18,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:18,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:18,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:18,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:18,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:18,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:18,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:39:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:18,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:19,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:19,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-27 22:39:19,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:19,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 636 [2020-10-27 22:39:19,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:19,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-27 22:39:19,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:39:19,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-27 22:39:19,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:19,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:19,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:19,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:19,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-27 22:39:19,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:19,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 604 [2020-10-27 22:39:19,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:19,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-27 22:39:19,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:19,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-27 22:39:19,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:19,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:19,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:20,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:20,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-27 22:39:20,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:20,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 560 [2020-10-27 22:39:20,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:20,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-27 22:39:20,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:20,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-10-27 22:39:20,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:20,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:20,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:20,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:20,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 22:39:20,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:20,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 477 [2020-10-27 22:39:20,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:20,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-27 22:39:20,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:20,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-27 22:39:20,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:21,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:21,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:21,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:21,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 22:39:21,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:21,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 433 [2020-10-27 22:39:21,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:21,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-27 22:39:21,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:21,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-27 22:39:21,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:21,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:21,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:21,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:21,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 22:39:21,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:21,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 384 [2020-10-27 22:39:21,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:21,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 22:39:21,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:21,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-27 22:39:21,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:21,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:21,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:22,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:22,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-27 22:39:22,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:22,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 320 [2020-10-27 22:39:22,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:22,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 22:39:22,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:22,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-27 22:39:22,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:22,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:22,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:22,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:22,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 22:39:22,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:22,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 281 [2020-10-27 22:39:22,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:22,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 22:39:22,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:22,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-27 22:39:22,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:22,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:22,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:22,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:22,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 22:39:22,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:22,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-10-27 22:39:22,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:22,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 22:39:22,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:22,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-27 22:39:22,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:22,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:22,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:23,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:23,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 22:39:23,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:23,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-10-27 22:39:23,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:23,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 22:39:23,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:23,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-27 22:39:23,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:23,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:23,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:23,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:23,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:39:23,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:23,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-27 22:39:23,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:23,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 22:39:23,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:23,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 22:39:23,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:23,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:23,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:23,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:23,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:39:23,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:23,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-27 22:39:23,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:23,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:39:23,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:23,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 22:39:23,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:23,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:23,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:23,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:23,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:39:23,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:23,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-27 22:39:23,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:23,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:39:23,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:23,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 22:39:23,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:23,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:23,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:23,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:23,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:39:23,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:23,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-27 22:39:23,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:23,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:39:23,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:23,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 22:39:23,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:23,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:23,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:23,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:23,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:39:23,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:23,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 22:39:23,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:23,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:39:23,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:23,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 22:39:23,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:23,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:23,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:23,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:23,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:39:23,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:23,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 22:39:23,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:23,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:39:23,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:23,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:39:23,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:23,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:23,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:23,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:23,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:39:23,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:23,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 22:39:23,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:23,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:39:23,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:23,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 22:39:23,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:24,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:24,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:24,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:24,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:39:24,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:24,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 22:39:24,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:24,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:39:24,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:24,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:39:24,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:24,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:24,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:24,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:24,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:39:24,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:24,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 22:39:24,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:24,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:39:24,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:24,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:39:24,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:24,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:24,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:24,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:24,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:39:24,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:24,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 22:39:24,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:24,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:39:24,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:24,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:39:24,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:24,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:24,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:24,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:24,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:39:24,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:24,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:39:24,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:24,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:39:24,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:24,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 22:39:24,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:24,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:24,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:24,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:24,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:24,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:24,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:39:24,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:24,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:39:24,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:24,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:39:24,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:24,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 140 proven. 