/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-cav19/array_tripl_access_init_const.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 17:31:43,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 17:31:43,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 17:31:43,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 17:31:43,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 17:31:43,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 17:31:43,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 17:31:43,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 17:31:43,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 17:31:43,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 17:31:43,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 17:31:43,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 17:31:43,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 17:31:43,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 17:31:43,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 17:31:43,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 17:31:43,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 17:31:43,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 17:31:43,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 17:31:43,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 17:31:43,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 17:31:43,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 17:31:43,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 17:31:43,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 17:31:43,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 17:31:43,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 17:31:43,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 17:31:43,706 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 17:31:43,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 17:31:43,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 17:31:43,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 17:31:43,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 17:31:43,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 17:31:43,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 17:31:43,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 17:31:43,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 17:31:43,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 17:31:43,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 17:31:43,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 17:31:43,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 17:31:43,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 17:31:43,717 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 [2020-10-14 17:31:43,760 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 17:31:43,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 17:31:43,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 17:31:43,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 17:31:43,763 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 17:31:43,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 17:31:43,764 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 17:31:43,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 17:31:43,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 17:31:43,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 17:31:43,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 17:31:43,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 17:31:43,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 17:31:43,767 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 17:31:43,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 17:31:43,767 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 17:31:43,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 17:31:43,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 17:31:43,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 17:31:43,768 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 17:31:43,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 17:31:43,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 17:31:43,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 17:31:43,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 17:31:43,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 17:31:43,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 17:31:43,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 17:31:43,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 17:31:43,769 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 17:31:43,770 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 17:31:44,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 17:31:44,076 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 17:31:44,081 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 17:31:44,083 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 17:31:44,083 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 17:31:44,084 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-cav19/array_tripl_access_init_const.c [2020-10-14 17:31:44,146 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1fcc14743/1f90cd57905d4c729c9fa3b045ed66de/FLAG4f81199aa [2020-10-14 17:31:44,613 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 17:31:44,614 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-cav19/array_tripl_access_init_const.c [2020-10-14 17:31:44,619 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1fcc14743/1f90cd57905d4c729c9fa3b045ed66de/FLAG4f81199aa [2020-10-14 17:31:45,022 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1fcc14743/1f90cd57905d4c729c9fa3b045ed66de [2020-10-14 17:31:45,030 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 17:31:45,032 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 17:31:45,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 17:31:45,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 17:31:45,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 17:31:45,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:31:45" (1/1) ... [2020-10-14 17:31:45,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@722dc2de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:45, skipping insertion in model container [2020-10-14 17:31:45,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:31:45" (1/1) ... [2020-10-14 17:31:45,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 17:31:45,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 17:31:45,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 17:31:45,247 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 17:31:45,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 17:31:45,282 INFO L208 MainTranslator]: Completed translation [2020-10-14 17:31:45,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:45 WrapperNode [2020-10-14 17:31:45,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 17:31:45,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 17:31:45,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 17:31:45,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 17:31:45,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:45" (1/1) ... [2020-10-14 17:31:45,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:45" (1/1) ... [2020-10-14 17:31:45,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:45" (1/1) ... [2020-10-14 17:31:45,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:45" (1/1) ... [2020-10-14 17:31:45,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:45" (1/1) ... [2020-10-14 17:31:45,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:45" (1/1) ... [2020-10-14 17:31:45,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:45" (1/1) ... [2020-10-14 17:31:45,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 17:31:45,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 17:31:45,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 17:31:45,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 17:31:45,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:45" (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 [2020-10-14 17:31:45,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 17:31:45,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 17:31:45,465 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 17:31:45,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-14 17:31:45,466 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 17:31:45,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 17:31:45,466 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 17:31:45,466 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 17:31:45,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-14 17:31:45,466 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 17:31:45,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 17:31:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 17:31:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 17:31:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 17:31:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 17:31:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 17:31:45,686 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 17:31:45,687 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-14 17:31:45,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:31:45 BoogieIcfgContainer [2020-10-14 17:31:45,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 17:31:45,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 17:31:45,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 17:31:45,696 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 17:31:45,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:31:45" (1/3) ... [2020-10-14 17:31:45,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@458662ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:31:45, skipping insertion in model container [2020-10-14 17:31:45,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:45" (2/3) ... [2020-10-14 17:31:45,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@458662ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:31:45, skipping insertion in model container [2020-10-14 17:31:45,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:31:45" (3/3) ... [2020-10-14 17:31:45,699 INFO L109 eAbstractionObserver]: Analyzing ICFG array_tripl_access_init_const.c [2020-10-14 17:31:45,716 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 17:31:45,738 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 17:31:45,783 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 17:31:45,815 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 17:31:45,815 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 17:31:45,815 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 17:31:45,816 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 17:31:45,816 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 17:31:45,816 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 17:31:45,816 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 17:31:45,816 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 17:31:45,842 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-10-14 17:31:45,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-14 17:31:45,848 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:31:45,849 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:31:45,849 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:31:45,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:31:45,854 INFO L82 PathProgramCache]: Analyzing trace with hash 48820346, now seen corresponding path program 1 times [2020-10-14 17:31:45,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:31:45,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [776210503] [2020-10-14 17:31:45,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:31:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:46,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:46,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:46,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 17:31:46,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:46,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-14 17:31:46,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:46,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:46,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:46,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:31:46,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 17:31:46,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 17:31:46,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:31:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:46,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:46,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:46,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:31:46,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:46,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 17:31:46,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:46,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:46,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:46,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:46,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:46,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:46,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 17:31:46,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [776210503] [2020-10-14 17:31:46,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 17:31:46,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 17:31:46,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165429784] [2020-10-14 17:31:46,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 17:31:46,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:31:46,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 17:31:46,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 17:31:46,239 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 4 states. [2020-10-14 17:31:46,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:31:46,340 INFO L93 Difference]: Finished difference Result 42 states and 51 transitions. [2020-10-14 17:31:46,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 17:31:46,342 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-14 17:31:46,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:31:46,351 INFO L225 Difference]: With dead ends: 42 [2020-10-14 17:31:46,352 INFO L226 Difference]: Without dead ends: 21 [2020-10-14 17:31:46,356 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 17:31:46,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-14 17:31:46,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2020-10-14 17:31:46,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-10-14 17:31:46,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2020-10-14 17:31:46,397 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 13 [2020-10-14 17:31:46,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:31:46,398 INFO L479 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2020-10-14 17:31:46,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 17:31:46,398 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2020-10-14 17:31:46,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-14 17:31:46,399 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:31:46,399 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:31:46,400 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 17:31:46,400 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:31:46,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:31:46,401 INFO L82 PathProgramCache]: Analyzing trace with hash -298336104, now seen corresponding path program 1 times [2020-10-14 17:31:46,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:31:46,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [634820230] [2020-10-14 17:31:46,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:31:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:46,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:46,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:46,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:46,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 17:31:46,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:31:46,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 428 [2020-10-14 17:31:46,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:46,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:46,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 17:31:46,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:31:46,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 17:31:46,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:46,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:31:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:46,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:46,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:46,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:31:46,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:46,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:31:46,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:46,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:46,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:46,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:46,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:46,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:46,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 17:31:46,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [634820230] [2020-10-14 17:31:46,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:31:46,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 17:31:46,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095525726] [2020-10-14 17:31:46,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 17:31:46,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:31:46,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 17:31:46,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-14 17:31:46,994 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 9 states. [2020-10-14 17:31:47,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:31:47,206 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2020-10-14 17:31:47,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 17:31:47,207 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2020-10-14 17:31:47,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:31:47,208 INFO L225 Difference]: With dead ends: 31 [2020-10-14 17:31:47,208 INFO L226 Difference]: Without dead ends: 29 [2020-10-14 17:31:47,210 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-14 17:31:47,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-14 17:31:47,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2020-10-14 17:31:47,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-14 17:31:47,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2020-10-14 17:31:47,219 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 15 [2020-10-14 17:31:47,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:31:47,219 INFO L479 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2020-10-14 17:31:47,220 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 17:31:47,220 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2020-10-14 17:31:47,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-14 17:31:47,221 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:31:47,221 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:31:47,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 17:31:47,222 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:31:47,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:31:47,222 INFO L82 PathProgramCache]: Analyzing trace with hash 2019784399, now seen corresponding path program 1 times [2020-10-14 17:31:47,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:31:47,223 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [92908133] [2020-10-14 17:31:47,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:31:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:47,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:47,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:47,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:47,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 17:31:47,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:31:47,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 268 [2020-10-14 17:31:47,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:47,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:47,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 17:31:47,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:31:47,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 17:31:47,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:47,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:31:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:47,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:47,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:47,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:31:47,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:47,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:31:47,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:47,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:47,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:47,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:47,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:47,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:47,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 17:31:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:47,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:47,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:47,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:47,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:47,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 17:31:47,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:47,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:47,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:47,690 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 17:31:47,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [92908133] [2020-10-14 17:31:47,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:31:47,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 17:31:47,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937376113] [2020-10-14 17:31:47,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 17:31:47,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:31:47,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 17:31:47,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-10-14 17:31:47,695 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 10 states. [2020-10-14 17:31:48,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:31:48,107 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2020-10-14 17:31:48,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 17:31:48,108 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2020-10-14 17:31:48,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:31:48,110 INFO L225 Difference]: With dead ends: 42 [2020-10-14 17:31:48,111 INFO L226 Difference]: Without dead ends: 40 [2020-10-14 17:31:48,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2020-10-14 17:31:48,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-14 17:31:48,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 34. [2020-10-14 17:31:48,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-14 17:31:48,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2020-10-14 17:31:48,132 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 23 [2020-10-14 17:31:48,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:31:48,142 INFO L479 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2020-10-14 17:31:48,142 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 17:31:48,142 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2020-10-14 17:31:48,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-14 17:31:48,143 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:31:48,143 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:31:48,144 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 17:31:48,144 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:31:48,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:31:48,145 INFO L82 PathProgramCache]: Analyzing trace with hash 690816518, now seen corresponding path program 2 times [2020-10-14 17:31:48,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:31:48,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1241873433] [2020-10-14 17:31:48,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:31:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:48,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:48,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:48,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:48,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 17:31:48,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:31:48,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 301 [2020-10-14 17:31:48,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:48,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:48,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 17:31:48,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:31:48,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 17:31:48,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:48,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:31:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:48,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:48,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:48,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:31:48,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:48,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 17:31:48,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:48,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:48,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:48,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:48,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:48,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:48,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 17:31:48,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:48,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:48,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:48,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:48,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:48,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:31:48,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:48,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:48,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:48,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:48,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:48,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:48,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:31:48,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:48,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:48,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:48,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:48,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:48,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:31:48,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:48,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:48,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:48,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:48,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:48,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:48,614 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 17:31:48,615 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1241873433] [2020-10-14 17:31:48,615 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:31:48,615 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 17:31:48,616 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871337295] [2020-10-14 17:31:48,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 17:31:48,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:31:48,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 17:31:48,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-10-14 17:31:48,617 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand 11 states. [2020-10-14 17:31:49,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:31:49,027 INFO L93 Difference]: Finished difference Result 53 states and 56 transitions. [2020-10-14 17:31:49,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 17:31:49,028 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 31 [2020-10-14 17:31:49,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:31:49,029 INFO L225 Difference]: With dead ends: 53 [2020-10-14 17:31:49,029 INFO L226 Difference]: Without dead ends: 51 [2020-10-14 17:31:49,030 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2020-10-14 17:31:49,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-14 17:31:49,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 42. [2020-10-14 17:31:49,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-14 17:31:49,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2020-10-14 17:31:49,039 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 31 [2020-10-14 17:31:49,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:31:49,039 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2020-10-14 17:31:49,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 17:31:49,040 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2020-10-14 17:31:49,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-14 17:31:49,041 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:31:49,041 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:31:49,042 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 17:31:49,042 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:31:49,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:31:49,042 INFO L82 PathProgramCache]: Analyzing trace with hash 363556413, now seen corresponding path program 3 times [2020-10-14 17:31:49,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:31:49,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1868402165] [2020-10-14 17:31:49,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:31:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:49,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:49,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:49,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-14 17:31:49,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:49,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 17:31:49,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:49,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:49,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 17:31:49,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:31:49,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 17:31:49,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:49,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:31:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:49,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:49,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:49,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:31:49,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:49,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:31:49,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:49,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:49,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:49,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:49,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:49,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:49,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 17:31:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:49,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:49,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:49,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:49,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:49,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:31:49,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:49,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:49,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:49,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:31:49,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:49,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:49,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:31:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:49,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:49,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:49,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:49,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:49,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:31:49,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:49,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:49,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:49,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:31:49,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:49,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:49,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:31:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:49,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:49,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:49,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:49,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:49,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:31:49,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:49,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:49,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:49,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:31:49,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:49,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:49,153 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-14 17:31:49,154 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1868402165] [2020-10-14 17:31:49,154 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:31:49,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 17:31:49,154 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513502978] [2020-10-14 17:31:49,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 17:31:49,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:31:49,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 17:31:49,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 17:31:49,156 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 5 states. [2020-10-14 17:31:49,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:31:49,205 INFO L93 Difference]: Finished difference Result 78 states and 80 transitions. [2020-10-14 17:31:49,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 17:31:49,206 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2020-10-14 17:31:49,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:31:49,209 INFO L225 Difference]: With dead ends: 78 [2020-10-14 17:31:49,209 INFO L226 Difference]: Without dead ends: 45 [2020-10-14 17:31:49,210 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 17:31:49,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-14 17:31:49,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 44. [2020-10-14 17:31:49,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-14 17:31:49,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 45 transitions. [2020-10-14 17:31:49,218 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 45 transitions. Word has length 39 [2020-10-14 17:31:49,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:31:49,218 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 45 transitions. [2020-10-14 17:31:49,218 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 17:31:49,219 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2020-10-14 17:31:49,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-14 17:31:49,220 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:31:49,220 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:31:49,220 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 17:31:49,220 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:31:49,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:31:49,221 INFO L82 PathProgramCache]: Analyzing trace with hash -258591525, now seen corresponding path program 4 times [2020-10-14 17:31:49,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:31:49,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2137453628] [2020-10-14 17:31:49,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:31:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:49,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:49,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:49,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:49,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 17:31:49,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:31:49,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 334 [2020-10-14 17:31:49,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:49,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:49,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 17:31:49,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:31:49,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 17:31:49,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:31:49,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:31:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:49,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:49,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:49,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:31:49,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:49,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:31:49,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:49,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:49,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:49,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:49,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:49,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:49,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 17:31:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:49,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:49,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:49,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:49,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:49,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:31:49,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:49,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:49,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:49,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:49,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:49,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:49,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 17:31:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:49,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:49,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:49,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:49,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:49,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:31:49,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:49,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:49,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:49,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:49,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:49,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:49,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 17:31:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:49,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:49,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:49,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:49,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:49,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:31:49,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:49,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:49,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:49,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:49,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:49,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:49,751 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-14 17:31:49,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2137453628] [2020-10-14 17:31:49,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:31:49,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-14 17:31:49,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033346418] [2020-10-14 17:31:49,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 17:31:49,753 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:31:49,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 17:31:49,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-10-14 17:31:49,754 INFO L87 Difference]: Start difference. First operand 44 states and 45 transitions. Second operand 13 states. [2020-10-14 17:31:50,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:31:50,292 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2020-10-14 17:31:50,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-14 17:31:50,293 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 41 [2020-10-14 17:31:50,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:31:50,296 INFO L225 Difference]: With dead ends: 66 [2020-10-14 17:31:50,296 INFO L226 Difference]: Without dead ends: 64 [2020-10-14 17:31:50,297 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=547, Unknown=0, NotChecked=0, Total=650 [2020-10-14 17:31:50,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-14 17:31:50,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 52. [2020-10-14 17:31:50,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-14 17:31:50,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 53 transitions. [2020-10-14 17:31:50,306 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 53 transitions. Word has length 41 [2020-10-14 17:31:50,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:31:50,307 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 53 transitions. [2020-10-14 17:31:50,307 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 17:31:50,307 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2020-10-14 17:31:50,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-14 17:31:50,308 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:31:50,309 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:31:50,309 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 17:31:50,309 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:31:50,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:31:50,310 INFO L82 PathProgramCache]: Analyzing trace with hash 217511954, now seen corresponding path program 5 times [2020-10-14 17:31:50,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:31:50,310 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [345739069] [2020-10-14 17:31:50,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:31:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:50,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:50,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:50,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:50,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 17:31:50,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:31:50,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 444 [2020-10-14 17:31:50,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:50,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:50,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 17:31:50,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:31:50,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 17:31:50,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:50,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:31:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:50,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:50,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:50,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:31:50,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:50,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:31:50,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:50,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:50,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:50,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:50,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:50,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:50,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 17:31:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:50,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:50,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:50,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:50,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:50,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:31:50,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:50,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:50,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:50,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:50,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:50,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:50,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 17:31:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:50,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:50,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:50,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:50,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:50,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:31:50,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:50,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:50,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:50,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:50,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:50,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:50,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 17:31:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:50,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:50,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:50,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:50,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:50,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:31:50,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:50,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:50,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:50,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:50,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:51,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:51,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 17:31:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:51,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:51,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:51,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:51,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:51,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:31:51,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:51,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:51,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:51,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:51,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:51,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 17:31:51,022 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-14 17:31:51,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [345739069] [2020-10-14 17:31:51,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:31:51,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-14 17:31:51,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889543366] [2020-10-14 17:31:51,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-14 17:31:51,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:31:51,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-14 17:31:51,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-10-14 17:31:51,025 INFO L87 Difference]: Start difference. First operand 52 states and 53 transitions. Second operand 14 states. [2020-10-14 17:31:51,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:31:51,616 INFO L93 Difference]: Finished difference Result 74 states and 78 transitions. [2020-10-14 17:31:51,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 17:31:51,617 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 49 [2020-10-14 17:31:51,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:31:51,619 INFO L225 Difference]: With dead ends: 74 [2020-10-14 17:31:51,619 INFO L226 Difference]: Without dead ends: 72 [2020-10-14 17:31:51,620 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=108, Invalid=594, Unknown=0, NotChecked=0, Total=702 [2020-10-14 17:31:51,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-14 17:31:51,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 60. [2020-10-14 17:31:51,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-14 17:31:51,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2020-10-14 17:31:51,629 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 49 [2020-10-14 17:31:51,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:31:51,630 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2020-10-14 17:31:51,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-14 17:31:51,630 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2020-10-14 17:31:51,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-14 17:31:51,632 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:31:51,632 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:31:51,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 17:31:51,632 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:31:51,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:31:51,633 INFO L82 PathProgramCache]: Analyzing trace with hash -996633527, now seen corresponding path program 6 times [2020-10-14 17:31:51,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:31:51,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1720716] [2020-10-14 17:31:51,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:31:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:51,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:51,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:52,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:52,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 17:31:52,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:31:52,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 470 [2020-10-14 17:31:52,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:52,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:52,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 17:31:52,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:31:52,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-14 17:31:52,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:52,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:31:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:52,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:52,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:52,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:31:52,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:52,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:31:52,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:52,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:52,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:52,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:52,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:52,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:52,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 17:31:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:52,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:52,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:52,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:52,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:52,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:31:52,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:52,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:52,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:52,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:52,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:52,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:52,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 17:31:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:52,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:52,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:52,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:52,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:52,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:31:52,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:52,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:52,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:52,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:52,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:52,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:52,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 17:31:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:52,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:52,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:52,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:52,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:52,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:31:52,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:52,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:52,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:52,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:52,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:52,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:52,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 17:31:52,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:52,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:52,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:52,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:52,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:52,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:31:52,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:52,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:52,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:52,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:52,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:52,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:52,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 17:31:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:52,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:52,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:52,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:52,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:52,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:31:52,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:52,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:52,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:52,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:52,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:52,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:31:52,408 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 10 proven. 