768 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2020-10-27 22:39:24,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [279549147] [2020-10-27 22:39:24,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:39:24,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-27 22:39:24,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177922461] [2020-10-27 22:39:24,479 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-27 22:39:24,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:39:24,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-27 22:39:24,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=291, Invalid=521, Unknown=0, NotChecked=0, Total=812 [2020-10-27 22:39:24,481 INFO L87 Difference]: Start difference. First operand 80 states and 81 transitions. Second operand 29 states. [2020-10-27 22:39:25,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:39:25,833 INFO L93 Difference]: Finished difference Result 88 states and 89 transitions. [2020-10-27 22:39:25,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-27 22:39:25,837 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 141 [2020-10-27 22:39:25,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:39:25,838 INFO L225 Difference]: With dead ends: 88 [2020-10-27 22:39:25,838 INFO L226 Difference]: Without dead ends: 83 [2020-10-27 22:39:25,839 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 573 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=939, Invalid=1817, Unknown=0, NotChecked=0, Total=2756 [2020-10-27 22:39:25,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-27 22:39:25,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-10-27 22:39:25,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-27 22:39:25,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 84 transitions. [2020-10-27 22:39:25,845 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 84 transitions. Word has length 141 [2020-10-27 22:39:25,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:39:25,846 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 84 transitions. [2020-10-27 22:39:25,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-27 22:39:25,846 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2020-10-27 22:39:25,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-27 22:39:25,847 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:39:25,848 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:39:25,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-27 22:39:25,848 INFO L429 AbstractCegarLoop]: === Iteration 23 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:39:25,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:39:25,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1489069125, now seen corresponding path program 22 times [2020-10-27 22:39:25,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:39:25,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [558095107] [2020-10-27 22:39:25,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:39:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:25,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:26,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:26,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-27 22:39:26,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:26,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1016 [2020-10-27 22:39:26,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:26,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-27 22:39:26,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:39:26,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-27 22:39:26,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:26,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:39:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:26,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:26,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:26,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:39:26,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:26,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:26,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:26,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:26,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:26,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:26,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:26,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:39:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:26,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:27,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:27,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-27 22:39:27,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:27,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 744 [2020-10-27 22:39:27,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:27,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-27 22:39:27,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:39:27,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-27 22:39:27,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:27,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:27,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:27,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:28,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:28,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-27 22:39:28,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:28,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 717 [2020-10-27 22:39:28,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:28,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-27 22:39:28,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:28,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-10-27 22:39:28,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:28,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:28,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:29,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:29,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-27 22:39:29,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:29,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 622 [2020-10-27 22:39:29,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:29,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-27 22:39:29,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:29,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-27 22:39:29,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:29,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:29,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:29,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:29,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-27 22:39:29,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:29,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 531 [2020-10-27 22:39:29,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:29,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-27 22:39:29,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:29,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-10-27 22:39:29,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:29,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:29,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:30,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:30,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 22:39:30,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:30,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 481 [2020-10-27 22:39:30,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:30,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-27 22:39:30,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:30,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-27 22:39:30,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:30,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:30,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:30,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:30,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 22:39:30,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:30,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 407 [2020-10-27 22:39:30,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:30,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-27 22:39:30,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:30,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-27 22:39:30,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:30,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:30,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:30,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:31,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 22:39:31,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:31,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 384 [2020-10-27 22:39:31,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:31,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 22:39:31,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:31,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-27 22:39:31,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:31,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:31,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:31,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-27 22:39:31,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:31,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 344 [2020-10-27 22:39:31,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:31,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 22:39:31,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:31,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-27 22:39:31,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:31,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:31,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:31,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:31,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 22:39:31,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:31,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 273 [2020-10-27 22:39:31,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:31,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 22:39:31,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:31,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-27 22:39:31,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:31,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:31,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:32,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:32,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 22:39:32,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:32,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-10-27 22:39:32,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:32,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 22:39:32,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:32,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-27 22:39:32,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:32,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:32,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:32,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:32,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 22:39:32,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:32,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-10-27 22:39:32,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:32,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 22:39:32,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:32,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-27 22:39:32,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:32,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:32,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:32,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:32,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:32,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:39:32,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:32,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-10-27 22:39:32,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:32,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 22:39:32,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:32,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 22:39:32,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:32,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:32,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:32,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:32,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:39:32,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:32,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-27 22:39:32,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:32,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:39:32,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:32,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 22:39:32,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:32,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:32,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:32,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:32,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:39:32,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:32,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-27 22:39:32,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:32,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:39:32,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:32,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 22:39:32,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:32,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:32,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:33,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:33,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:39:33,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:33,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-27 22:39:33,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:33,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:39:33,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:33,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 22:39:33,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:33,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:33,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:33,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:33,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:39:33,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:33,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-27 22:39:33,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:33,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:39:33,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:33,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 22:39:33,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:33,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:33,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:33,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:33,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:39:33,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:33,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 22:39:33,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:33,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:39:33,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:33,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:39:33,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:33,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:33,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:33,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:33,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:39:33,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:33,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 22:39:33,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:33,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:39:33,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:33,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 22:39:33,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:33,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:33,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:33,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:33,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:39:33,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:33,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 22:39:33,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:33,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:39:33,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:33,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:39:33,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:33,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:33,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:33,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:33,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:33,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:39:33,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:33,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 22:39:33,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:33,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:39:33,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:33,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:39:33,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:33,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:33,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:33,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:33,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:39:33,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:33,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 22:39:33,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:33,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:39:33,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:33,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:39:33,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:33,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:33,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:33,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:33,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:39:33,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:33,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:39:33,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:33,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:39:33,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:33,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 22:39:33,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:33,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:33,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:33,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:33,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:33,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:33,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:33,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:33,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:39:33,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:33,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:39:33,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:33,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 104 proven. 841 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2020-10-27 22:39:33,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [558095107] [2020-10-27 22:39:33,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:39:33,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-27 22:39:33,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108461303] [2020-10-27 22:39:33,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-27 22:39:33,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:39:33,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-27 22:39:33,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=558, Unknown=0, NotChecked=0, Total=870 [2020-10-27 22:39:33,762 INFO L87 Difference]: Start difference. First operand 83 states and 84 transitions. Second operand 30 states. [2020-10-27 22:39:35,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:39:35,190 INFO L93 Difference]: Finished difference Result 91 states and 92 transitions. [2020-10-27 22:39:35,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-27 22:39:35,191 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 147 [2020-10-27 22:39:35,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:39:35,193 INFO L225 Difference]: With dead ends: 91 [2020-10-27 22:39:35,193 INFO L226 Difference]: Without dead ends: 86 [2020-10-27 22:39:35,195 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 575 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1012, Invalid=1958, Unknown=0, NotChecked=0, Total=2970 [2020-10-27 22:39:35,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-10-27 22:39:35,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2020-10-27 22:39:35,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-27 22:39:35,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 87 transitions. [2020-10-27 22:39:35,202 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 87 transitions. Word has length 147 [2020-10-27 22:39:35,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:39:35,202 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 87 transitions. [2020-10-27 22:39:35,202 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-27 22:39:35,203 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 87 transitions. [2020-10-27 22:39:35,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-27 22:39:35,206 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:39:35,207 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:39:35,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-27 22:39:35,207 INFO L429 AbstractCegarLoop]: === Iteration 24 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:39:35,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:39:35,208 INFO L82 PathProgramCache]: Analyzing trace with hash 555515279, now seen corresponding path program 23 times [2020-10-27 22:39:35,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:39:35,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [888751991] [2020-10-27 22:39:35,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:39:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:35,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:36,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:36,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-27 22:39:36,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:36,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 994 [2020-10-27 22:39:36,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:36,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-27 22:39:36,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:39:36,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-27 22:39:36,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:36,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:39:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:36,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:36,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:36,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:39:36,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:36,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:36,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:36,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:36,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:36,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:36,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:36,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:39:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:36,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:37,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:37,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-27 22:39:37,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:37,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 800 [2020-10-27 22:39:37,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:37,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-27 22:39:37,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:39:37,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-27 22:39:37,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:37,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:37,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:37,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:37,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-27 22:39:37,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:37,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 763 [2020-10-27 22:39:37,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:37,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-27 22:39:37,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:37,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-27 22:39:37,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:37,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:37,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:38,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:38,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-27 22:39:38,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:38,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 687 [2020-10-27 22:39:38,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:38,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-27 22:39:38,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:38,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-10-27 22:39:38,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:38,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:38,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:39,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:39,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-27 22:39:39,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:39,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 606 [2020-10-27 22:39:39,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:39,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-27 22:39:39,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:39,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-27 22:39:39,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:39,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:39,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:39,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:39,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-27 22:39:39,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:39,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 529 [2020-10-27 22:39:39,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:39,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-27 22:39:39,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:39,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-10-27 22:39:39,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:39,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:39,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:40,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:40,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 22:39:40,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:40,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 463 [2020-10-27 22:39:40,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:40,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-27 22:39:40,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:40,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-27 22:39:40,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:40,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:40,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:40,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:40,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 22:39:40,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:40,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 435 [2020-10-27 22:39:40,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:40,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-27 22:39:40,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:40,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-27 22:39:40,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:40,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:40,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:41,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:41,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 22:39:41,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:41,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 364 [2020-10-27 22:39:41,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:41,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 22:39:41,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:41,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-27 22:39:41,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:41,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:41,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:41,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:41,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:41,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-27 22:39:41,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:41,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 340 [2020-10-27 22:39:41,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:41,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 22:39:41,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:41,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-27 22:39:41,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:41,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:41,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:41,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:41,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 22:39:41,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:41,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-10-27 22:39:41,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:41,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 22:39:41,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:41,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-27 22:39:41,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:41,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:41,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:42,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:42,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 22:39:42,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:42,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-10-27 22:39:42,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:42,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 22:39:42,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:42,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-27 22:39:42,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:42,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:42,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:42,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:42,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 22:39:42,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:42,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-10-27 22:39:42,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:42,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 22:39:42,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:42,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-27 22:39:42,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:42,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:42,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:42,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:42,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:42,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:39:42,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:42,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-27 22:39:42,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:42,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 22:39:42,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:42,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 22:39:42,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:42,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:42,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:42,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:42,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:42,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:39:42,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:42,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-27 22:39:42,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:42,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:39:42,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:42,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 