54 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-14 17:31:52,408 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1720716] [2020-10-14 17:31:52,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:31:52,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-14 17:31:52,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817219172] [2020-10-14 17:31:52,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 17:31:52,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:31:52,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 17:31:52,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2020-10-14 17:31:52,411 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 15 states. [2020-10-14 17:31:53,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:31:53,502 INFO L93 Difference]: Finished difference Result 85 states and 90 transitions. [2020-10-14 17:31:53,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-14 17:31:53,503 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 57 [2020-10-14 17:31:53,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:31:53,504 INFO L225 Difference]: With dead ends: 85 [2020-10-14 17:31:53,504 INFO L226 Difference]: Without dead ends: 83 [2020-10-14 17:31:53,506 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=742, Unknown=0, NotChecked=0, Total=870 [2020-10-14 17:31:53,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-14 17:31:53,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 68. [2020-10-14 17:31:53,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-14 17:31:53,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 69 transitions. [2020-10-14 17:31:53,517 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 69 transitions. Word has length 57 [2020-10-14 17:31:53,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:31:53,517 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 69 transitions. [2020-10-14 17:31:53,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 17:31:53,517 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2020-10-14 17:31:53,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-14 17:31:53,519 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:31:53,519 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:31:53,519 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 17:31:53,519 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:31:53,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:31:53,520 INFO L82 PathProgramCache]: Analyzing trace with hash -644740736, now seen corresponding path program 7 times [2020-10-14 17:31:53,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:31:53,521 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [94829662] [2020-10-14 17:31:53,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:31:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:53,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:53,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:53,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 17:31:53,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:53,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-14 17:31:53,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:53,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:53,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:31:53,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:31:53,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:53,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:53,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:31:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:53,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:53,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:53,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:31:53,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:53,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:31:53,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:53,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:53,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:53,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:53,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:53,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:53,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 17:31:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:53,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:53,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:53,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:53,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:53,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:31:53,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:53,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:53,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:53,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:31:53,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:53,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:53,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 17:31:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:53,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:53,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:53,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:53,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:53,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:31:53,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:53,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:53,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:53,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:31:53,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:53,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:53,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 17:31:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:53,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:53,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:53,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:53,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:53,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:31:53,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:53,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:53,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:53,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:31:53,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:53,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:53,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 17:31:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:53,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:53,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:53,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:53,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:53,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:31:53,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:53,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:53,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:53,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:31:53,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:53,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:53,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 17:31:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:53,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:53,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:53,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:53,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:53,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:31:53,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:53,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:53,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:53,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:31:53,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:53,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:53,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 17:31:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:53,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:53,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:53,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:53,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:53,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:31:53,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:53,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:53,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:53,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:31:53,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:53,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:53,762 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2020-10-14 17:31:53,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [94829662] [2020-10-14 17:31:53,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:31:53,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 17:31:53,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323692001] [2020-10-14 17:31:53,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 17:31:53,765 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:31:53,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 17:31:53,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 17:31:53,765 INFO L87 Difference]: Start difference. First operand 68 states and 69 transitions. Second operand 6 states. [2020-10-14 17:31:53,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:31:53,822 INFO L93 Difference]: Finished difference Result 128 states and 130 transitions. [2020-10-14 17:31:53,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 17:31:53,823 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-10-14 17:31:53,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:31:53,824 INFO L225 Difference]: With dead ends: 128 [2020-10-14 17:31:53,824 INFO L226 Difference]: Without dead ends: 71 [2020-10-14 17:31:53,825 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 17:31:53,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-14 17:31:53,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 70. [2020-10-14 17:31:53,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-14 17:31:53,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 71 transitions. [2020-10-14 17:31:53,835 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 71 transitions. Word has length 65 [2020-10-14 17:31:53,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:31:53,835 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 71 transitions. [2020-10-14 17:31:53,835 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 17:31:53,836 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 71 transitions. [2020-10-14 17:31:53,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-14 17:31:53,837 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:31:53,837 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:31:53,837 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 17:31:53,837 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:31:53,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:31:53,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1762023778, now seen corresponding path program 8 times [2020-10-14 17:31:53,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:31:53,838 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1575320742] [2020-10-14 17:31:53,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:31:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:53,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:53,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:54,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:54,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 17:31:54,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:31:54,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 707 [2020-10-14 17:31:54,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:54,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:54,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 17:31:54,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:31:54,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 17:31:54,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:54,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:31:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:54,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:54,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:54,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:31:54,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:54,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:31:54,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:54,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:54,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:54,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:54,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:54,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:54,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 17:31:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:54,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:54,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:54,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:54,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:54,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:31:54,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:54,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:54,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:54,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:54,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:54,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:31:54,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 17:31:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:54,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:54,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:54,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:54,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:54,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:31:54,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:54,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:54,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:54,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:54,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:54,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:54,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 17:31:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:54,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:54,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:54,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:54,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:54,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:31:54,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:54,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:54,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:54,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:54,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:54,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:54,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 17:31:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:54,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:54,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:54,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:54,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:54,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:31:54,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:54,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:54,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:54,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:54,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:54,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:54,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 17:31:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:54,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:54,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:54,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:54,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:54,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:31:54,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:54,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:54,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:54,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:54,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:54,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:54,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 17:31:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:54,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:54,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:54,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:54,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:54,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:31:54,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:54,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:54,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:54,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:54,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:54,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:54,852 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 12 proven. 81 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-14 17:31:54,853 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1575320742] [2020-10-14 17:31:54,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:31:54,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-14 17:31:54,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108592806] [2020-10-14 17:31:54,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-14 17:31:54,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:31:54,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-14 17:31:54,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2020-10-14 17:31:54,856 INFO L87 Difference]: Start difference. First operand 70 states and 71 transitions. Second operand 17 states. [2020-10-14 17:31:55,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:31:55,904 INFO L93 Difference]: Finished difference Result 98 states and 104 transitions. [2020-10-14 17:31:55,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-14 17:31:55,905 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 67 [2020-10-14 17:31:55,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:31:55,907 INFO L225 Difference]: With dead ends: 98 [2020-10-14 17:31:55,908 INFO L226 Difference]: Without dead ends: 96 [2020-10-14 17:31:55,909 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=172, Invalid=1088, Unknown=0, NotChecked=0, Total=1260 [2020-10-14 17:31:55,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-10-14 17:31:55,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 78. [2020-10-14 17:31:55,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-14 17:31:55,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 79 transitions. [2020-10-14 17:31:55,928 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 79 transitions. Word has length 67 [2020-10-14 17:31:55,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:31:55,929 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 79 transitions. [2020-10-14 17:31:55,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-14 17:31:55,929 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 79 transitions. [2020-10-14 17:31:55,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-14 17:31:55,930 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:31:55,930 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:31:55,930 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 17:31:55,931 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:31:55,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:31:55,931 INFO L82 PathProgramCache]: Analyzing trace with hash -981862699, now seen corresponding path program 9 times [2020-10-14 17:31:55,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:31:55,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1747251368] [2020-10-14 17:31:55,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:31:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:55,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:56,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:56,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:56,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 17:31:56,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:31:56,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 932 [2020-10-14 17:31:56,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:56,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:56,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-14 17:31:56,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:31:56,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 17:31:56,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:57,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:31:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:57,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:57,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:57,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:31:57,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:57,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:31:57,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:57,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:57,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:57,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:57,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:57,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:57,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 17:31:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:57,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:57,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:57,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:57,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:57,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:31:57,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:57,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:57,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:57,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:57,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:57,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:57,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 17:31:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:57,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:57,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:57,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:57,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:57,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:31:57,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:57,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:57,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:57,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:57,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:57,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:57,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 17:31:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:57,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:57,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:57,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:57,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:57,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:31:57,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:57,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:57,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:57,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:57,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:57,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:31:57,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 17:31:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:57,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:57,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:57,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:57,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:57,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:31:57,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:57,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:57,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:57,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:57,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:57,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:57,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 17:31:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:57,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:57,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:57,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:57,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:57,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:31:57,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:57,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:57,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:57,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:57,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:57,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:57,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 17:31:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:57,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:57,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:57,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:57,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:57,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:31:57,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:57,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:57,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:57,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:57,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:57,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:57,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-14 17:31:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:57,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:57,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:57,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:57,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:57,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:31:57,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:57,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:57,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:57,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:57,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:57,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:57,305 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 14 proven. 107 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-14 17:31:57,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1747251368] [2020-10-14 17:31:57,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:31:57,307 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-14 17:31:57,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280826003] [2020-10-14 17:31:57,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-14 17:31:57,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:31:57,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-14 17:31:57,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2020-10-14 17:31:57,310 INFO L87 Difference]: Start difference. First operand 78 states and 79 transitions. Second operand 18 states. [2020-10-14 17:31:58,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:31:58,606 INFO L93 Difference]: Finished difference Result 109 states and 116 transitions. [2020-10-14 17:31:58,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-14 17:31:58,607 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 75 [2020-10-14 17:31:58,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:31:58,608 INFO L225 Difference]: With dead ends: 109 [2020-10-14 17:31:58,609 INFO L226 Difference]: Without dead ends: 107 [2020-10-14 17:31:58,610 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=203, Invalid=1357, Unknown=0, NotChecked=0, Total=1560 [2020-10-14 17:31:58,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-14 17:31:58,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 86. [2020-10-14 17:31:58,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-14 17:31:58,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 87 transitions. [2020-10-14 17:31:58,631 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 87 transitions. Word has length 75 [2020-10-14 17:31:58,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:31:58,632 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 87 transitions. [2020-10-14 17:31:58,634 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-14 17:31:58,635 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 87 transitions. [2020-10-14 17:31:58,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-14 17:31:58,636 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:31:58,636 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:31:58,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 17:31:58,636 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:31:58,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:31:58,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1319231476, now seen corresponding path program 10 times [2020-10-14 17:31:58,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:31:58,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [962776828] [2020-10-14 17:31:58,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:31:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:58,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:58,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:59,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:59,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-14 17:31:59,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:31:59,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 744 [2020-10-14 17:31:59,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:59,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:59,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 17:31:59,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:31:59,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 17:31:59,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:31:59,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:31:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:59,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:59,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:59,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:31:59,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:59,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:31:59,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:59,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:59,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:59,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:59,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:59,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:59,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 17:31:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:59,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:59,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:59,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:59,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:59,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:31:59,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:59,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:59,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:59,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:59,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:59,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:31:59,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 17:31:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:59,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:59,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:59,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:59,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:59,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:31:59,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:59,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:59,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:59,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:59,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:59,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:31:59,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 17:31:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:59,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:59,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:59,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:59,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:59,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:31:59,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:59,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:59,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:59,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:59,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:59,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:59,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 17:31:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:59,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:59,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:59,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:59,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:59,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:31:59,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:59,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:59,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:59,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:59,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:59,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:31:59,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 17:31:59,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:59,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:59,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:59,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:59,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:59,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:31:59,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:59,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:59,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:59,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:59,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:59,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:59,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 17:31:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:59,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:59,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:59,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:59,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:59,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:31:59,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:59,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:59,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:59,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:59,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:59,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:59,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-14 17:31:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:59,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:59,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:59,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:59,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:59,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:31:59,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:59,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:59,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:59,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:59,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:59,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:59,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 17:31:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:59,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:59,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:59,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:59,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:59,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:31:59,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:59,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:59,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:59,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:59,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:59,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:59,774 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 16 proven. 137 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-14 17:31:59,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [962776828] [2020-10-14 17:31:59,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:31:59,775 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-14 17:31:59,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301614206] [2020-10-14 17:31:59,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-14 17:31:59,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:31:59,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-14 17:31:59,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2020-10-14 17:31:59,777 INFO L87 Difference]: Start difference. First operand 86 states and 87 transitions. Second operand 19 states. [2020-10-14 17:32:01,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:01,140 INFO L93 Difference]: Finished difference Result 117 states and 124 transitions. [2020-10-14 17:32:01,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-14 17:32:01,141 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 83 [2020-10-14 17:32:01,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:01,143 INFO L225 Difference]: With dead ends: 117 [2020-10-14 17:32:01,143 INFO L226 Difference]: Without dead ends: 115 [2020-10-14 17:32:01,144 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=211, Invalid=1511, Unknown=0, NotChecked=0, Total=1722 [2020-10-14 17:32:01,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-14 17:32:01,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 94. [2020-10-14 17:32:01,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-10-14 17:32:01,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 95 transitions. [2020-10-14 17:32:01,154 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 95 transitions. Word has length 83 [2020-10-14 17:32:01,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:01,155 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 95 transitions. [2020-10-14 17:32:01,155 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-14 17:32:01,155 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 95 transitions. [2020-10-14 17:32:01,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-14 17:32:01,156 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:01,156 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:01,156 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 17:32:01,157 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:01,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:01,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1237131843, now seen corresponding path program 11 times [2020-10-14 17:32:01,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:01,158 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1383605317] [2020-10-14 17:32:01,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:01,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:01,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:01,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 17:32:01,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:01,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-14 17:32:01,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:01,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:01,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:32:01,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:32:01,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 17:32:01,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:01,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:01,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:01,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:01,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:01,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:01,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:01,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:01,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:01,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:01,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:01,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:01,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:01,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 17:32:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:01,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:01,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:01,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:01,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:01,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:01,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:01,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:01,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:01,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:01,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:01,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:01,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 17:32:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:01,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:01,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:01,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:01,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:01,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:01,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:01,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:01,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:01,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:01,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:01,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:01,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 17:32:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:01,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:01,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:01,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:01,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:01,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:01,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:01,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:01,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:01,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:01,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:01,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:01,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 17:32:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:01,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:01,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:01,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:01,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:01,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:01,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:01,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:01,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:01,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:01,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:01,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:01,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 17:32:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:01,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:01,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:01,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:01,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:01,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:01,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:01,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:01,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:01,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:01,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:01,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:01,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 17:32:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:01,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:01,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:01,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:01,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:01,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:01,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:01,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:01,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:01,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:01,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:01,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:01,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-14 17:32:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:01,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:01,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:01,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:01,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:01,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:01,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:01,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:01,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:01,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:01,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:01,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:01,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 17:32:01,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:01,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:01,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:01,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:01,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:01,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:01,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:01,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:01,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:01,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:01,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:01,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:01,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 17:32:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:01,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:01,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:01,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:01,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:01,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:01,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:01,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:01,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:01,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:01,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:01,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:01,447 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2020-10-14 17:32:01,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1383605317] [2020-10-14 17:32:01,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:01,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 17:32:01,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823721068] [2020-10-14 17:32:01,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 17:32:01,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:01,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 17:32:01,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-14 17:32:01,450 INFO L87 Difference]: Start difference. First operand 94 states and 95 transitions. Second operand 7 states. [2020-10-14 17:32:01,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:01,546 INFO L93 Difference]: Finished difference Result 178 states and 180 transitions. [2020-10-14 17:32:01,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 17:32:01,547 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2020-10-14 17:32:01,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:01,549 INFO L225 Difference]: With dead ends: 178 [2020-10-14 17:32:01,549 INFO L226 Difference]: Without dead ends: 97 [2020-10-14 17:32:01,550 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-14 17:32:01,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-10-14 17:32:01,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 96. [2020-10-14 17:32:01,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-14 17:32:01,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 97 transitions. [2020-10-14 17:32:01,573 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 97 transitions. Word has length 91 [2020-10-14 17:32:01,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:01,574 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 97 transitions. [2020-10-14 17:32:01,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 17:32:01,574 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 97 transitions. [2020-10-14 17:32:01,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-14 17:32:01,576 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:01,576 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:01,576 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 17:32:01,576 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:01,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:01,576 INFO L82 PathProgramCache]: Analyzing trace with hash -215321119, now seen corresponding path program 12 times [2020-10-14 17:32:01,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:01,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [225538034] [2020-10-14 17:32:01,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:01,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:01,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:02,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:02,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 17:32:02,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:32:02,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1348 [2020-10-14 17:32:02,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:02,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:02,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-14 17:32:02,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:32:02,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 17:32:02,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:03,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:03,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:03,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:03,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:03,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:03,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:03,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:03,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:03,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:03,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:03,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:03,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:03,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 17:32:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:03,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:03,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:03,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:03,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:03,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:03,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:03,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:03,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:03,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:03,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:03,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:03,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 17:32:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:03,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:03,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:03,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:03,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:03,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:03,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:03,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:03,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:03,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:03,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:03,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:03,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 17:32:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:03,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:03,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:03,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:03,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:03,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:03,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:03,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:03,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:03,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:03,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:03,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:03,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 17:32:03,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:03,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:03,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:03,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:03,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:03,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:03,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:03,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:03,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:03,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:03,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:03,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:03,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 17:32:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:03,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:03,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:03,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:03,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:03,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:03,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:03,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:03,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:03,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:03,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:03,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:03,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 17:32:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:03,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:03,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:03,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:03,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:03,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:03,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:03,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:03,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:03,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:03,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:03,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:03,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 17:32:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:03,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:03,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:03,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:03,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:03,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:03,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:03,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:03,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:03,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:03,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:03,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:03,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 17:32:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:03,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:03,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:03,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:03,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:03,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:03,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:03,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:03,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:03,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:03,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:03,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:03,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 17:32:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:03,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:03,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:03,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:03,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:03,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:03,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:03,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:03,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:03,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:03,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:03,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:03,365 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 18 proven. 