22:39:42,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:42,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:42,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:42,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:43,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:43,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:39:43,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:43,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-27 22:39:43,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:43,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:39:43,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:43,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 22:39:43,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:43,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:43,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:43,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:43,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:39:43,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:43,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-27 22:39:43,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:43,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:39:43,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:43,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 22:39:43,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:43,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:43,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:43,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:43,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:39:43,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:43,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-27 22:39:43,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:43,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:39:43,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:43,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 22:39:43,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:43,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:43,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:43,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:43,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:39:43,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:43,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 22:39:43,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:43,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:39:43,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:43,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:39:43,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:43,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:43,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:43,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:43,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:39:43,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:43,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 22:39:43,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:43,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:39:43,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:43,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 22:39:43,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:43,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:43,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:43,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:43,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:39:43,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:43,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 22:39:43,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:43,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:39:43,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:43,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:39:43,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:43,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:43,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:43,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:43,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:39:43,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:43,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 22:39:43,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:43,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:39:43,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:43,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:39:43,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:43,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:43,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:43,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:43,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:39:43,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:43,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 22:39:43,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:43,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:39:43,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:43,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:39:43,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:43,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:43,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:43,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:43,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:39:43,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:43,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:39:43,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:43,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:39:43,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:43,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 22:39:43,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:43,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:43,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:43,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:43,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:43,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:43,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:39:43,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:43,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:39:43,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:43,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:39:43,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:43,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 120 proven. 962 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2020-10-27 22:39:43,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [888751991] [2020-10-27 22:39:43,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:39:43,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-27 22:39:43,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623492102] [2020-10-27 22:39:43,985 INFO L461 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-27 22:39:43,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:39:43,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-27 22:39:43,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=337, Invalid=593, Unknown=0, NotChecked=0, Total=930 [2020-10-27 22:39:43,986 INFO L87 Difference]: Start difference. First operand 86 states and 87 transitions. Second operand 31 states. [2020-10-27 22:39:45,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:39:45,510 INFO L93 Difference]: Finished difference Result 94 states and 95 transitions. [2020-10-27 22:39:45,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 22:39:45,511 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 153 [2020-10-27 22:39:45,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:39:45,513 INFO L225 Difference]: With dead ends: 94 [2020-10-27 22:39:45,513 INFO L226 Difference]: Without dead ends: 89 [2020-10-27 22:39:45,515 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 648 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1091, Invalid=2101, Unknown=0, NotChecked=0, Total=3192 [2020-10-27 22:39:45,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-10-27 22:39:45,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2020-10-27 22:39:45,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-10-27 22:39:45,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 90 transitions. [2020-10-27 22:39:45,520 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 90 transitions. Word has length 153 [2020-10-27 22:39:45,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:39:45,521 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 90 transitions. [2020-10-27 22:39:45,521 INFO L482 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-27 22:39:45,521 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 90 transitions. [2020-10-27 22:39:45,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-27 22:39:45,523 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:39:45,523 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:39:45,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-27 22:39:45,523 INFO L429 AbstractCegarLoop]: === Iteration 25 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:39:45,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:39:45,524 INFO L82 PathProgramCache]: Analyzing trace with hash -341431611, now seen corresponding path program 24 times [2020-10-27 22:39:45,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:39:45,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [155108680] [2020-10-27 22:39:45,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:39:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:45,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:47,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:47,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-27 22:39:47,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:47,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1481 [2020-10-27 22:39:47,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:47,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-27 22:39:47,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:39:47,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-27 22:39:47,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:47,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:39:47,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:47,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:47,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:47,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:39:47,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:47,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:39:47,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:47,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:47,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:47,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:47,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:47,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:39:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:47,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:48,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:48,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-27 22:39:48,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:48,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 987 [2020-10-27 22:39:48,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:48,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-27 22:39:48,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:39:48,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 198 [2020-10-27 22:39:48,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:48,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:48,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:49,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:49,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-27 22:39:49,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:49,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 866 [2020-10-27 22:39:49,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:49,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-27 22:39:49,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:49,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 191 [2020-10-27 22:39:49,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:49,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:49,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:49,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:49,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-27 22:39:49,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:49,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 769 [2020-10-27 22:39:49,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:49,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-27 22:39:49,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:49,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-27 22:39:49,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:49,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:49,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:50,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:50,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-27 22:39:50,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:50,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 690 [2020-10-27 22:39:50,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:50,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-27 22:39:50,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:50,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-10-27 22:39:50,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:50,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:50,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:51,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:51,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-27 22:39:51,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:51,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 608 [2020-10-27 22:39:51,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-27 22:39:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-27 22:39:51,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:51,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:51,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:51,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:51,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-27 22:39:51,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:51,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 543 [2020-10-27 22:39:51,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:51,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-27 22:39:51,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:51,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-10-27 22:39:51,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:51,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:51,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:52,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:52,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 22:39:52,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:52,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 476 [2020-10-27 22:39:52,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:52,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-27 22:39:52,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:52,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-27 22:39:52,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:52,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:52,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:52,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:52,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 22:39:52,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:52,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 414 [2020-10-27 22:39:52,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:52,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-27 22:39:52,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:52,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-27 22:39:52,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:52,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:52,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:53,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:53,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 22:39:53,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:53,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 386 [2020-10-27 22:39:53,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:53,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 22:39:53,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:53,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-27 22:39:53,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:53,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:53,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:53,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:53,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-27 22:39:53,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:53,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 309 [2020-10-27 22:39:53,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:53,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 22:39:53,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:53,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-27 22:39:53,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:53,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:53,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:53,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:53,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 22:39:53,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:53,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269 [2020-10-27 22:39:53,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:53,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 22:39:53,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:53,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-27 22:39:53,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:53,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:53,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:54,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:54,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 22:39:54,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:54,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 221 [2020-10-27 22:39:54,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:54,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 22:39:54,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:54,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-27 22:39:54,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:54,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:54,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:54,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:54,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 22:39:54,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:54,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-10-27 22:39:54,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:54,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 22:39:54,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:54,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-27 22:39:54,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:54,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:54,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:54,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:54,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:39:54,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:54,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-27 22:39:54,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:54,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 22:39:54,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:54,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 22:39:54,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:54,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:54,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:54,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:54,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:39:54,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:54,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-27 22:39:54,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:54,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:39:54,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:54,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 22:39:54,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:54,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:54,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:54,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:54,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:39:54,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:54,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-27 22:39:54,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:54,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:39:54,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:54,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 22:39:54,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:54,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:54,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:55,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:55,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:39:55,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:55,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-27 22:39:55,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:55,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:39:55,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:55,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 22:39:55,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:55,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:55,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:55,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:55,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:39:55,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:55,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-27 22:39:55,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:55,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:39:55,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:55,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 22:39:55,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:55,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:55,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:55,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:55,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:39:55,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:55,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 22:39:55,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:55,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:39:55,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:55,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:39:55,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:55,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:55,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:55,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:55,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:39:55,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:55,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 22:39:55,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:55,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:39:55,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:55,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 22:39:55,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:55,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:55,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:55,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:55,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:39:55,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:55,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 22:39:55,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:55,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:39:55,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:55,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:39:55,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:55,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:55,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:55,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:55,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:39:55,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:55,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 22:39:55,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:55,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:39:55,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:55,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:39:55,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:55,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:55,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:55,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:55,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:39:55,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:55,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:39:55,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:55,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:39:55,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:55,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:39:55,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:55,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:55,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:55,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:55,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:39:55,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:55,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:39:55,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:55,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:39:55,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:55,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 22:39:55,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:55,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:55,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:55,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:55,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:55,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:55,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:39:55,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:55,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:39:55,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:55,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:39:55,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:55,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 177 proven. 996 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2020-10-27 22:39:55,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [155108680] [2020-10-27 22:39:55,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:39:55,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-27 22:39:55,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910869705] [2020-10-27 22:39:55,806 INFO L461 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-27 22:39:55,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:39:55,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-27 22:39:55,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=570, Unknown=0, NotChecked=0, Total=930 [2020-10-27 22:39:55,807 INFO L87 Difference]: Start difference. First operand 89 states and 90 transitions. Second operand 31 states. [2020-10-27 22:39:57,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:39:57,299 INFO L93 Difference]: Finished difference Result 97 states and 98 transitions. [2020-10-27 22:39:57,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-27 22:39:57,300 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 159 [2020-10-27 22:39:57,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:39:57,302 INFO L225 Difference]: With dead ends: 97 [2020-10-27 22:39:57,302 INFO L226 Difference]: Without dead ends: 92 [2020-10-27 22:39:57,304 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 675 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1144, Invalid=2162, Unknown=0, NotChecked=0, Total=3306 [2020-10-27 22:39:57,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-10-27 22:39:57,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2020-10-27 22:39:57,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-27 22:39:57,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 93 transitions. [2020-10-27 22:39:57,311 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 93 transitions. Word has length 159 [2020-10-27 22:39:57,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:39:57,311 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 93 transitions. [2020-10-27 22:39:57,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-27 22:39:57,311 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 93 transitions. [2020-10-27 22:39:57,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-27 22:39:57,313 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:39:57,313 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:39:57,313 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-27 22:39:57,313 INFO L429 AbstractCegarLoop]: === Iteration 26 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:39:57,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:39:57,313 INFO L82 PathProgramCache]: Analyzing trace with hash -28140401, now seen corresponding path program 25 times [2020-10-27 22:39:57,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:39:57,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [994426528] [2020-10-27 22:39:57,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:39:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:57,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:00,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:00,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-27 22:40:00,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:00,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2764 [2020-10-27 22:40:00,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:00,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-27 22:40:00,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 141 [2020-10-27 22:40:00,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-27 22:40:00,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:00,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:40:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:00,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:00,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:00,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:40:00,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:00,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:40:00,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:00,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:40:00,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:00,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:40:00,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:00,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:40:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:00,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:01,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:01,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-27 