178 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-14 17:32:03,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [225538034] [2020-10-14 17:32:03,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:03,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-14 17:32:03,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596997298] [2020-10-14 17:32:03,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-14 17:32:03,367 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:03,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-14 17:32:03,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=379, Unknown=0, NotChecked=0, Total=420 [2020-10-14 17:32:03,369 INFO L87 Difference]: Start difference. First operand 96 states and 97 transitions. Second operand 21 states. [2020-10-14 17:32:05,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:05,138 INFO L93 Difference]: Finished difference Result 133 states and 142 transitions. [2020-10-14 17:32:05,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-14 17:32:05,139 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 93 [2020-10-14 17:32:05,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:05,141 INFO L225 Difference]: With dead ends: 133 [2020-10-14 17:32:05,141 INFO L226 Difference]: Without dead ends: 131 [2020-10-14 17:32:05,143 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=285, Invalid=1971, Unknown=0, NotChecked=0, Total=2256 [2020-10-14 17:32:05,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-10-14 17:32:05,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 104. [2020-10-14 17:32:05,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-14 17:32:05,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 105 transitions. [2020-10-14 17:32:05,165 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 105 transitions. Word has length 93 [2020-10-14 17:32:05,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:05,165 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 105 transitions. [2020-10-14 17:32:05,166 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-14 17:32:05,166 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 105 transitions. [2020-10-14 17:32:05,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-14 17:32:05,174 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:05,174 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:05,174 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 17:32:05,174 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:05,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:05,175 INFO L82 PathProgramCache]: Analyzing trace with hash 357880600, now seen corresponding path program 13 times [2020-10-14 17:32:05,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:05,175 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1850830308] [2020-10-14 17:32:05,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:05,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:05,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:06,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:06,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 17:32:06,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:32:06,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1202 [2020-10-14 17:32:06,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:06,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:06,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-14 17:32:06,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:32:06,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-14 17:32:06,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:06,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:06,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:06,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:06,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:06,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:06,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:06,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:06,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:06,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:06,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:06,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:06,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:06,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 17:32:06,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:06,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:06,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:06,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:06,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:06,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:06,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:06,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:06,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:06,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:06,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:06,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:06,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 17:32:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:06,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:06,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:06,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:06,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:06,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:06,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:06,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:06,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:06,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:06,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:06,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:06,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 17:32:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:06,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:06,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:06,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:06,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:06,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:06,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:06,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:06,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:06,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:06,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:06,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:06,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 17:32:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:06,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:06,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:06,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:06,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:06,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:06,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:06,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:06,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:06,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:06,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:06,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:06,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 17:32:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:06,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:06,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:06,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:06,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:06,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:06,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:06,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:06,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:06,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:06,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:06,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:06,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 17:32:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:06,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:06,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:06,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:06,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:06,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:06,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:06,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:06,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:06,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:06,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:06,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:06,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 17:32:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:06,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:06,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:06,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:06,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:06,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:06,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:06,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:06,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:06,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:06,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:06,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:06,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 17:32:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:06,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:06,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:06,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:06,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:06,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:06,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:06,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:06,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:06,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:06,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:06,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:06,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 17:32:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:06,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:06,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:06,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:06,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:06,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:06,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:06,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:06,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:06,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:06,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:06,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:06,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 17:32:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:06,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:06,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:06,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:06,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:06,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:32:06,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:06,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:06,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:06,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:06,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:06,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:06,957 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 20 proven. 216 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-14 17:32:06,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1850830308] [2020-10-14 17:32:06,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:06,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-14 17:32:06,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76823853] [2020-10-14 17:32:06,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-14 17:32:06,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:06,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-14 17:32:06,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2020-10-14 17:32:06,960 INFO L87 Difference]: Start difference. First operand 104 states and 105 transitions. Second operand 22 states. [2020-10-14 17:32:09,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:09,211 INFO L93 Difference]: Finished difference Result 141 states and 150 transitions. [2020-10-14 17:32:09,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-14 17:32:09,212 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 101 [2020-10-14 17:32:09,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:09,214 INFO L225 Difference]: With dead ends: 141 [2020-10-14 17:32:09,214 INFO L226 Difference]: Without dead ends: 139 [2020-10-14 17:32:09,216 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=297, Invalid=2253, Unknown=0, NotChecked=0, Total=2550 [2020-10-14 17:32:09,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-10-14 17:32:09,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 112. [2020-10-14 17:32:09,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-14 17:32:09,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 113 transitions. [2020-10-14 17:32:09,236 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 113 transitions. Word has length 101 [2020-10-14 17:32:09,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:09,236 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 113 transitions. [2020-10-14 17:32:09,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-14 17:32:09,237 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 113 transitions. [2020-10-14 17:32:09,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-14 17:32:09,242 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:09,242 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:09,242 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 17:32:09,243 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:09,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:09,243 INFO L82 PathProgramCache]: Analyzing trace with hash 612763983, now seen corresponding path program 14 times [2020-10-14 17:32:09,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:09,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [511205177] [2020-10-14 17:32:09,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:09,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:09,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:10,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:10,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-14 17:32:10,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:32:10,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1298 [2020-10-14 17:32:10,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:10,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:10,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-14 17:32:10,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:32:10,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-14 17:32:10,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:10,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:10,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:10,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:10,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:10,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:10,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:10,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:10,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:10,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:10,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:10,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:10,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:10,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 17:32:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:10,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:10,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:10,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:10,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:10,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:10,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:10,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:10,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:10,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:10,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:10,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:10,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 17:32:10,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:10,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:10,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:10,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:10,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:10,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:10,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:10,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:10,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:10,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:10,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:10,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:10,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 17:32:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:10,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:10,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:10,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:10,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:10,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:10,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:10,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:10,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:10,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:10,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:10,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:10,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 17:32:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:10,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:10,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:10,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:10,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:10,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:10,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:10,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:10,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:10,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:10,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:10,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:10,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 17:32:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:10,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:10,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:10,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:10,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:10,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:10,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:10,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:10,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:10,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:10,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:10,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:10,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 17:32:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:10,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:10,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:10,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:10,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:10,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:10,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:10,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:10,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:10,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:10,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:10,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:10,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 17:32:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:10,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:11,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:11,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:11,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:11,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:11,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:11,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:11,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:11,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:11,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:11,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:11,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 17:32:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:11,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:11,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:11,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:11,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:11,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:11,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:11,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:11,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:11,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:11,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:11,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:11,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 17:32:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:11,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:11,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:11,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:11,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:11,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:11,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:11,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:11,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:11,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:11,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:11,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:11,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 17:32:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:11,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:11,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:11,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:11,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:11,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:11,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:11,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:11,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:11,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:11,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:11,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:11,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 17:32:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:11,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:11,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:11,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:11,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:11,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:11,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:11,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:11,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:11,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:11,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:11,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:11,060 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 22 proven. 258 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-14 17:32:11,061 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [511205177] [2020-10-14 17:32:11,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:11,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-14 17:32:11,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686872534] [2020-10-14 17:32:11,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-14 17:32:11,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:11,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-14 17:32:11,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2020-10-14 17:32:11,063 INFO L87 Difference]: Start difference. First operand 112 states and 113 transitions. Second operand 23 states. [2020-10-14 17:32:13,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:13,289 INFO L93 Difference]: Finished difference Result 149 states and 158 transitions. [2020-10-14 17:32:13,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-14 17:32:13,290 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 109 [2020-10-14 17:32:13,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:13,292 INFO L225 Difference]: With dead ends: 149 [2020-10-14 17:32:13,292 INFO L226 Difference]: Without dead ends: 147 [2020-10-14 17:32:13,294 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 429 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=305, Invalid=2451, Unknown=0, NotChecked=0, Total=2756 [2020-10-14 17:32:13,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-10-14 17:32:13,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 120. [2020-10-14 17:32:13,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-14 17:32:13,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 121 transitions. [2020-10-14 17:32:13,312 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 121 transitions. Word has length 109 [2020-10-14 17:32:13,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:13,313 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 121 transitions. [2020-10-14 17:32:13,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-14 17:32:13,313 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 121 transitions. [2020-10-14 17:32:13,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-14 17:32:13,314 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:13,314 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:13,315 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 17:32:13,315 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:13,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:13,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1126885242, now seen corresponding path program 15 times [2020-10-14 17:32:13,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:13,316 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1247759263] [2020-10-14 17:32:13,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:13,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:13,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:13,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-14 17:32:13,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:13,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-10-14 17:32:13,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:13,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:13,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 17:32:13,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:32:13,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 17:32:13,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:13,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:13,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:13,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:13,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:13,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:13,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:13,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:13,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:13,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:13,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:13,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:13,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:13,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 17:32:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:13,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:13,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:13,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:13,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:13,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:13,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:13,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:13,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:13,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:13,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:13,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:13,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 17:32:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:13,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:13,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:13,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:13,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:13,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 17:32:13,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:13,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:13,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:13,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 17:32:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:13,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:13,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:13,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:13,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:13,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:13,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:13,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:13,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:13,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:13,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:13,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:13,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 17:32:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:13,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:13,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:13,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:13,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:13,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:13,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:13,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:13,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:13,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:13,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:13,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:13,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 17:32:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:13,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:13,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:13,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:13,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:13,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:13,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:13,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:13,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:13,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:13,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:13,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:13,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 17:32:13,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:13,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:13,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:13,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:13,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:13,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:13,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:13,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:13,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:13,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:13,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:13,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:13,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 17:32:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:13,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:13,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:13,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:13,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:13,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:13,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:13,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:13,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:13,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:13,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:13,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:13,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 17:32:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:13,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:13,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:13,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:13,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:13,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:13,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:13,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:13,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:13,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:13,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:13,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:13,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 17:32:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:13,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:13,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:13,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:13,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:13,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:13,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:13,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:13,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:13,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:13,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:13,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:13,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 17:32:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:13,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:13,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:13,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:13,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:13,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:13,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:13,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:13,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:13,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:13,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:13,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 17:32:13,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 17:32:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:13,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:13,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:13,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:13,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:13,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:13,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:13,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:13,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:13,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:13,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:13,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:13,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 17:32:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:13,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:13,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:13,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:13,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:13,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:13,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:13,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:13,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:13,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:13,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:13,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:13,693 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 24 proven. 16 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2020-10-14 17:32:13,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1247759263] [2020-10-14 17:32:13,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:13,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 17:32:13,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697612548] [2020-10-14 17:32:13,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 17:32:13,696 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:13,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 17:32:13,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 17:32:13,696 INFO L87 Difference]: Start difference. First operand 120 states and 121 transitions. Second operand 8 states. [2020-10-14 17:32:13,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:13,791 INFO L93 Difference]: Finished difference Result 228 states and 230 transitions. [2020-10-14 17:32:13,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 17:32:13,791 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 117 [2020-10-14 17:32:13,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:13,792 INFO L225 Difference]: With dead ends: 228 [2020-10-14 17:32:13,793 INFO L226 Difference]: Without dead ends: 123 [2020-10-14 17:32:13,794 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 17:32:13,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-10-14 17:32:13,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 122. [2020-10-14 17:32:13,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-10-14 17:32:13,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 123 transitions. [2020-10-14 17:32:13,816 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 123 transitions. Word has length 117 [2020-10-14 17:32:13,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:13,816 INFO L479 AbstractCegarLoop]: Abstraction has 122 states and 123 transitions. [2020-10-14 17:32:13,816 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 17:32:13,816 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 123 transitions. [2020-10-14 17:32:13,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-14 17:32:13,818 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:13,818 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:13,819 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 17:32:13,819 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:13,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:13,820 INFO L82 PathProgramCache]: Analyzing trace with hash -260504924, now seen corresponding path program 16 times [2020-10-14 17:32:13,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:13,820 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [819697281] [2020-10-14 17:32:13,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:13,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:14,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:15,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:15,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-14 17:32:15,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:32:15,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2115 [2020-10-14 17:32:15,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:15,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:15,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-14 17:32:15,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:32:15,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-14 17:32:15,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:16,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:16,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:16,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:16,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:16,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:16,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:16,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:16,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:16,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:16,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:16,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:16,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:16,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:32:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:16,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:16,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:16,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:16,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:16,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:16,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:16,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:16,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:16,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:16,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:16,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:16,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:32:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:16,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:16,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:16,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:16,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:16,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:16,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:16,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:16,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:16,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:16,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:16,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:16,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:32:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:16,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:16,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:16,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:16,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:16,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:16,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:16,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:16,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:16,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:16,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:16,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:16,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:32:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:16,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:16,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:16,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:16,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:16,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:16,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:16,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:16,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:16,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:16,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:16,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:16,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:32:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:16,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:16,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:16,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:16,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:16,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:16,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:16,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:16,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:16,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:16,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:16,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:16,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:32:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:16,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:16,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:16,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:16,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:16,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:16,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:16,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:16,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:16,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:16,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:16,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:16,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:32:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:16,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:16,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:16,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:16,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:16,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:32:16,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:16,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:16,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:16,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:16,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:16,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:16,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:32:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:16,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:16,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:16,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:16,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:16,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:16,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:16,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:16,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:16,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:16,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:16,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:16,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:32:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:16,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:16,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:16,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:16,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:16,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:16,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:16,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:16,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:16,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:16,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:16,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:16,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 17:32:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:16,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:16,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:16,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:16,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:16,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:16,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:16,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:16,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:16,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:16,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:16,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:16,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 17:32:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:16,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:16,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:16,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:16,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:16,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:16,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:16,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:16,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:16,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:16,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:16,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:16,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 17:32:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:16,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:16,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:16,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:16,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:16,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:16,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:16,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:16,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:16,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:16,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:16,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:16,557 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 24 proven. 313 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-14 17:32:16,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [819697281] [2020-10-14 17:32:16,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:16,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-14 17:32:16,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28404697] [2020-10-14 17:32:16,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-14 17:32:16,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:16,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-14 17:32:16,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=553, Unknown=0, NotChecked=0, Total=600 [2020-10-14 17:32:16,570 INFO L87 Difference]: Start difference. First operand 122 states and 123 transitions. Second operand 25 states. [2020-10-14 17:32:19,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:19,372 INFO L93 Difference]: Finished difference Result 165 states and 176 transitions. [2020-10-14 17:32:19,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-14 17:32:19,373 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 119 [2020-10-14 17:32:19,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:19,374 INFO L225 Difference]: With dead ends: 165 [2020-10-14 17:32:19,374 INFO L226 Difference]: Without dead ends: 163 [2020-10-14 17:32:19,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 588 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=398, Invalid=3142, Unknown=0, NotChecked=0, Total=3540 [2020-10-14 17:32:19,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-10-14 17:32:19,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 130. [2020-10-14 17:32:19,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-10-14 17:32:19,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 131 transitions. [2020-10-14 17:32:19,398 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 131 transitions. Word has length 119 [2020-10-14 17:32:19,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:19,401 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 131 transitions. [2020-10-14 17:32:19,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-14 17:32:19,401 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 131 transitions. [2020-10-14 17:32:19,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-14 17:32:19,402 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:19,402 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 13, 13, 13, 13, 13, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:19,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 17:32:19,403 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:19,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:19,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1098378459, now seen corresponding path program 17 times [2020-10-14 17:32:19,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:19,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [409644106] [2020-10-14 17:32:19,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:19,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:19,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:21,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:21,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-14 17:32:21,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:32:21,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2028 [2020-10-14 17:32:21,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:21,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:21,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-14 17:32:21,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:32:21,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-14 17:32:21,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:22,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:22,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:22,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:22,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:22,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:22,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:22,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:22,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:22,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:22,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:22,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:22,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:22,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:32:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:22,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:22,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:22,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:22,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:22,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:22,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:22,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:22,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:22,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:22,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:22,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:22,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:32:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:22,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:22,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:22,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:22,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:22,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:22,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:22,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:22,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:22,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:22,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:22,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:22,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:32:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:22,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:22,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:22,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:22,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:22,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:22,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:22,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:22,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:22,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:22,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:22,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:22,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:32:22,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:22,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:22,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:22,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:22,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:22,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:22,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:22,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:22,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:22,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:22,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:22,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:22,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:32:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:22,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:22,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:22,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:22,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:22,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:22,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:22,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:22,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:22,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:22,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:22,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:22,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:32:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:22,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:22,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:22,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:22,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:22,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:22,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:22,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:22,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:22,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:22,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:22,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:22,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:32:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:22,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:22,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:22,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:22,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:22,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:22,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:22,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:22,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:22,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:22,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:22,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:22,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:32:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:22,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:22,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:22,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:22,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:22,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:22,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:22,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:22,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:22,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:22,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:22,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:22,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:32:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:22,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:22,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:22,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:22,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:22,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:22,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:22,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:22,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:22,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:22,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:22,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:22,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 17:32:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:22,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:22,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:22,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:22,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:22,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:22,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:22,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:22,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:22,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:22,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:22,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:22,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 17:32:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:22,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:22,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:22,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:22,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:22,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:22,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:22,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:22,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:22,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:22,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:22,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:22,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 17:32:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:22,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:22,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:22,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:22,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:22,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:22,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:22,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:22,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:22,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:22,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:22,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:22,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 17:32:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:22,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:22,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:22,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:22,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:22,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:22,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:22,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:22,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:22,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:22,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:22,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:22,237 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 26 proven. 