22:40:01,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:01,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1261 [2020-10-27 22:40:01,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:01,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-27 22:40:01,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:01,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-27 22:40:01,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:01,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:01,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:02,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:02,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-27 22:40:02,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:02,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1130 [2020-10-27 22:40:02,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:02,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-27 22:40:02,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:02,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-10-27 22:40:02,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:02,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:02,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:03,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:03,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-27 22:40:03,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:03,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1023 [2020-10-27 22:40:03,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:03,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-27 22:40:03,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:03,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-10-27 22:40:03,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:03,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:03,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:04,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:04,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-27 22:40:04,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:04,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 877 [2020-10-27 22:40:04,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:04,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-27 22:40:04,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:04,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-27 22:40:04,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:04,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:04,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:04,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:05,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:05,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-27 22:40:05,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:05,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 742 [2020-10-27 22:40:05,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:05,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-27 22:40:05,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:05,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-27 22:40:05,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:05,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:05,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:06,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:06,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-27 22:40:06,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:06,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 656 [2020-10-27 22:40:06,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:06,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-27 22:40:06,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:06,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-27 22:40:06,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:06,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:06,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:06,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:06,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-27 22:40:06,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:06,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 583 [2020-10-27 22:40:06,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:06,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-27 22:40:06,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:06,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-27 22:40:06,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:07,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:07,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:07,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:07,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 22:40:07,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:07,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 521 [2020-10-27 22:40:07,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:07,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-27 22:40:07,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:07,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-27 22:40:07,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:07,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:07,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:08,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:08,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 22:40:08,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:08,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 449 [2020-10-27 22:40:08,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:08,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 22:40:08,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:08,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-27 22:40:08,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:08,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:08,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:08,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:08,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 22:40:08,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:08,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 383 [2020-10-27 22:40:08,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:08,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 22:40:08,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:08,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-27 22:40:08,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:08,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:08,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:08,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:08,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-27 22:40:08,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:08,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 328 [2020-10-27 22:40:08,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:08,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 22:40:08,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:08,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-27 22:40:08,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:09,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:09,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:09,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:09,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 22:40:09,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:09,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-10-27 22:40:09,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:09,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 22:40:09,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:09,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-27 22:40:09,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:09,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:09,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:09,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:09,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 22:40:09,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:09,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 257 [2020-10-27 22:40:09,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:09,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 22:40:09,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:09,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-27 22:40:09,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:09,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:09,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:10,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:10,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 22:40:10,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:10,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-10-27 22:40:10,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:10,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 22:40:10,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:10,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-27 22:40:10,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:10,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:10,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:10,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:10,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:40:10,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:10,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-27 22:40:10,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:10,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:40:10,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:10,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-27 22:40:10,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:10,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:10,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:10,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:10,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:40:10,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:10,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-27 22:40:10,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:10,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:40:10,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:10,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 22:40:10,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:10,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:10,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:10,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:10,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:40:10,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:10,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-27 22:40:10,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:10,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:40:10,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:10,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:40:10,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:10,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:10,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:11,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:11,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:40:11,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:11,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-27 22:40:11,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:11,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:40:11,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:11,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 22:40:11,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:11,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:11,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:11,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:11,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:40:11,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:11,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-27 22:40:11,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:11,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:40:11,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:11,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 22:40:11,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:11,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:11,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:11,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:11,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:40:11,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:11,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-27 22:40:11,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:11,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:40:11,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:11,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 22:40:11,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:40:11,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:11,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:11,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:11,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:11,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:40:11,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:11,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 22:40:11,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:11,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:40:11,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:11,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 22:40:11,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:40:11,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:11,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:11,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:11,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:40:11,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:11,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 22:40:11,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:11,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:40:11,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:11,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 22:40:11,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:11,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:12,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:12,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:12,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:40:12,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:12,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 22:40:12,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:12,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:40:12,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:12,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 22:40:12,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:12,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:12,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:12,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:12,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:40:12,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:12,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 22:40:12,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:12,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:40:12,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:12,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 