363 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-14 17:32:22,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [409644106] [2020-10-14 17:32:22,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:22,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-14 17:32:22,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237553460] [2020-10-14 17:32:22,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-14 17:32:22,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:22,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-14 17:32:22,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=601, Unknown=0, NotChecked=0, Total=650 [2020-10-14 17:32:22,244 INFO L87 Difference]: Start difference. First operand 130 states and 131 transitions. Second operand 26 states. [2020-10-14 17:32:25,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:25,321 INFO L93 Difference]: Finished difference Result 173 states and 184 transitions. [2020-10-14 17:32:25,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-14 17:32:25,322 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 127 [2020-10-14 17:32:25,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:25,324 INFO L225 Difference]: With dead ends: 173 [2020-10-14 17:32:25,325 INFO L226 Difference]: Without dead ends: 171 [2020-10-14 17:32:25,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 589 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=402, Invalid=3258, Unknown=0, NotChecked=0, Total=3660 [2020-10-14 17:32:25,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-14 17:32:25,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 138. [2020-10-14 17:32:25,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-10-14 17:32:25,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 139 transitions. [2020-10-14 17:32:25,339 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 139 transitions. Word has length 127 [2020-10-14 17:32:25,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:25,340 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 139 transitions. [2020-10-14 17:32:25,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-14 17:32:25,340 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 139 transitions. [2020-10-14 17:32:25,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-14 17:32:25,342 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:25,342 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 14, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:25,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 17:32:25,342 INFO L427 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:25,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:25,343 INFO L82 PathProgramCache]: Analyzing trace with hash 480292882, now seen corresponding path program 18 times [2020-10-14 17:32:25,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:25,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1904735329] [2020-10-14 17:32:25,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:25,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:25,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:26,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:26,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-14 17:32:26,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:32:26,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1580 [2020-10-14 17:32:26,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:26,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:26,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-14 17:32:26,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:32:26,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-10-14 17:32:26,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:27,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:27,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:27,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:27,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:27,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:27,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:27,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:27,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:27,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:27,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:27,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:27,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:27,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:32:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:27,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:27,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:27,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:27,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:27,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:27,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:27,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:27,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:27,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:27,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:27,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:27,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:32:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:27,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:27,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:27,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:27,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:27,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:27,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:27,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:27,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:27,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:27,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:27,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:27,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:32:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:27,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:27,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:27,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:27,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:27,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:27,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:27,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:27,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:27,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:27,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:27,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:27,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:32:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:27,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:27,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:27,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:27,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:27,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:27,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:27,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:27,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:27,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:27,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:27,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:27,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:32:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:27,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:27,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:27,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:27,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:27,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:27,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:27,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:27,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:27,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:27,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:27,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:27,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:32:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:27,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:27,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:27,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:27,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:27,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:27,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:27,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:27,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:27,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:27,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:27,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:27,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:32:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:27,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:27,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:27,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:27,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:27,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:27,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:27,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:27,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:27,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:27,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:27,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:27,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:32:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:27,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:27,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:27,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:27,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:27,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:27,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:27,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:27,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:27,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:27,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:27,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:27,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:32:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:27,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:27,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:27,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:27,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:27,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:27,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:27,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:27,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:27,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:27,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:27,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:27,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 17:32:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:27,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:27,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:27,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:27,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:27,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:27,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:27,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:27,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:27,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:27,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:27,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:27,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 17:32:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:27,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:27,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:27,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:27,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:27,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:27,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:27,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:27,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:27,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:27,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:27,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:27,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 17:32:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:27,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:27,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:27,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:27,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:27,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:27,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:27,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:27,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:27,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:27,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:27,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:27,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 17:32:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:27,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:27,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:27,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:27,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:27,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:27,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:27,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:27,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:27,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:27,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:27,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:27,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 17:32:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:27,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:27,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:27,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:27,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:27,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:27,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:27,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:27,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:27,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:27,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:27,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:27,663 INFO L134 CoverageAnalysis]: Checked inductivity of 809 backedges. 28 proven. 417 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-10-14 17:32:27,663 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1904735329] [2020-10-14 17:32:27,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:27,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-14 17:32:27,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337566672] [2020-10-14 17:32:27,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-14 17:32:27,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:27,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-14 17:32:27,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2020-10-14 17:32:27,666 INFO L87 Difference]: Start difference. First operand 138 states and 139 transitions. Second operand 27 states. [2020-10-14 17:32:30,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:30,834 INFO L93 Difference]: Finished difference Result 181 states and 192 transitions. [2020-10-14 17:32:30,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-14 17:32:30,835 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 135 [2020-10-14 17:32:30,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:30,837 INFO L225 Difference]: With dead ends: 181 [2020-10-14 17:32:30,837 INFO L226 Difference]: Without dead ends: 179 [2020-10-14 17:32:30,839 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 659 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=415, Invalid=3617, Unknown=0, NotChecked=0, Total=4032 [2020-10-14 17:32:30,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-10-14 17:32:30,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 146. [2020-10-14 17:32:30,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-10-14 17:32:30,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 147 transitions. [2020-10-14 17:32:30,852 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 147 transitions. Word has length 135 [2020-10-14 17:32:30,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:30,852 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 147 transitions. [2020-10-14 17:32:30,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-14 17:32:30,853 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 147 transitions. [2020-10-14 17:32:30,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-14 17:32:30,854 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:30,854 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 15, 15, 15, 15, 15, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:30,854 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 17:32:30,854 INFO L427 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:30,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:30,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1258966089, now seen corresponding path program 19 times [2020-10-14 17:32:30,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:30,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [688597802] [2020-10-14 17:32:30,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:30,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-14 17:32:31,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 245 [2020-10-14 17:32:31,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 17:32:31,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:32:31,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 17:32:31,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:31,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:31,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:31,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:31,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:31,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:32:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:31,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:31,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:31,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:31,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:31,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:32:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:31,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:31,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:31,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:31,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:31,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:32:31,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:31,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:31,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:31,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:31,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:31,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:32:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:31,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:31,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:31,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:31,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:31,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:32:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:31,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:31,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:31,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:31,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:31,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:32:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:31,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:31,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:31,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:31,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:31,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:32:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:31,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:31,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:31,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:31,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:31,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:32:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:31,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:31,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:31,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:31,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:31,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:32:31,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:31,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:31,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:31,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:31,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:31,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 17:32:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:31,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:31,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:31,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:31,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:31,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 17:32:31,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:31,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:31,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:31,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:31,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:31,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 17:32:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:31,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:31,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:31,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:31,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:31,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 17:32:31,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:31,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:31,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:31,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:31,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:31,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 17:32:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:31,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:31,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:31,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:31,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:31,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 17:32:31,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:31,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:31,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:31,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:31,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:31,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,244 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 30 proven. 25 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2020-10-14 17:32:31,244 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [688597802] [2020-10-14 17:32:31,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:31,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 17:32:31,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041240088] [2020-10-14 17:32:31,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 17:32:31,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:31,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 17:32:31,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-14 17:32:31,246 INFO L87 Difference]: Start difference. First operand 146 states and 147 transitions. Second operand 9 states. [2020-10-14 17:32:31,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:31,341 INFO L93 Difference]: Finished difference Result 278 states and 280 transitions. [2020-10-14 17:32:31,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 17:32:31,342 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 143 [2020-10-14 17:32:31,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:31,343 INFO L225 Difference]: With dead ends: 278 [2020-10-14 17:32:31,344 INFO L226 Difference]: Without dead ends: 149 [2020-10-14 17:32:31,345 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-14 17:32:31,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-10-14 17:32:31,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 148. [2020-10-14 17:32:31,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-10-14 17:32:31,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 149 transitions. [2020-10-14 17:32:31,360 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 149 transitions. Word has length 143 [2020-10-14 17:32:31,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:31,360 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 149 transitions. [2020-10-14 17:32:31,361 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 17:32:31,361 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 149 transitions. [2020-10-14 17:32:31,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-14 17:32:31,362 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:31,363 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 15, 15, 15, 15, 15, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:31,363 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 17:32:31,363 INFO L427 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:31,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:31,363 INFO L82 PathProgramCache]: Analyzing trace with hash 968731879, now seen corresponding path program 20 times [2020-10-14 17:32:31,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:31,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [823890003] [2020-10-14 17:32:31,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:33,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:33,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 17:32:33,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:32:33,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1859 [2020-10-14 17:32:33,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:33,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:33,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-14 17:32:33,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:32:33,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-10-14 17:32:33,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:33,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:33,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:33,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:33,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:33,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:33,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:33,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:33,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:33,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:33,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:33,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:33,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:33,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 17:32:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:33,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:33,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:33,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:33,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:33,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:33,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:33,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:33,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:33,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:33,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:33,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:33,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 17:32:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:33,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:33,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:33,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:33,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:33,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:33,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:33,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:33,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:33,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:33,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:33,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:33,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 17:32:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:33,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:33,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:33,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:33,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:33,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:33,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:33,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:33,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:33,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:33,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:33,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:33,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 17:32:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:33,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:33,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:33,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:33,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:33,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:33,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:33,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:33,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:33,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:33,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:33,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:33,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 17:32:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:33,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:33,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:33,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:33,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:33,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:33,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:33,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:33,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:33,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:33,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:33,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:33,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 17:32:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:33,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:33,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:33,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:33,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:33,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:33,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:33,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:33,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:33,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:33,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:33,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:33,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 17:32:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:33,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:33,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:33,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:33,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:33,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:33,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:33,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:33,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:33,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:33,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:33,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:33,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 17:32:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:33,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:33,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:33,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:33,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:33,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:33,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:33,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:33,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:33,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:33,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:33,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:33,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 17:32:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:33,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:33,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:33,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:33,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:33,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:33,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:33,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:33,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:33,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:33,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:33,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:33,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 17:32:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:33,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:33,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:33,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:33,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:33,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:33,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:33,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:33,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:33,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:33,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:33,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:33,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 17:32:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:33,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:33,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:33,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:33,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:33,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:33,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:33,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:33,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:33,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:33,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:33,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:33,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 17:32:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:33,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:33,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:33,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:33,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:33,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:33,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:33,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:33,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:33,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:33,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:33,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:33,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 17:32:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:33,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:33,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:33,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:33,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:33,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:33,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:33,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:33,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:33,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:33,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:33,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:33,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 17:32:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:33,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:33,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:33,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:33,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:33,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:33,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:33,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:33,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:33,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:33,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:33,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:33,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 17:32:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:33,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:33,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:33,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:33,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:33,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:33,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:33,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:33,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:33,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:33,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:33,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:33,989 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 30 proven. 486 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-14 17:32:33,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [823890003] [2020-10-14 17:32:33,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:33,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-14 17:32:33,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767456028] [2020-10-14 17:32:33,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-14 17:32:33,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:33,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-14 17:32:33,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=755, Unknown=0, NotChecked=0, Total=812 [2020-10-14 17:32:33,991 INFO L87 Difference]: Start difference. First operand 148 states and 149 transitions. Second operand 29 states. [2020-10-14 17:32:37,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:37,834 INFO L93 Difference]: Finished difference Result 197 states and 210 transitions. [2020-10-14 17:32:37,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-10-14 17:32:37,838 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 145 [2020-10-14 17:32:37,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:37,839 INFO L225 Difference]: With dead ends: 197 [2020-10-14 17:32:37,840 INFO L226 Difference]: Without dead ends: 195 [2020-10-14 17:32:37,841 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 872 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=521, Invalid=4309, Unknown=0, NotChecked=0, Total=4830 [2020-10-14 17:32:37,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-10-14 17:32:37,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 156. [2020-10-14 17:32:37,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-10-14 17:32:37,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 157 transitions. [2020-10-14 17:32:37,856 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 157 transitions. Word has length 145 [2020-10-14 17:32:37,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:37,857 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 157 transitions. [2020-10-14 17:32:37,857 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-14 17:32:37,857 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 157 transitions. [2020-10-14 17:32:37,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-14 17:32:37,859 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:37,859 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 16, 16, 16, 16, 16, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:37,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 17:32:37,859 INFO L427 AbstractCegarLoop]: === Iteration 23 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:37,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:37,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1180410910, now seen corresponding path program 21 times [2020-10-14 17:32:37,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:37,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [972333315] [2020-10-14 17:32:37,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:37,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:38,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-14 17:32:40,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:32:40,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2249 [2020-10-14 17:32:40,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-14 17:32:40,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:32:40,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-14 17:32:40,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:40,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:40,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:40,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:40,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 17:32:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:40,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:40,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:40,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 17:32:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:40,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:40,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:40,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 17:32:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:40,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:40,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:40,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 17:32:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:40,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:40,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:40,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 17:32:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:40,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:40,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:40,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 17:32:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:40,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:40,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:40,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 17:32:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:40,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:40,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:40,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 17:32:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:40,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:40,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:40,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 17:32:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:40,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:40,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:40,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 17:32:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:40,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:40,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:40,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 17:32:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:40,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:40,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:40,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 17:32:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:40,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:40,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:40,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 17:32:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:40,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:40,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:40,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 17:32:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:40,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:40,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:40,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 17:32:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:40,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:40,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:40,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 17:32:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:40,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:40,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:40,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1060 backedges. 32 proven. 548 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-10-14 17:32:40,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [972333315] [2020-10-14 17:32:40,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:40,919 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-14 17:32:40,919 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194273363] [2020-10-14 17:32:40,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-14 17:32:40,920 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:40,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-14 17:32:40,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=813, Unknown=0, NotChecked=0, Total=870 [2020-10-14 17:32:40,921 INFO L87 Difference]: Start difference. First operand 156 states and 157 transitions. Second operand 30 states. [2020-10-14 17:32:45,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:45,119 INFO L93 Difference]: Finished difference Result 205 states and 218 transitions. [2020-10-14 17:32:45,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-10-14 17:32:45,121 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 153 [2020-10-14 17:32:45,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:45,123 INFO L225 Difference]: With dead ends: 205 [2020-10-14 17:32:45,123 INFO L226 Difference]: Without dead ends: 203 [2020-10-14 17:32:45,125 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 895 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=533, Invalid=4723, Unknown=0, NotChecked=0, Total=5256 [2020-10-14 17:32:45,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-10-14 17:32:45,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 164. [2020-10-14 17:32:45,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-10-14 17:32:45,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 165 transitions. [2020-10-14 17:32:45,148 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 165 transitions. Word has length 153 [2020-10-14 17:32:45,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:45,149 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 165 transitions. [2020-10-14 17:32:45,149 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-14 17:32:45,149 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 165 transitions. [2020-10-14 17:32:45,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-14 17:32:45,151 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:45,151 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 17, 17, 17, 17, 17, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:45,151 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 17:32:45,151 INFO L427 AbstractCegarLoop]: === Iteration 24 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:45,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:45,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1204188245, now seen corresponding path program 22 times [2020-10-14 17:32:45,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:45,152 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1201597312] [2020-10-14 17:32:45,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:45,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:45,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:47,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:47,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-14 17:32:47,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:32:47,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2295 [2020-10-14 17:32:47,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:47,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:47,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-14 17:32:47,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:32:47,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 191 [2020-10-14 17:32:47,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:48,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:48,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:48,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:48,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:48,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:48,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:48,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:48,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:48,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:48,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:48,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:48,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:48,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 17:32:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:48,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:48,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:48,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:48,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:48,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:48,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:48,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:48,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:48,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:48,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:48,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:48,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 17:32:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:48,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:48,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:48,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:48,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:48,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:48,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:48,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:48,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:48,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:48,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:48,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:48,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 17:32:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:48,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:48,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:48,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:48,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:48,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:48,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:48,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:48,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:48,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:48,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:48,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:48,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 17:32:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:48,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:48,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:48,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:48,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:48,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:48,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:48,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:48,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:48,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:48,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:48,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:48,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 17:32:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:48,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:48,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:48,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:48,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:48,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:48,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:48,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:48,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:48,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:48,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:48,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:48,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 17:32:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:48,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:48,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:48,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:48,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:48,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:48,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:48,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:48,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:48,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:48,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:48,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:48,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 17:32:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:48,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:48,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:48,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:48,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:48,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:48,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:48,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:48,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:48,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:48,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:48,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:48,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 17:32:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:48,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:48,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:48,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:48,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:48,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:48,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:48,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:48,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:48,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:48,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:48,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:48,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 17:32:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:48,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:48,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:48,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:48,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:48,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:48,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:48,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:48,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:48,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:48,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:48,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:48,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 17:32:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:48,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:48,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:48,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:48,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:48,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:48,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:48,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:48,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:48,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:48,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:48,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:48,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 17:32:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:48,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:48,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:48,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:48,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:48,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:48,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:48,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:48,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:48,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:48,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:48,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:48,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 17:32:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:48,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:48,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:48,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:48,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:48,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:48,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:48,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:48,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:48,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:48,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:48,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:48,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 17:32:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:48,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:48,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:48,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:48,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:48,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:48,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:48,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:48,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:48,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:48,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:48,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:48,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 17:32:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:48,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:48,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:48,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:48,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:48,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:48,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:48,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:48,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:48,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:48,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:48,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:48,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 17:32:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:48,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:48,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:48,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:48,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:48,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:48,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:48,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:48,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:48,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:48,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:48,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:48,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 17:32:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:48,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:48,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:48,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:48,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:48,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:48,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:48,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:48,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:48,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:48,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:48,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:48,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 17:32:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:48,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:48,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:48,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:48,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:48,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:48,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:48,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:48,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:48,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:48,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:48,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:48,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1192 backedges. 34 proven. 614 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-14 17:32:48,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1201597312] [2020-10-14 17:32:48,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:48,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-14 17:32:48,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509836301] [2020-10-14 17:32:48,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-14 17:32:48,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:48,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-14 17:32:48,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=871, Unknown=0, NotChecked=0, Total=930 [2020-10-14 17:32:48,342 INFO L87 Difference]: Start difference. First operand 164 states and 165 transitions. Second operand 31 states. [2020-10-14 17:32:52,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:52,846 INFO L93 Difference]: Finished difference Result 213 states and 226 transitions. [2020-10-14 17:32:52,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-10-14 17:32:52,848 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 161 [2020-10-14 17:32:52,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:52,850 INFO L225 Difference]: With dead ends: 213 [2020-10-14 17:32:52,850 INFO L226 Difference]: Without dead ends: 211 [2020-10-14 17:32:52,852 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 938 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=541, Invalid=5009, Unknown=0, NotChecked=0, Total=5550 [2020-10-14 17:32:52,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-10-14 17:32:52,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 172. [2020-10-14 17:32:52,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-10-14 17:32:52,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 173 transitions. [2020-10-14 17:32:52,869 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 173 transitions. Word has length 161 [2020-10-14 17:32:52,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:52,869 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 173 transitions. [2020-10-14 17:32:52,869 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-14 17:32:52,869 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 173 transitions. [2020-10-14 17:32:52,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-14 17:32:52,870 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:52,871 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 18, 18, 18, 18, 18, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:52,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 17:32:52,871 INFO L427 AbstractCegarLoop]: === Iteration 25 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:52,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:52,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1273684596, now seen corresponding path program 23 times [2020-10-14 17:32:52,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:52,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [474811591] [2020-10-14 17:32:52,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:52,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:53,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:53,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-14 17:32:53,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:53,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 377 [2020-10-14 17:32:53,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:53,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:53,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 17:32:53,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:32:53,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 17:32:53,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:53,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:53,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:53,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:53,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:53,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:53,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:53,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:53,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:53,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:53,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:53,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:53,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:53,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 17:32:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:53,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:53,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:53,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:53,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:53,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:53,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:53,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:53,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:53,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:53,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:53,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:53,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 17:32:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:53,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:53,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:53,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:53,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:53,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:53,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:53,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:53,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:53,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:53,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:53,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:53,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 17:32:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:53,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:53,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:53,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:53,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:53,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:53,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:53,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:53,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:53,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:53,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:53,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:53,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 17:32:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:53,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:53,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:53,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:53,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:53,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:53,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:53,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:53,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:53,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:53,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:53,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:53,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 17:32:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:53,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:53,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:53,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:53,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:53,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:53,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:53,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:53,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:53,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:53,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:53,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:53,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 17:32:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:53,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:53,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:53,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:53,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:53,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:53,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:53,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:53,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:53,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:53,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:53,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:53,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 17:32:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:53,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:53,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:53,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:53,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:53,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:53,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:53,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:53,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:53,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:53,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:53,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:53,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 17:32:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:53,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:53,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:53,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:53,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:53,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:53,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:53,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:53,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:53,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:53,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:53,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:53,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 17:32:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:53,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:53,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:53,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:53,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:53,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:53,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:53,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:53,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:53,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:53,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:53,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:53,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 17:32:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:53,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:53,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:53,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:53,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:53,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:53,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:53,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:53,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:53,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:53,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:53,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:53,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 17:32:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:53,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:53,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:53,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:53,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:53,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:53,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:53,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:53,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:53,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:53,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:53,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:53,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 17:32:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:53,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:53,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:53,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:53,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:53,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:53,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:53,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:53,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:53,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:53,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:53,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:53,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 17:32:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:53,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:53,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:53,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:53,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:53,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:53,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:53,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:53,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:53,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:53,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:53,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:53,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 17:32:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:53,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:53,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:53,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:53,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:53,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:53,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:53,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:53,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:53,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:53,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:53,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:53,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 17:32:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:53,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:53,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:53,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:53,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:53,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:53,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:53,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:53,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:53,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:53,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:53,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:53,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 17:32:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:53,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:53,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:53,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:53,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:53,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:53,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:53,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:53,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:53,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:53,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:53,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:53,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 17:32:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:53,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:53,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:53,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:53,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:53,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:53,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:53,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:53,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:53,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:53,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:53,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:53,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 17:32:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:53,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:53,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:53,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:53,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:53,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:53,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:53,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:53,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:53,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:32:53,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:53,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:53,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2020-10-14 17:32:53,408 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [474811591] [2020-10-14 17:32:53,408 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:53,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 17:32:53,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335576197] [2020-10-14 17:32:53,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 17:32:53,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:53,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 17:32:53,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2020-10-14 17:32:53,409 INFO L87 Difference]: Start difference. First operand 172 states and 173 transitions. Second operand 10 states. [2020-10-14 17:32:53,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:53,496 INFO L93 Difference]: Finished difference Result 328 states and 330 transitions. [2020-10-14 17:32:53,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 17:32:53,497 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 169 [2020-10-14 17:32:53,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:53,498 INFO L225 Difference]: With dead ends: 328 [2020-10-14 17:32:53,499 INFO L226 Difference]: Without dead ends: 175 [2020-10-14 17:32:53,500 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2020-10-14 17:32:53,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-10-14 17:32:53,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 174. [2020-10-14 17:32:53,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-10-14 17:32:53,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 175 transitions. [2020-10-14 17:32:53,518 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 175 transitions. Word has length 169 [2020-10-14 17:32:53,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:53,518 INFO L479 AbstractCegarLoop]: Abstraction has 174 states and 175 transitions. [2020-10-14 17:32:53,518 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 17:32:53,518 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 175 transitions. [2020-10-14 17:32:53,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-14 17:32:53,520 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:53,520 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 18, 18, 18, 18, 18, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:53,520 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-14 17:32:53,520 INFO L427 AbstractCegarLoop]: === Iteration 26 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:53,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:53,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1621568342, now seen corresponding path program 24 times [2020-10-14 17:32:53,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:53,521 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2033629541] [2020-10-14 17:32:53,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:53,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:53,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:56,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:56,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-14 17:32:56,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:32:56,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2560 [2020-10-14 17:32:56,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:56,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:56,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-14 17:32:56,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:32:56,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 203 [2020-10-14 17:32:56,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:57,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:57,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:57,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:57,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:57,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:57,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:57,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:57,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:57,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:57,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:57,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:57,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:57,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 17:32:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:57,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:57,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:57,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:57,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:57,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:57,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:57,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:57,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:57,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:57,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:57,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:57,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 17:32:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:57,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:57,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:57,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:57,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:57,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:57,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:57,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:57,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:57,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:57,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:57,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:57,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 17:32:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:57,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:57,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:57,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:57,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:57,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:57,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:57,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:57,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:57,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:57,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:57,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:57,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 17:32:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:57,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:57,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:57,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:57,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:57,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:57,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:57,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:57,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:57,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:57,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:57,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:57,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 17:32:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:57,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:57,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:57,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:57,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:57,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:57,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:57,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:57,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:57,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:57,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:57,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:57,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-14 17:32:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:57,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:57,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:57,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:57,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:57,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:57,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:57,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:57,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:57,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:57,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:57,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:57,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 17:32:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:57,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:57,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:57,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:57,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:57,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:57,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:57,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:57,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:57,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:57,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:57,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:57,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 17:32:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:57,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:57,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:57,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:57,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:57,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:57,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:57,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:57,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:57,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:57,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:57,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:57,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 17:32:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:57,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:57,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:57,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:57,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:57,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:57,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:57,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:57,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:57,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:57,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:57,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:57,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 17:32:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:57,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:57,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:57,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:57,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:57,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:57,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:57,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:57,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:57,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:57,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:57,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:57,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 17:32:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:57,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:57,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:57,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:57,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:57,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:57,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:57,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:57,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:57,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:57,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:57,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:57,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-14 17:32:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:57,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:57,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:57,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:57,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:57,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:57,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:57,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:57,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:57,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:57,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:57,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:57,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-14 17:32:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:57,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:57,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:57,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:57,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:57,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:57,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:57,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:57,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:57,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:57,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:57,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:57,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 17:32:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:57,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:57,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:57,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:57,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:57,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:57,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:57,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:57,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:57,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:57,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:57,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:57,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-14 17:32:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:57,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:57,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:57,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:57,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:57,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:32:57,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:57,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:57,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:57,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:57,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:57,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:57,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 17:32:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:57,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:57,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:57,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:57,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:57,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:57,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:57,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:57,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:57,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:57,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:57,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:57,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-14 17:32:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:57,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:57,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:57,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:57,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:57,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:57,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:57,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:57,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:57,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:57,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:57,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:57,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-14 17:32:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:57,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:57,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:57,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:57,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:57,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:57,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:57,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:57,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:57,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:57,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:57,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:57,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 36 proven. 697 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-14 17:32:57,257 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2033629541] [2020-10-14 17:32:57,257 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:57,257 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-14 17:32:57,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740866477] [2020-10-14 17:32:57,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-14 17:32:57,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:57,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-14 17:32:57,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=991, Unknown=0, NotChecked=0, Total=1056 [2020-10-14 17:32:57,259 INFO L87 Difference]: Start difference. First operand 174 states and 175 transitions. Second operand 33 states. [2020-10-14 17:32:58,591 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2020-10-14 17:33:02,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:33:02,674 INFO L93 Difference]: Finished difference Result 229 states and 244 transitions. [2020-10-14 17:33:02,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-10-14 17:33:02,675 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 171 [2020-10-14 17:33:02,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:33:02,678 INFO L225 Difference]: With dead ends: 229 [2020-10-14 17:33:02,678 INFO L226 Difference]: Without dead ends: 227 [2020-10-14 17:33:02,682 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1189 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=663, Invalid=5817, Unknown=0, NotChecked=0, Total=6480 [2020-10-14 17:33:02,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-14 17:33:02,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 182. [2020-10-14 17:33:02,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-10-14 17:33:02,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 183 transitions. [2020-10-14 17:33:02,713 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 183 transitions. Word has length 171 [2020-10-14 17:33:02,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:33:02,714 INFO L479 AbstractCegarLoop]: Abstraction has 182 states and 183 transitions. [2020-10-14 17:33:02,714 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-14 17:33:02,715 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 183 transitions. [2020-10-14 17:33:02,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-14 17:33:02,717 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:33:02,717 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 19, 19, 19, 19, 19, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:33:02,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-14 17:33:02,718 INFO L427 AbstractCegarLoop]: === Iteration 27 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:33:02,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:33:02,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1040210145, now seen corresponding path program 25 times [2020-10-14 17:33:02,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:33:02,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [427049049] [2020-10-14 17:33:02,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:33:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:02,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:02,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:06,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:06,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-14 17:33:06,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:33:06,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3328 [2020-10-14 17:33:06,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:06,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:06,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-14 17:33:06,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:33:06,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 213 [2020-10-14 17:33:06,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:07,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:33:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:07,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:07,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:07,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:33:07,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:07,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:07,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:07,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:07,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:07,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:07,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:07,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:07,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 17:33:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:07,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:07,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:07,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:07,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:07,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:07,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:07,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:07,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:07,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:07,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:07,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:07,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 17:33:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:07,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:07,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:07,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:07,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:07,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:07,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:07,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:07,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:07,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:07,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:07,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:07,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 17:33:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:07,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:07,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:07,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:07,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:07,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:33:07,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:07,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:07,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:07,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:07,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:07,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:07,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 17:33:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:07,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:07,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:07,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:07,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:07,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:33:07,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:07,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:07,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:07,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:07,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:07,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:07,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 17:33:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:07,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:07,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:07,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:07,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:07,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:07,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:07,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:07,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:07,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:07,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:07,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:07,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-14 17:33:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:07,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:07,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:07,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:07,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:07,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:07,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:07,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:07,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:07,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:07,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:07,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:07,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 17:33:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:07,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:07,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:07,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:07,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:07,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:07,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:07,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:07,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:07,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:07,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:07,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:07,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 17:33:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:07,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:07,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:07,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:07,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:07,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:07,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:07,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:07,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:07,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:07,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:07,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:07,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 17:33:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:07,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:07,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:07,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:07,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:07,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:07,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:07,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:07,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:07,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:07,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:07,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 17:33:07,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 17:33:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:07,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:07,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:07,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:07,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:07,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:07,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:07,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:07,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:07,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:07,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:07,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 17:33:07,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 17:33:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:07,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:07,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:07,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:07,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:07,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:07,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:07,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:07,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:07,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:07,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:07,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:07,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-14 17:33:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:07,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:07,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:07,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:07,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:07,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:07,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:07,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:07,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:07,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:07,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:07,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:07,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-14 17:33:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:07,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:07,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:07,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:07,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:07,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:07,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:07,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:07,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:07,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:07,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:07,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:07,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 17:33:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:07,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:07,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:07,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:07,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:07,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:33:07,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:07,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:07,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:07,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:07,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:07,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:07,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-14 17:33:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:07,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:07,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:07,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:07,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:07,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:07,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:07,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:07,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:07,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:07,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:07,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:07,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 17:33:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:07,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:07,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:07,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:07,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:07,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:07,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:07,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:07,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:07,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:07,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:07,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:07,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-14 17:33:07,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:07,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:07,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:07,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:07,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:07,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:07,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:07,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:07,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:07,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:07,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:07,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:07,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-14 17:33:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:07,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:07,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:07,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:07,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:07,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:07,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:07,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:07,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:07,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:07,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:07,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:07,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-14 17:33:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:07,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:07,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:07,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:07,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:07,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:07,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:07,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:07,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:07,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:07,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:07,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:07,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1493 backedges. 