22:40:12,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:12,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:12,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:12,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:12,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:40:12,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:12,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:40:12,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:12,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:40:12,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:12,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:40:12,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:12,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:12,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:12,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:12,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:40:12,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:12,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:40:12,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:12,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:40:12,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:12,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:40:12,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:12,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1900 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2020-10-27 22:40:12,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [994426528] [2020-10-27 22:40:12,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:40:12,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2020-10-27 22:40:12,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422895010] [2020-10-27 22:40:12,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 56 states [2020-10-27 22:40:12,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:40:12,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2020-10-27 22:40:12,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=2971, Unknown=0, NotChecked=0, Total=3080 [2020-10-27 22:40:12,857 INFO L87 Difference]: Start difference. First operand 92 states and 93 transitions. Second operand 56 states. [2020-10-27 22:40:20,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:40:20,663 INFO L93 Difference]: Finished difference Result 100 states and 101 transitions. [2020-10-27 22:40:20,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-27 22:40:20,664 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 165 [2020-10-27 22:40:20,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:40:20,665 INFO L225 Difference]: With dead ends: 100 [2020-10-27 22:40:20,665 INFO L226 Difference]: Without dead ends: 95 [2020-10-27 22:40:20,669 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1378 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=321, Invalid=11451, Unknown=0, NotChecked=0, Total=11772 [2020-10-27 22:40:20,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-10-27 22:40:20,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2020-10-27 22:40:20,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-27 22:40:20,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 96 transitions. [2020-10-27 22:40:20,675 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 96 transitions. Word has length 165 [2020-10-27 22:40:20,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:40:20,675 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 96 transitions. [2020-10-27 22:40:20,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 56 states. [2020-10-27 22:40:20,676 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 96 transitions. [2020-10-27 22:40:20,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-27 22:40:20,677 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:40:20,677 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:40:20,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-27 22:40:20,677 INFO L429 AbstractCegarLoop]: === Iteration 27 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:40:20,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:40:20,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1495793339, now seen corresponding path program 26 times [2020-10-27 22:40:20,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:40:20,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1140188762] [2020-10-27 22:40:20,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:40:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:20,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:20,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:23,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:23,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-27 22:40:23,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:40:23,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2649 [2020-10-27 22:40:23,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:23,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-27 22:40:23,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:40:23,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 22:40:23,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 22:40:23,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:40:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:23,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:23,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:23,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:40:23,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:23,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:40:23,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:23,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:40:23,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:23,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:40:23,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:23,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:40:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:23,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:23,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:25,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:25,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-27 22:40:25,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:40:25,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2109 [2020-10-27 22:40:25,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:25,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 56 [2020-10-27 22:40:25,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:40:25,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-27 22:40:25,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:25,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:25,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:25,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:27,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:27,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-27 22:40:27,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:40:27,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2031 [2020-10-27 22:40:27,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:27,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-27 22:40:27,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:27,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-10-27 22:40:27,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:27,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:27,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:27,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:29,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:29,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-27 22:40:29,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:40:29,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2143 [2020-10-27 22:40:29,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:29,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-27 22:40:29,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:29,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 199 [2020-10-27 22:40:29,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:29,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:29,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:30,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:31,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:31,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-27 22:40:31,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:40:31,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1288 [2020-10-27 22:40:31,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:31,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-27 22:40:31,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:31,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 191 [2020-10-27 22:40:31,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:31,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:31,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:31,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:32,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:32,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-27 22:40:32,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:40:32,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1332 [2020-10-27 22:40:32,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:32,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-27 22:40:32,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:32,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-27 22:40:32,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:32,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:32,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:33,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:33,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-27 22:40:33,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:33,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 681 [2020-10-27 22:40:33,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:33,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-27 22:40:33,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:33,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-10-27 22:40:33,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:33,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:33,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:33,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:33,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-27 22:40:33,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:33,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 653 [2020-10-27 22:40:33,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:33,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-27 22:40:33,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:33,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-27 22:40:33,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:34,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:34,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:34,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:34,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-27 22:40:34,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:34,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 521 [2020-10-27 22:40:34,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:34,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-27 22:40:34,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:34,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-10-27 22:40:34,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:34,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:34,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:35,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:35,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 22:40:35,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:35,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 466 [2020-10-27 22:40:35,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:35,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-27 22:40:35,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:35,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-27 22:40:35,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:35,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:35,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:35,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:35,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 22:40:35,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:35,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 414 [2020-10-27 22:40:35,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:35,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-27 22:40:35,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:35,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-27 22:40:35,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:35,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:35,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:35,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:35,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 22:40:35,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:35,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 353 [2020-10-27 22:40:35,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:35,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 22:40:35,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:35,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-27 22:40:35,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:35,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:35,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:36,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:36,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-27 22:40:36,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:36,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 327 [2020-10-27 22:40:36,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:36,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 22:40:36,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:36,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-27 22:40:36,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:36,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:36,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:36,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:36,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 22:40:36,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:36,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-10-27 22:40:36,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:36,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 22:40:36,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:36,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-27 22:40:36,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:36,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:36,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:36,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:36,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 22:40:36,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:36,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-10-27 22:40:36,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:36,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 22:40:36,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:36,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-27 22:40:36,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:36,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:36,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:37,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:37,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 22:40:37,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:37,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-27 22:40:37,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:37,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 22:40:37,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:37,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-27 22:40:37,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:37,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:37,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:37,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:37,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:40:37,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:37,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-27 