38 proven. 771 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-10-14 17:33:07,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [427049049] [2020-10-14 17:33:07,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:33:07,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-10-14 17:33:07,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810391743] [2020-10-14 17:33:07,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-14 17:33:07,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:33:07,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-14 17:33:07,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=1057, Unknown=0, NotChecked=0, Total=1122 [2020-10-14 17:33:07,551 INFO L87 Difference]: Start difference. First operand 182 states and 183 transitions. Second operand 34 states. [2020-10-14 17:33:09,031 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2020-10-14 17:33:13,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:33:13,459 INFO L93 Difference]: Finished difference Result 237 states and 252 transitions. [2020-10-14 17:33:13,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-10-14 17:33:13,460 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 179 [2020-10-14 17:33:13,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:33:13,463 INFO L225 Difference]: With dead ends: 237 [2020-10-14 17:33:13,463 INFO L226 Difference]: Without dead ends: 235 [2020-10-14 17:33:13,466 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1216 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=675, Invalid=6297, Unknown=0, NotChecked=0, Total=6972 [2020-10-14 17:33:13,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-10-14 17:33:13,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 190. [2020-10-14 17:33:13,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-10-14 17:33:13,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 191 transitions. [2020-10-14 17:33:13,487 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 191 transitions. Word has length 179 [2020-10-14 17:33:13,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:33:13,488 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 191 transitions. [2020-10-14 17:33:13,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-14 17:33:13,488 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 191 transitions. [2020-10-14 17:33:13,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-10-14 17:33:13,489 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:33:13,489 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 20, 20, 20, 20, 20, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:33:13,489 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-14 17:33:13,490 INFO L427 AbstractCegarLoop]: === Iteration 28 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:33:13,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:33:13,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1771550232, now seen corresponding path program 26 times [2020-10-14 17:33:13,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:33:13,490 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1719537564] [2020-10-14 17:33:13,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:33:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:13,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:13,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:16,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:16,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-14 17:33:16,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:33:16,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3094 [2020-10-14 17:33:16,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:16,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:16,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-14 17:33:16,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:33:16,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 223 [2020-10-14 17:33:16,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:17,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:33:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:17,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:17,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:17,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:33:17,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:17,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:17,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:17,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:17,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:17,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:17,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:17,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:17,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 17:33:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:17,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:17,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:17,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:17,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:17,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 17:33:17,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:17,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:17,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:17,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:17,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:17,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:17,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 17:33:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:17,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:17,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:17,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:17,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:17,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:33:17,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:17,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:17,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:17,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:17,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:17,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:17,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 17:33:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:18,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:18,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:18,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:18,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:18,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:18,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:18,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:18,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:18,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:18,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:18,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:18,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 17:33:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:18,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:18,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:18,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:18,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:18,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:33:18,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:18,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:18,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:18,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:18,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:18,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:18,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 17:33:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:18,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:18,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:18,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:18,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:18,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:33:18,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:18,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:18,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:18,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:18,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:18,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:18,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-14 17:33:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:18,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:18,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:18,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:18,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:18,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:33:18,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:18,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:18,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:18,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:18,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:18,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:18,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 17:33:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:18,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:18,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:18,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:18,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:18,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:18,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:18,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:18,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:18,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:18,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:18,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:18,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 17:33:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:18,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:18,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:18,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:18,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:18,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:18,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:18,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:18,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:18,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:18,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:18,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:18,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 17:33:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:18,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:18,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:18,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:18,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:18,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:18,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:18,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:18,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:18,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:18,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:18,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:18,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 17:33:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:18,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:18,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:18,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:18,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:18,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:18,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:18,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:18,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:18,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:18,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:18,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:18,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 17:33:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:18,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:18,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:18,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:18,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:18,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:18,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:18,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:18,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:18,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:18,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:18,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:18,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-14 17:33:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:18,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:18,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:18,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:18,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:18,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:18,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:18,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:18,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:18,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:18,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:18,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:18,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-14 17:33:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:18,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:18,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:18,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:18,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:18,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:18,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:18,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:18,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:18,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:18,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:18,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:18,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 17:33:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:18,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:18,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:18,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:18,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:18,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:18,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:18,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:18,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:18,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:18,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:18,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:18,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-14 17:33:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:18,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:18,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:18,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:18,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:18,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:18,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:18,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:18,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:18,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:18,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:18,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:18,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 17:33:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:18,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:18,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:18,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:18,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:18,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:18,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:18,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:18,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:18,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:18,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:18,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:18,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-14 17:33:18,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:18,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:18,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:18,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:18,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:18,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:18,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:18,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:18,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:18,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:18,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:18,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:18,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-14 17:33:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:18,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:18,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:18,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:18,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:18,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:18,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:18,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:18,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:18,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:18,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:18,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:18,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-14 17:33:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:18,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:18,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:18,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:18,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:18,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 17:33:18,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:18,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:18,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:18,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:18,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:18,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:18,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-14 17:33:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:18,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:18,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:18,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:18,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:18,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:33:18,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:18,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:18,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:18,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:18,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:18,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:18,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 40 proven. 849 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-14 17:33:18,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1719537564] [2020-10-14 17:33:18,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:33:18,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-14 17:33:18,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756840302] [2020-10-14 17:33:18,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-14 17:33:18,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:33:18,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-14 17:33:18,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=1123, Unknown=0, NotChecked=0, Total=1190 [2020-10-14 17:33:18,360 INFO L87 Difference]: Start difference. First operand 190 states and 191 transitions. Second operand 35 states. [2020-10-14 17:33:20,206 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2020-10-14 17:33:24,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:33:24,846 INFO L93 Difference]: Finished difference Result 245 states and 260 transitions. [2020-10-14 17:33:24,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-14 17:33:24,847 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 187 [2020-10-14 17:33:24,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:33:24,850 INFO L225 Difference]: With dead ends: 245 [2020-10-14 17:33:24,850 INFO L226 Difference]: Without dead ends: 243 [2020-10-14 17:33:24,852 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1266 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=683, Invalid=6627, Unknown=0, NotChecked=0, Total=7310 [2020-10-14 17:33:24,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-10-14 17:33:24,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 198. [2020-10-14 17:33:24,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2020-10-14 17:33:24,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 199 transitions. [2020-10-14 17:33:24,872 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 199 transitions. Word has length 187 [2020-10-14 17:33:24,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:33:24,872 INFO L479 AbstractCegarLoop]: Abstraction has 198 states and 199 transitions. [2020-10-14 17:33:24,872 INFO L480 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-14 17:33:24,872 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 199 transitions. [2020-10-14 17:33:24,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-14 17:33:24,874 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:33:24,875 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 21, 21, 21, 21, 21, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:33:24,875 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-14 17:33:24,875 INFO L427 AbstractCegarLoop]: === Iteration 29 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:33:24,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:33:24,875 INFO L82 PathProgramCache]: Analyzing trace with hash -986321841, now seen corresponding path program 27 times [2020-10-14 17:33:24,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:33:24,876 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [179819723] [2020-10-14 17:33:24,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:33:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:24,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:25,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:25,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-14 17:33:25,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:25,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 626 [2020-10-14 17:33:25,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:25,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:25,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 17:33:25,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:33:25,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 17:33:25,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:25,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:33:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:25,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:25,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:25,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:33:25,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:25,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:25,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:25,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:25,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:25,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:25,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:25,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:25,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 17:33:25,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:25,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:25,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:25,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:25,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:25,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:25,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:25,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:25,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:25,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:33:25,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:25,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:25,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 17:33:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:25,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:25,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:25,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:25,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:25,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:33:25,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:25,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:25,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:25,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:33:25,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:25,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:25,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 17:33:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:25,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:25,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:25,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:25,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:25,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:25,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:25,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:25,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:25,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:33:25,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:25,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:25,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 17:33:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:25,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:25,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:25,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:25,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:25,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:25,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:25,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:25,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:25,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:33:25,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:25,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:25,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 17:33:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:25,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:25,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:25,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:25,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:25,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:25,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:25,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:25,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:25,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:33:25,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:25,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:25,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-14 17:33:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:25,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:25,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:25,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:25,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:25,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:25,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:25,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:25,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:25,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:33:25,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:25,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:25,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 17:33:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:25,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:25,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:25,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:25,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:25,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:25,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:25,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:25,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:25,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:33:25,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:25,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:25,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 17:33:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:25,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:25,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:25,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:25,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:25,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:33:25,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:25,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:25,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:25,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:33:25,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:25,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:25,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 17:33:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:25,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:25,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:25,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:25,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:25,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:25,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:25,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:25,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:25,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:33:25,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:25,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:25,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 17:33:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:25,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:25,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:25,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:25,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:25,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:25,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:25,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:25,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:25,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:33:25,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:25,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:25,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 17:33:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:25,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:25,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:25,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:25,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:25,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:25,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:25,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:25,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:25,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:33:25,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:25,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:25,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-14 17:33:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:25,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:25,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:25,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:25,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:25,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:25,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:25,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:25,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:25,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:33:25,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:25,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:25,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-14 17:33:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:25,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:25,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:25,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:25,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:25,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:25,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:25,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:25,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:25,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:33:25,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:25,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:25,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 17:33:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:25,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:25,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:25,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:25,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:25,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:25,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:25,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:25,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:25,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:33:25,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:25,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:25,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-14 17:33:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:25,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:25,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:25,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:25,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:25,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:25,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:25,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:25,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:25,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:33:25,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:25,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:25,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 17:33:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:25,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:25,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:25,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:25,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:25,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:25,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:25,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:25,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:25,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:33:25,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:25,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:25,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-14 17:33:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:25,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:25,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:25,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:25,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:25,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:25,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:25,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:25,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:25,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:33:25,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:25,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:25,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-14 17:33:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:25,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:25,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:25,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:25,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:25,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:25,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:25,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:25,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:25,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:33:25,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:25,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:25,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-14 17:33:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:25,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:25,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:25,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:25,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:25,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:25,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:25,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:25,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:25,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:33:25,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:25,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:25,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-14 17:33:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:25,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:25,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:25,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:25,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:25,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:25,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:25,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:25,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:25,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:33:25,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:25,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:25,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-14 17:33:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:25,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:25,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:25,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:25,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:25,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:25,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:25,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:25,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:25,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:33:25,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:25,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:25,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1813 backedges. 42 proven. 49 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2020-10-14 17:33:25,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [179819723] [2020-10-14 17:33:25,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:33:25,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 17:33:25,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020878711] [2020-10-14 17:33:25,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 17:33:25,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:33:25,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 17:33:25,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2020-10-14 17:33:25,798 INFO L87 Difference]: Start difference. First operand 198 states and 199 transitions. Second operand 11 states. [2020-10-14 17:33:26,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:33:26,002 INFO L93 Difference]: Finished difference Result 378 states and 380 transitions. [2020-10-14 17:33:26,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 17:33:26,004 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 195 [2020-10-14 17:33:26,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:33:26,006 INFO L225 Difference]: With dead ends: 378 [2020-10-14 17:33:26,006 INFO L226 Difference]: Without dead ends: 201 [2020-10-14 17:33:26,009 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2020-10-14 17:33:26,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-10-14 17:33:26,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 200. [2020-10-14 17:33:26,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-10-14 17:33:26,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 201 transitions. [2020-10-14 17:33:26,049 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 201 transitions. Word has length 195 [2020-10-14 17:33:26,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:33:26,050 INFO L479 AbstractCegarLoop]: Abstraction has 200 states and 201 transitions. [2020-10-14 17:33:26,050 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 17:33:26,050 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 201 transitions. [2020-10-14 17:33:26,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-14 17:33:26,052 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:33:26,053 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 21, 21, 21, 21, 21, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:33:26,053 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-14 17:33:26,053 INFO L427 AbstractCegarLoop]: === Iteration 30 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:33:26,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:33:26,054 INFO L82 PathProgramCache]: Analyzing trace with hash -46999059, now seen corresponding path program 28 times [2020-10-14 17:33:26,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:33:26,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [273506561] [2020-10-14 17:33:26,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:33:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:26,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:27,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:31,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:31,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-14 17:33:31,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:33:31,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-14 17:33:31,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:31,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:31,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-14 17:33:31,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:33:31,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 235 [2020-10-14 17:33:31,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:32,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:33:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:32,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:32,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:32,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:33:32,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:32,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:32,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:32,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:32,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:32,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:32,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:32,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:32,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 17:33:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:32,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:32,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:32,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:32,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:32,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:32,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:32,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:32,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:32,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:32,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:32,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:32,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 17:33:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:32,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:32,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:32,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:32,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:32,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:32,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:32,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:32,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:32,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:32,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:32,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:32,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 17:33:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:32,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:32,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:32,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:32,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:32,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:32,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:32,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:32,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:32,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:32,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:32,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:32,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 17:33:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:32,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:32,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:32,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:32,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:32,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:32,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:32,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:32,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:32,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:32,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:32,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:32,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 17:33:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:32,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:32,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:32,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:32,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:32,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:32,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:32,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:32,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:32,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:32,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:32,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:32,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 17:33:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:32,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:32,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:32,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:32,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:32,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:32,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:32,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:32,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:32,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:32,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:32,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:32,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 17:33:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:32,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:32,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:32,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:32,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:32,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:32,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:32,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:32,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:32,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:32,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:32,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:32,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 17:33:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:32,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:32,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:32,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:32,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:32,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:32,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:32,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:32,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:32,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:32,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:32,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:32,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 17:33:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:32,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:32,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:32,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:32,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:32,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:32,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:32,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:32,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:32,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:32,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:32,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:32,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 17:33:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:32,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:32,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:32,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:32,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:32,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:32,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:32,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:32,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:32,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:32,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:32,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:32,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 17:33:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:32,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:32,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:32,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:32,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:32,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:32,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:32,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:32,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:32,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:32,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:32,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:32,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-14 17:33:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:32,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:32,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:32,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:32,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:32,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:32,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:32,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:32,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:32,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:32,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:32,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:32,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 17:33:32,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:32,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:32,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:32,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:32,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:32,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:32,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:32,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:32,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:32,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:32,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:32,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:32,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 17:33:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:32,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:32,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:32,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:32,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:32,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:32,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:32,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:32,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:32,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:32,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:32,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:32,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 17:33:32,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:32,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:32,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:32,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:32,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:32,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:32,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:32,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:32,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:32,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:32,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:32,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:32,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 17:33:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:32,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:32,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:32,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:32,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:32,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:32,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:32,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:32,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:32,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:32,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:32,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:32,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-14 17:33:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:32,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:32,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:32,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:32,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:32,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:32,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:32,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:32,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:32,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:32,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:32,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:32,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-14 17:33:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:32,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:32,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:32,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:32,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:32,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:32,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:32,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:32,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:32,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:32,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:32,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:32,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-14 17:33:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:32,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:32,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:32,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:32,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:32,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:32,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:32,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:32,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:32,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:32,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:32,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:32,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-14 17:33:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:32,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:32,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:32,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:32,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:32,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:32,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:32,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:32,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:32,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:32,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:32,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:32,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-14 17:33:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:32,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:32,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:32,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:32,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:32,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:32,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:32,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:32,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:32,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:32,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:32,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:32,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1828 backedges. 42 proven. 946 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2020-10-14 17:33:32,443 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [273506561] [2020-10-14 17:33:32,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:33:32,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-14 17:33:32,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828333079] [2020-10-14 17:33:32,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-14 17:33:32,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:33:32,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-14 17:33:32,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=1261, Unknown=0, NotChecked=0, Total=1332 [2020-10-14 17:33:32,445 INFO L87 Difference]: Start difference. First operand 200 states and 201 transitions. Second operand 37 states. [2020-10-14 17:33:34,347 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2020-10-14 17:33:39,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:33:39,950 INFO L93 Difference]: Finished difference Result 261 states and 278 transitions. [2020-10-14 17:33:39,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-10-14 17:33:39,952 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 197 [2020-10-14 17:33:39,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:33:39,954 INFO L225 Difference]: With dead ends: 261 [2020-10-14 17:33:39,954 INFO L226 Difference]: Without dead ends: 259 [2020-10-14 17:33:39,955 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1530 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=824, Invalid=7732, Unknown=0, NotChecked=0, Total=8556 [2020-10-14 17:33:39,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-10-14 17:33:39,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 208. [2020-10-14 17:33:39,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-10-14 17:33:39,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 209 transitions. [2020-10-14 17:33:39,982 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 209 transitions. Word has length 197 [2020-10-14 17:33:39,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:33:39,983 INFO L479 AbstractCegarLoop]: Abstraction has 208 states and 209 transitions. [2020-10-14 17:33:39,983 INFO L480 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-10-14 17:33:39,983 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 209 transitions. [2020-10-14 17:33:39,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-14 17:33:39,984 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:33:39,984 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 22, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:33:39,984 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-14 17:33:39,985 INFO L427 AbstractCegarLoop]: === Iteration 31 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:33:39,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:33:39,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1173252900, now seen corresponding path program 29 times [2020-10-14 17:33:39,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:33:39,985 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1405881221] [2020-10-14 17:33:39,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:33:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:40,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:40,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:44,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:44,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-14 17:33:44,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:33:44,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4993 [2020-10-14 17:33:44,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:44,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:44,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-14 17:33:44,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:33:44,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 245 [2020-10-14 17:33:44,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:33:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:33:46,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:46,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:46,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:46,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 17:33:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:46,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 17:33:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:46,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 17:33:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:46,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 17:33:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:46,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 17:33:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:46,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 17:33:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:46,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 17:33:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:46,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 17:33:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:46,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 17:33:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:46,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 17:33:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:46,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 17:33:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:46,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-14 17:33:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:46,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 17:33:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:46,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 17:33:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:46,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 17:33:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:46,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 17:33:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:46,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-14 17:33:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:46,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-14 17:33:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:46,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-14 17:33:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:46,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-14 17:33:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:46,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-14 17:33:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:46,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-14 17:33:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:46,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2000 backedges. 44 proven. 1032 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-10-14 17:33:46,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1405881221] [2020-10-14 17:33:46,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:33:46,404 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2020-10-14 17:33:46,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483012794] [2020-10-14 17:33:46,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-10-14 17:33:46,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:33:46,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-10-14 17:33:46,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=1333, Unknown=0, NotChecked=0, Total=1406 [2020-10-14 17:33:46,405 INFO L87 Difference]: Start difference. First operand 208 states and 209 transitions. Second operand 38 states. [2020-10-14 17:33:48,478 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2020-10-14 17:33:54,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:33:54,555 INFO L93 Difference]: Finished difference Result 269 states and 286 transitions. [2020-10-14 17:33:54,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-10-14 17:33:54,557 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 205 [2020-10-14 17:33:54,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:33:54,558 INFO L225 Difference]: With dead ends: 269 [2020-10-14 17:33:54,558 INFO L226 Difference]: Without dead ends: 267 [2020-10-14 17:33:54,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1586 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=833, Invalid=8097, Unknown=0, NotChecked=0, Total=8930 [2020-10-14 17:33:54,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2020-10-14 17:33:54,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 216. [2020-10-14 17:33:54,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-10-14 17:33:54,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 217 transitions. [2020-10-14 17:33:54,578 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 217 transitions. Word has length 205 [2020-10-14 17:33:54,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:33:54,578 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 217 transitions. [2020-10-14 17:33:54,578 INFO L480 AbstractCegarLoop]: Interpolant automaton has 38 states. [2020-10-14 17:33:54,579 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 217 transitions. [2020-10-14 17:33:54,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-14 17:33:54,580 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:33:54,580 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 23, 23, 23, 23, 23, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:33:54,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-14 17:33:54,580 INFO L427 AbstractCegarLoop]: === Iteration 32 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:33:54,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:33:54,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1094505819, now seen corresponding path program 30 times [2020-10-14 17:33:54,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:33:54,581 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [797150224] [2020-10-14 17:33:54,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:33:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:54,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:55,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:58,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:58,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-14 17:33:58,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:33:58,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4129 [2020-10-14 17:33:58,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:58,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:58,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-14 17:33:58,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:33:58,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 255 [2020-10-14 17:33:58,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:34:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:34:00,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:00,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:00,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 17:34:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 17:34:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 17:34:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 17:34:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 17:34:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 17:34:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 17:34:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 17:34:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 17:34:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 17:34:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 17:34:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-14 17:34:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 17:34:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 17:34:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 17:34:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 17:34:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-14 17:34:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-14 17:34:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-14 17:34:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-14 17:34:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-14 17:34:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-14 17:34:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-14 17:34:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2180 backedges. 46 proven. 1122 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2020-10-14 17:34:00,252 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [797150224] [2020-10-14 17:34:00,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:34:00,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2020-10-14 17:34:00,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783911339] [2020-10-14 17:34:00,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 39 states [2020-10-14 17:34:00,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:34:00,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2020-10-14 17:34:00,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=1405, Unknown=0, NotChecked=0, Total=1482 [2020-10-14 17:34:00,253 INFO L87 Difference]: Start difference. First operand 216 states and 217 transitions. Second operand 39 states. [2020-10-14 17:34:02,421 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2020-10-14 17:34:08,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:34:08,862 INFO L93 Difference]: Finished difference Result 277 states and 294 transitions. [2020-10-14 17:34:08,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-10-14 17:34:08,864 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 213 [2020-10-14 17:34:08,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:34:08,866 INFO L225 Difference]: With dead ends: 277 [2020-10-14 17:34:08,866 INFO L226 Difference]: Without dead ends: 275 [2020-10-14 17:34:08,868 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1670 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=838, Invalid=8282, Unknown=0, NotChecked=0, Total=9120 [2020-10-14 17:34:08,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-10-14 17:34:08,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 224. [2020-10-14 17:34:08,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-10-14 17:34:08,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 225 transitions. [2020-10-14 17:34:08,893 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 225 transitions. Word has length 213 [2020-10-14 17:34:08,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:34:08,894 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 225 transitions. [2020-10-14 17:34:08,894 INFO L480 AbstractCegarLoop]: Interpolant automaton has 39 states. [2020-10-14 17:34:08,894 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 225 transitions. [2020-10-14 17:34:08,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-14 17:34:08,895 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:34:08,896 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 24, 24, 24, 24, 24, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:34:08,896 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-14 17:34:08,896 INFO L427 AbstractCegarLoop]: === Iteration 33 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:34:08,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:34:08,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1060444306, now seen corresponding path program 31 times [2020-10-14 17:34:08,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:34:08,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1226242308] [2020-10-14 17:34:08,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:34:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:08,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:09,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:09,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-14 17:34:09,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:09,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-10-14 17:34:09,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:09,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:09,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 17:34:09,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:34:09,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 17:34:09,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:10,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:34:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:10,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:10,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:10,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:34:10,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:10,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:10,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:10,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:10,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:10,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:10,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:10,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:10,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 17:34:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:10,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:10,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:10,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:10,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:10,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:34:10,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:10,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:10,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:10,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:34:10,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:10,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:10,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 17:34:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:10,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:10,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:10,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:10,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:10,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:34:10,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:10,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:10,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:10,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:34:10,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:10,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:10,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 17:34:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:10,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:10,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:10,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:10,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:10,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:34:10,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:10,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:10,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:10,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:34:10,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:10,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:10,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 17:34:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:10,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:10,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:10,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:10,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:10,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:34:10,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:10,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:10,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:10,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:34:10,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:10,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:10,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 17:34:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:10,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:10,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:10,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:10,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:10,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:34:10,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:10,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:10,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:10,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:34:10,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:10,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:10,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 17:34:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:10,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:10,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:10,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:10,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:10,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:34:10,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:10,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:10,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:10,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:34:10,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:10,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:10,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 17:34:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:10,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:10,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:10,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:10,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:10,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:34:10,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:10,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:10,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:10,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:34:10,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:10,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:10,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 17:34:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:10,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:10,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:10,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:10,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:10,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:34:10,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:10,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:10,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:10,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:34:10,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:10,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:10,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 17:34:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:10,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:10,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:10,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:10,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:10,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:34:10,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:10,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:10,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:10,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:34:10,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:10,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:10,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 17:34:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:10,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:10,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:10,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:10,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:10,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:34:10,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:10,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:10,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:10,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:34:10,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:10,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:10,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 17:34:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:10,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:10,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:10,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:10,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:10,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:34:10,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:10,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:10,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:10,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:34:10,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:10,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:10,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-14 17:34:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:10,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:10,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:10,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:10,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:10,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:34:10,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:10,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:10,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:10,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:34:10,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:10,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:10,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 17:34:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:10,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:10,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:10,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:10,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:10,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:34:10,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:10,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:10,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:10,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:34:10,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:10,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:10,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 17:34:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:10,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:10,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:10,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:10,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:10,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:10,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:10,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:10,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:10,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:34:10,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:10,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:10,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 17:34:10,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:10,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:10,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:10,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:10,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:10,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:10,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:10,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:10,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:10,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:34:10,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:10,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:10,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 17:34:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:10,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:10,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:10,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:10,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:10,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:10,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:10,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:10,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:10,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:34:10,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:10,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:10,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-14 17:34:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:10,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:10,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:10,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:10,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:10,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:10,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:10,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:10,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:10,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:34:10,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:10,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:10,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-14 17:34:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:10,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:10,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:10,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:10,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:10,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:10,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:10,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:10,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:10,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:34:10,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:10,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:10,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-14 17:34:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:10,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:10,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:10,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:10,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:10,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:10,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:10,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:10,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:10,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:34:10,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:10,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:10,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-14 17:34:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:10,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:10,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:10,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:10,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:10,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:10,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:10,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:10,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:10,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:34:10,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:10,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:10,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-14 17:34:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:10,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:10,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:10,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:10,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:10,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:10,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:10,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:10,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:10,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:34:10,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:10,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:10,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-14 17:34:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:10,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:10,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:10,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:10,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:10,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:10,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:10,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:10,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:10,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:34:10,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:10,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:10,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-14 17:34:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:10,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:10,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:10,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:10,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:10,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:10,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:10,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:10,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:10,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:34:10,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:10,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:10,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-14 17:34:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:10,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:10,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:10,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:10,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:10,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:10,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:10,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:10,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:10,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:34:10,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:10,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:10,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2368 backedges. 48 proven. 64 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2020-10-14 17:34:10,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1226242308] [2020-10-14 17:34:10,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:34:10,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-14 17:34:10,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093582396] [2020-10-14 17:34:10,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 17:34:10,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:34:10,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 17:34:10,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2020-10-14 17:34:10,138 INFO L87 Difference]: Start difference. First operand 224 states and 225 transitions. Second operand 12 states. [2020-10-14 17:34:10,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:34:10,306 INFO L93 Difference]: Finished difference Result 428 states and 430 transitions. [2020-10-14 17:34:10,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 17:34:10,308 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 221 [2020-10-14 17:34:10,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:34:10,309 INFO L225 Difference]: With dead ends: 428 [2020-10-14 17:34:10,310 INFO L226 Difference]: Without dead ends: 227 [2020-10-14 17:34:10,310 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2020-10-14 17:34:10,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-14 17:34:10,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 226. [2020-10-14 17:34:10,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-10-14 17:34:10,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 227 transitions. [2020-10-14 17:34:10,339 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 227 transitions. Word has length 221 [2020-10-14 17:34:10,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:34:10,340 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 227 transitions. [2020-10-14 17:34:10,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 17:34:10,340 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 227 transitions. [2020-10-14 17:34:10,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-14 17:34:10,342 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:34:10,342 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 24, 24, 24, 24, 24, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:34:10,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-14 17:34:10,342 INFO L427 AbstractCegarLoop]: === Iteration 34 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:34:10,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:34:10,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1598284624, now seen corresponding path program 32 times [2020-10-14 17:34:10,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:34:10,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [496929156] [2020-10-14 17:34:10,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:34:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:10,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:11,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:15,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:15,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-10-14 17:34:15,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:34:15,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5056 [2020-10-14 17:34:15,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:15,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:15,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-14 17:34:15,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:34:15,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 267 [2020-10-14 17:34:15,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:17,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:34:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:17,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:17,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:17,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:34:17,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:17,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:17,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:17,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:17,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:17,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:17,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:17,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:17,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:34:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:17,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:17,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:17,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:17,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:17,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:17,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:17,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:17,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:17,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:17,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:17,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:17,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:34:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:17,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:17,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:17,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:17,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:17,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:17,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:17,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:17,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:17,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:17,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:17,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:17,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:34:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:17,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:17,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:17,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:17,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:17,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:17,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:17,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:17,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:17,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:17,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:17,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:17,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:34:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:17,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:17,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:17,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:17,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:17,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:17,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:17,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:17,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:17,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:17,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:17,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:17,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:34:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:17,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:17,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:17,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:17,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:17,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:17,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:17,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:17,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:17,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:17,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:17,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:17,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:34:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:17,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:17,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:17,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:17,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:17,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:17,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:17,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:17,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:17,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:17,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:17,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:17,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:34:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:17,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:17,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:17,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:17,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:17,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:17,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:17,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:17,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:17,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:17,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:17,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:17,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:34:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:17,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:17,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:17,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:17,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:17,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:17,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:17,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:17,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:17,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:17,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:17,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:17,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 17:34:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:17,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:17,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:17,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:17,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:17,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:17,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:17,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:17,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:17,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:17,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:17,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:17,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 17:34:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:17,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:17,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:17,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:17,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:17,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:17,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:17,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:17,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:17,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:17,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:17,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:17,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 17:34:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:17,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:17,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:17,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:17,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:17,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:17,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:17,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:17,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:17,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:17,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:17,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:17,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 17:34:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:17,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:17,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:17,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:17,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:17,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:17,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:17,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:17,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:17,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:17,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:17,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:17,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 17:34:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:17,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:17,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:17,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:17,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:17,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:17,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:17,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:17,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:17,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:17,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:17,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:17,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 17:34:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:17,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:17,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:17,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:17,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:17,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:17,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:17,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:17,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:17,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:17,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:17,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:17,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 17:34:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:17,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:17,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:17,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:17,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:17,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:17,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:17,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:17,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:17,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:17,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:17,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:17,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-14 17:34:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:17,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:17,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:17,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:17,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:17,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:17,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:17,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:17,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:17,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:17,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:17,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:17,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 17:34:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:17,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:17,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:17,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:17,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:17,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:17,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:17,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:17,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:17,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:17,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:17,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:17,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-14 17:34:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:17,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:17,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:17,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:17,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:17,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:17,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:17,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:17,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:17,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:17,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:17,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:17,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-14 17:34:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:17,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:17,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:17,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:17,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:17,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:17,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:17,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:17,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:17,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:17,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:17,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:17,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-14 17:34:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:17,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:17,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:17,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:17,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:17,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:17,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:17,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:17,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:17,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:17,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:17,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:17,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 17:34:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:17,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:17,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:17,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:17,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:17,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:17,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:17,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:17,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:17,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:17,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:17,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:17,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-14 17:34:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:17,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:17,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:17,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:17,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:17,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:17,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:17,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:17,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:17,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:17,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:17,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:17,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-14 17:34:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:17,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:17,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:17,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:17,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:17,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:17,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:17,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:17,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:17,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:17,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:17,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:17,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-14 17:34:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:17,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:17,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:17,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:17,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:17,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:17,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:17,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:17,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:17,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:17,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:17,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:17,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2385 backedges. 