22:40:37,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:37,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 22:40:37,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:37,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 22:40:37,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:37,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:37,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:37,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:37,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:40:37,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:37,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-27 22:40:37,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:37,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:40:37,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:37,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 22:40:37,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:37,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:37,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:37,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:37,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:40:37,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:37,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-27 22:40:37,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:37,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:40:37,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:37,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 22:40:37,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:37,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:37,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:37,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:37,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:40:37,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:37,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-27 22:40:37,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:37,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:40:37,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:37,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 22:40:37,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:37,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:37,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:37,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:37,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:40:37,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:37,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-27 22:40:37,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:37,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:40:37,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:37,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 22:40:37,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:37,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:37,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:38,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:38,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:40:38,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:38,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 22:40:38,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:38,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:40:38,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:38,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:40:38,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:38,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:38,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:38,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:38,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:40:38,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:38,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 22:40:38,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:38,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:40:38,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:38,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 22:40:38,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:38,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:38,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:38,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:38,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:40:38,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:38,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 22:40:38,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:38,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:40:38,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:38,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:40:38,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:40:38,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:38,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:38,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:38,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:40:38,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:38,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 22:40:38,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:38,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:40:38,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:38,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:40:38,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:40:38,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:38,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:38,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:38,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:40:38,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:38,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 22:40:38,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:38,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:40:38,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:38,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:40:38,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:40:38,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:38,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:38,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:38,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:40:38,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:38,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:40:38,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:38,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:40:38,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:38,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 22:40:38,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:38,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:38,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:38,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:38,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:40:38,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:38,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:40:38,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:38,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:40:38,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:38,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:40:38,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:38,728 INFO L134 CoverageAnalysis]: Checked inductivity of 2054 backedges. 815 proven. 560 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2020-10-27 22:40:38,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1140188762] [2020-10-27 22:40:38,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:40:38,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-10-27 22:40:38,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725111553] [2020-10-27 22:40:38,729 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-27 22:40:38,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:40:38,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-27 22:40:38,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=802, Unknown=0, NotChecked=0, Total=1122 [2020-10-27 22:40:38,731 INFO L87 Difference]: Start difference. First operand 95 states and 96 transitions. Second operand 34 states. [2020-10-27 22:40:46,081 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2020-10-27 22:40:46,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:40:46,334 INFO L93 Difference]: Finished difference Result 243 states and 892 transitions. [2020-10-27 22:40:46,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-10-27 22:40:46,337 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 171 [2020-10-27 22:40:46,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:40:46,338 INFO L225 Difference]: With dead ends: 243 [2020-10-27 22:40:46,338 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 22:40:46,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2015 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=2414, Invalid=5958, Unknown=0, NotChecked=0, Total=8372 [2020-10-27 22:40:46,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 22:40:46,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 22:40:46,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 22:40:46,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 22:40:46,344 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 171 [2020-10-27 22:40:46,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:40:46,344 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 22:40:46,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-27 22:40:46,344 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 22:40:46,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 22:40:46,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-27 22:40:46,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 22:40:46,800 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 10 [2020-10-27 22:40:46,965 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-10-27 22:40:46,970 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 22:40:46,971 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 22:40:46,971 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 22:40:46,971 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 22:40:46,971 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 22:40:46,971 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-27 22:40:46,971 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 22:40:46,971 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 22:40:46,972 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-27 22:40:46,972 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 22:40:46,972 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 22:40:46,972 INFO L277 CegarLoopResult]: At program point mainENTRY(lines 11 17) the Hoare annotation is: true [2020-10-27 22:40:46,972 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 11 17) no Hoare annotation was computed. [2020-10-27 22:40:46,972 INFO L270 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: false [2020-10-27 22:40:46,972 INFO L274 CegarLoopResult]: For program point L14(lines 14 16) no Hoare annotation was computed. [2020-10-27 22:40:46,972 INFO L274 CegarLoopResult]: For program point L15-1(line 15) no Hoare annotation was computed. [2020-10-27 22:40:46,973 INFO L270 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (= main_~input~0 25) [2020-10-27 22:40:46,973 INFO L274 CegarLoopResult]: For program point L13-1(line 13) no Hoare annotation was computed. [2020-10-27 22:40:46,973 INFO L274 CegarLoopResult]: For program point L14-2(lines 11 17) no Hoare annotation was computed. [2020-10-27 22:40:46,973 INFO L274 CegarLoopResult]: For program point idFINAL(lines 6 9) no Hoare annotation was computed. [2020-10-27 22:40:46,973 INFO L274 CegarLoopResult]: For program point idEXIT(lines 6 9) no Hoare annotation was computed. [2020-10-27 22:40:46,973 INFO L270 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: (or (not (<= 0 |id_#in~x|)) (and (<= 1 |id_#in~x|) (= |id_#in~x| id_~x))) [2020-10-27 22:40:46,973 INFO L277 CegarLoopResult]: At program point idENTRY(lines 6 9) the Hoare annotation is: true [2020-10-27 22:40:46,973 INFO L274 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2020-10-27 22:40:46,973 INFO L274 CegarLoopResult]: For program point L8-1(line 8) no Hoare annotation was computed. [2020-10-27 22:40:46,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 10:40:46 BoogieIcfgContainer [2020-10-27 22:40:46,979 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 22:40:46,981 INFO L168 Benchmark]: Toolchain (without parser) took 158600.29 ms. Allocated memory was 162.5 MB in the beginning and 896.5 MB in the end (delta: 734.0 MB). Free memory was 138.4 MB in the beginning and 770.2 MB in the end (delta: -631.8 MB). Peak memory consumption was 552.6 MB. Max. memory is 8.0 GB. [2020-10-27 22:40:46,982 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 162.5 MB. Free memory is still 136.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 22:40:46,982 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.98 ms. Allocated memory is still 162.5 MB. Free memory was 137.9 MB in the beginning and 129.0 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-10-27 22:40:46,982 INFO L168 Benchmark]: Boogie Preprocessor took 31.83 ms. Allocated memory is still 162.5 MB. Free memory was 128.7 MB in the beginning and 127.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-27 22:40:46,983 INFO L168 Benchmark]: RCFGBuilder took 369.02 ms. Allocated memory is still 162.5 MB. Free memory was 127.4 MB in the beginning and 115.3 MB in the end (delta: 12.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-10-27 22:40:46,983 INFO L168 Benchmark]: TraceAbstraction took 157952.52 ms. Allocated memory was 162.5 MB in the beginning and 896.5 MB in the end (delta: 734.0 MB). Free memory was 114.8 MB in the beginning and 770.2 MB in the end (delta: -655.4 MB). Peak memory consumption was 528.4 MB. Max. memory is 8.0 GB. [2020-10-27 22:40:46,986 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 162.5 MB. Free memory is still 136.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 232.98 ms. Allocated memory is still 162.5 MB. Free memory was 137.9 MB in the beginning and 129.0 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 31.83 ms. Allocated memory is still 162.5 MB. Free memory was 128.7 MB in the beginning and 127.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 369.02 ms. Allocated memory is still 162.5 MB. Free memory was 127.4 MB in the beginning and 115.3 MB in the end (delta: 12.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 157952.52 ms. Allocated memory was 162.5 MB in the beginning and 896.5 MB in the end (delta: 734.0 MB). Free memory was 114.8 MB in the beginning and 770.2 MB in the end (delta: -655.4 MB). Peak memory consumption was 528.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 157.2s, OverallIterations: 27, TraceHistogramMax: 27, AutomataDifference: 36.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 453 SDtfs, 2339 SDslu, 1229 SDs, 0 SdLazy, 9965 SolverSat, 1482 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1781 GetRequests, 767 SyntacticMatches, 6 SemanticMatches, 1008 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9757 ImplicationChecksByTransitivity, 34.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 27 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 85 PreInvPairs, 85 NumberOfFragments, 52 HoareAnnotationTreeSize, 85 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2291 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 119.1s InterpolantComputationTime, 2511 NumberOfCodeBlocks, 2511 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 2484 ConstructedInterpolants, 0 QuantifiedInterpolants, 862388 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 1 PerfectInterpolantSequences, 8665/18954 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...