48 proven. 1233 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2020-10-14 17:34:17,267 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [496929156] [2020-10-14 17:34:17,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:34:17,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2020-10-14 17:34:17,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899240032] [2020-10-14 17:34:17,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2020-10-14 17:34:17,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:34:17,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2020-10-14 17:34:17,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1561, Unknown=0, NotChecked=0, Total=1640 [2020-10-14 17:34:17,269 INFO L87 Difference]: Start difference. First operand 226 states and 227 transitions. Second operand 41 states. [2020-10-14 17:34:20,185 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2020-10-14 17:34:28,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:34:28,619 INFO L93 Difference]: Finished difference Result 293 states and 312 transitions. [2020-10-14 17:34:28,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2020-10-14 17:34:28,621 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 223 [2020-10-14 17:34:28,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:34:28,624 INFO L225 Difference]: With dead ends: 293 [2020-10-14 17:34:28,624 INFO L226 Difference]: Without dead ends: 291 [2020-10-14 17:34:28,626 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1942 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=998, Invalid=9714, Unknown=0, NotChecked=0, Total=10712 [2020-10-14 17:34:28,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2020-10-14 17:34:28,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 234. [2020-10-14 17:34:28,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-14 17:34:28,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 235 transitions. [2020-10-14 17:34:28,654 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 235 transitions. Word has length 223 [2020-10-14 17:34:28,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:34:28,655 INFO L479 AbstractCegarLoop]: Abstraction has 234 states and 235 transitions. [2020-10-14 17:34:28,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 41 states. [2020-10-14 17:34:28,655 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 235 transitions. [2020-10-14 17:34:28,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-14 17:34:28,657 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:34:28,657 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 26, 25, 25, 25, 25, 25, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:34:28,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-14 17:34:28,657 INFO L427 AbstractCegarLoop]: === Iteration 35 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:34:28,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:34:28,658 INFO L82 PathProgramCache]: Analyzing trace with hash -449430809, now seen corresponding path program 33 times [2020-10-14 17:34:28,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:34:28,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1055801213] [2020-10-14 17:34:28,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:34:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:28,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:29,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:33,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:33,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-10-14 17:34:33,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:34:33,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-14 17:34:33,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:33,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:33,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-14 17:34:33,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:34:33,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 277 [2020-10-14 17:34:33,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:34:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:34:35,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:35,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:35,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:34:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:34:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:34:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:34:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:34:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:34:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:34:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:34:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 17:34:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 17:34:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 17:34:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 17:34:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 17:34:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 17:34:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 17:34:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-14 17:34:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 17:34:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-14 17:34:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-14 17:34:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-14 17:34:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 17:34:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-14 17:34:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-14 17:34:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-14 17:34:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-14 17:34:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2581 backedges. 50 proven. 1331 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2020-10-14 17:34:35,695 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1055801213] [2020-10-14 17:34:35,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:34:35,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2020-10-14 17:34:35,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26170712] [2020-10-14 17:34:35,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 42 states [2020-10-14 17:34:35,696 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:34:35,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2020-10-14 17:34:35,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1639, Unknown=0, NotChecked=0, Total=1722 [2020-10-14 17:34:35,696 INFO L87 Difference]: Start difference. First operand 234 states and 235 transitions. Second operand 42 states. [2020-10-14 17:34:38,931 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2020-10-14 17:34:48,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:34:48,078 INFO L93 Difference]: Finished difference Result 301 states and 320 transitions. [2020-10-14 17:34:48,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2020-10-14 17:34:48,080 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 231 [2020-10-14 17:34:48,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:34:48,082 INFO L225 Difference]: With dead ends: 301 [2020-10-14 17:34:48,083 INFO L226 Difference]: Without dead ends: 299 [2020-10-14 17:34:48,085 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2034 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=1004, Invalid=9916, Unknown=0, NotChecked=0, Total=10920 [2020-10-14 17:34:48,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-10-14 17:34:48,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 242. [2020-10-14 17:34:48,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-10-14 17:34:48,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 243 transitions. [2020-10-14 17:34:48,117 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 243 transitions. Word has length 231 [2020-10-14 17:34:48,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:34:48,117 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 243 transitions. [2020-10-14 17:34:48,117 INFO L480 AbstractCegarLoop]: Interpolant automaton has 42 states. [2020-10-14 17:34:48,117 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 243 transitions. [2020-10-14 17:34:48,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-10-14 17:34:48,119 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:34:48,119 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 27, 26, 26, 26, 26, 26, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:34:48,119 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-14 17:34:48,120 INFO L427 AbstractCegarLoop]: === Iteration 36 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:34:48,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:34:48,120 INFO L82 PathProgramCache]: Analyzing trace with hash -278515170, now seen corresponding path program 34 times [2020-10-14 17:34:48,120 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:34:48,120 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [363110506] [2020-10-14 17:34:48,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:34:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:48,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:49,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:53,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:53,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 299 [2020-10-14 17:34:53,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:34:53,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 17:34:53,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:53,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:53,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-14 17:34:53,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:34:53,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 287 [2020-10-14 17:34:53,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:34:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:34:55,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:55,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:55,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:34:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:34:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:34:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:34:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:34:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:34:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:34:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:34:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 17:34:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 17:34:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 17:34:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 17:34:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 17:34:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 17:34:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 17:34:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-14 17:34:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 17:34:55,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-14 17:34:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-14 17:34:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-14 17:34:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 17:34:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-14 17:34:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-14 17:34:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-14 17:34:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-14 17:34:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 17:34:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2785 backedges. 52 proven. 1433 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2020-10-14 17:34:55,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [363110506] [2020-10-14 17:34:55,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:34:55,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2020-10-14 17:34:55,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21574579] [2020-10-14 17:34:55,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 43 states [2020-10-14 17:34:55,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:34:55,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2020-10-14 17:34:55,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1721, Unknown=0, NotChecked=0, Total=1806 [2020-10-14 17:34:55,393 INFO L87 Difference]: Start difference. First operand 242 states and 243 transitions. Second operand 43 states. [2020-10-14 17:34:58,881 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2020-10-14 17:34:59,096 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-14 17:35:09,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:35:09,589 INFO L93 Difference]: Finished difference Result 309 states and 328 transitions. [2020-10-14 17:35:09,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2020-10-14 17:35:09,591 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 239 [2020-10-14 17:35:09,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:35:09,594 INFO L225 Difference]: With dead ends: 309 [2020-10-14 17:35:09,594 INFO L226 Difference]: Without dead ends: 307 [2020-10-14 17:35:09,596 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2036 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=1007, Invalid=10123, Unknown=0, NotChecked=0, Total=11130 [2020-10-14 17:35:09,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-10-14 17:35:09,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 250. [2020-10-14 17:35:09,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-10-14 17:35:09,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 251 transitions. [2020-10-14 17:35:09,629 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 251 transitions. Word has length 239 [2020-10-14 17:35:09,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:35:09,630 INFO L479 AbstractCegarLoop]: Abstraction has 250 states and 251 transitions. [2020-10-14 17:35:09,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 43 states. [2020-10-14 17:35:09,630 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 251 transitions. [2020-10-14 17:35:09,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-10-14 17:35:09,631 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:35:09,632 INFO L422 BasicCegarLoop]: trace histogram [28, 28, 28, 27, 27, 27, 27, 27, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:35:09,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-10-14 17:35:09,632 INFO L427 AbstractCegarLoop]: === Iteration 37 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:35:09,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:35:09,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1013121621, now seen corresponding path program 35 times [2020-10-14 17:35:09,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:35:09,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [792382861] [2020-10-14 17:35:09,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:35:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:09,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 309 [2020-10-14 17:35:11,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2031 [2020-10-14 17:35:11,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 17:35:11,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:35:11,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 17:35:11,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:11,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:35:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:11,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:35:11,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:11,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:11,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:11,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:11,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:11,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:35:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:11,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:11,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:35:11,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:11,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:35:11,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:11,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:11,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:35:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:11,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:11,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:35:11,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:11,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:35:11,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:11,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:11,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:35:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:11,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:11,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:35:11,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:11,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:35:11,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:11,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:11,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:35:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:11,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:11,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:35:11,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:11,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:35:11,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:11,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:11,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:35:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:11,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:11,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:35:11,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:11,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:35:11,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:11,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:11,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:35:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:11,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:11,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:35:11,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:11,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:35:11,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:11,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:11,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:35:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:11,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:11,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:35:11,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:11,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:35:11,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:11,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:11,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:35:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:11,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:11,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:35:11,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:11,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:35:11,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:11,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:11,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 17:35:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:11,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:11,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:35:11,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:11,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:35:11,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:11,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:11,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 17:35:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:11,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:11,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:35:11,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:11,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:35:11,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:11,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:11,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 17:35:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:11,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:11,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:35:11,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:11,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:35:11,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:11,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:11,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 17:35:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:11,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:11,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:35:11,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:11,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:35:11,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:11,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:11,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 17:35:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:11,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:11,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:35:11,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:11,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:35:11,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:11,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:11,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 17:35:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:11,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:11,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:35:11,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:11,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:35:11,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:11,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:11,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 17:35:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:11,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:11,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:35:11,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:11,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:35:11,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:11,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:11,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-14 17:35:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:11,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:11,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:35:11,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:11,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:35:11,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:11,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:11,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 17:35:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:11,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:11,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:35:11,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:11,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:35:11,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:11,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:11,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-14 17:35:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:11,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:11,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:35:11,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:11,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:35:11,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:11,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:11,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-14 17:35:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:11,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:11,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:35:11,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:11,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:35:11,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:11,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:11,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-14 17:35:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:11,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:11,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:35:11,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:11,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:35:11,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:11,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:35:11,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 17:35:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:11,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:11,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:11,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:11,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:35:11,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:11,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:11,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-14 17:35:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:11,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:11,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:35:11,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:11,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:35:11,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:11,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:11,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-14 17:35:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:11,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:11,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:35:11,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:11,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:35:11,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:11,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:11,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-14 17:35:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:11,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:11,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:11,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:11,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:35:11,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:11,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:11,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-14 17:35:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:11,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:11,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:11,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:11,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:35:11,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:11,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:11,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 17:35:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:11,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:11,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:11,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:11,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:35:11,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:11,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:11,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-10-14 17:35:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:11,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:11,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:11,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:11,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:11,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:11,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:11,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:11,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:11,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 17:35:11,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:11,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:12,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2997 backedges. 54 proven. 81 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2020-10-14 17:35:12,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [792382861] [2020-10-14 17:35:12,012 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:35:12,012 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-14 17:35:12,012 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126150560] [2020-10-14 17:35:12,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 17:35:12,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:35:12,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 17:35:12,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2020-10-14 17:35:12,013 INFO L87 Difference]: Start difference. First operand 250 states and 251 transitions. Second operand 13 states. [2020-10-14 17:35:12,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:35:12,264 INFO L93 Difference]: Finished difference Result 478 states and 480 transitions. [2020-10-14 17:35:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 17:35:12,266 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 247 [2020-10-14 17:35:12,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:35:12,267 INFO L225 Difference]: With dead ends: 478 [2020-10-14 17:35:12,268 INFO L226 Difference]: Without dead ends: 253 [2020-10-14 17:35:12,269 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2020-10-14 17:35:12,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-10-14 17:35:12,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 252. [2020-10-14 17:35:12,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2020-10-14 17:35:12,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 253 transitions. [2020-10-14 17:35:12,295 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 253 transitions. Word has length 247 [2020-10-14 17:35:12,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:35:12,295 INFO L479 AbstractCegarLoop]: Abstraction has 252 states and 253 transitions. [2020-10-14 17:35:12,295 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 17:35:12,295 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 253 transitions. [2020-10-14 17:35:12,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-10-14 17:35:12,297 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:35:12,297 INFO L422 BasicCegarLoop]: trace histogram [28, 28, 28, 27, 27, 27, 27, 27, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:35:12,297 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-10-14 17:35:12,297 INFO L427 AbstractCegarLoop]: === Iteration 38 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:35:12,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:35:12,297 INFO L82 PathProgramCache]: Analyzing trace with hash 787283187, now seen corresponding path program 36 times [2020-10-14 17:35:12,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:35:12,298 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [769728062] [2020-10-14 17:35:12,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:35:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:12,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:14,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:17,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:17,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 311 [2020-10-14 17:35:17,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:35:17,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 17:35:17,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:17,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:17,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-14 17:35:17,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 17:35:17,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 299 [2020-10-14 17:35:17,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:19,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:35:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:19,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:19,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:19,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:35:19,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:19,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:19,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:19,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:19,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:19,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:19,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:19,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:19,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 17:35:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:19,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:19,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:19,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:19,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:19,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:19,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:19,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:19,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:19,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:19,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:19,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:19,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 17:35:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:19,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:19,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:19,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:19,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:19,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:19,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:19,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:19,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:19,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:19,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:19,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:19,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 17:35:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:19,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:19,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:19,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:19,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:19,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:19,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:19,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:19,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:19,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:19,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:19,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:19,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 17:35:19,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:19,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:19,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:19,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:19,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:19,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:19,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:19,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:19,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:19,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:19,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:19,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:19,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 17:35:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:19,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:19,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:19,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:19,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:19,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:19,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:19,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:19,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:19,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:19,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:19,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:19,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 17:35:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:19,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:19,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:19,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:19,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:19,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:19,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:19,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:19,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:19,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:19,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:19,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:19,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 17:35:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:19,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:19,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:19,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:19,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:19,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:19,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:19,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:19,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:19,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:19,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:19,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:19,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 17:35:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:19,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:19,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:19,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:19,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:19,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:19,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:19,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:19,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:19,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:19,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:19,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:19,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 17:35:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:19,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:19,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:19,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:19,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:19,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:19,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:19,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:19,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:19,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:19,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:19,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:19,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 17:35:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:19,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:19,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:19,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:19,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:19,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:19,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:19,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:19,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:19,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:19,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:19,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:19,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 17:35:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:19,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:19,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:19,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:19,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:19,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:19,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:19,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:19,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:19,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:19,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:19,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:19,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 17:35:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:19,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:19,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:19,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:19,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:19,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:19,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:19,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:19,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:19,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:19,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:19,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:19,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 17:35:19,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:19,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:19,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:19,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:19,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:19,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:19,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:19,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:19,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:19,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:19,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:19,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:19,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 17:35:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:19,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:19,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:19,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:19,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:19,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:19,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:19,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:19,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:19,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:19,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:19,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:19,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 17:35:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:19,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:19,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:19,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:19,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:19,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:19,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:19,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:19,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:19,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:19,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:19,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:19,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 17:35:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:19,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:19,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:19,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:19,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:19,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:19,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:19,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:19,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:19,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:19,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:19,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:19,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 17:35:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:19,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:19,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:19,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:19,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:19,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:19,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:19,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:19,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:19,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:19,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:19,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:19,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-14 17:35:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:19,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:19,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:19,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:19,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:19,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:19,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:19,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:19,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:19,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:19,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:19,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:19,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-14 17:35:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:19,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:19,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:19,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:19,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:19,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:19,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:19,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:19,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:19,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:19,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:19,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:19,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-14 17:35:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:19,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:19,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:19,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:19,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:19,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:19,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:19,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:19,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:19,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:19,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:19,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:19,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-14 17:35:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:19,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:19,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:19,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:19,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:19,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:19,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:19,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:19,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:19,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:19,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:19,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:19,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-14 17:35:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:19,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:19,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:19,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:19,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:19,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:19,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:19,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:19,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:19,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:19,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:19,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:19,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-14 17:35:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:19,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:19,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:19,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:19,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:19,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:19,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:19,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:19,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:19,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:19,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:19,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:19,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-14 17:35:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:19,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:19,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:19,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:19,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:19,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:19,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:19,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:19,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:19,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:19,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:19,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:19,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-14 17:35:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:19,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:19,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:19,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:19,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:19,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:19,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:19,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:19,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:19,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:19,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:19,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:19,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-14 17:35:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:19,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:19,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:19,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:19,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:19,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:19,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:19,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:20,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:20,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:20,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:20,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:20,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-14 17:35:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:20,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:20,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:20,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:20,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:20,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:20,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:20,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:20,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:20,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:20,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:20,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:20,146 INFO L134 CoverageAnalysis]: Checked inductivity of 3016 backedges. 54 proven. 1558 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2020-10-14 17:35:20,147 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [769728062] [2020-10-14 17:35:20,147 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:35:20,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2020-10-14 17:35:20,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288398719] [2020-10-14 17:35:20,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 45 states [2020-10-14 17:35:20,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:35:20,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2020-10-14 17:35:20,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1891, Unknown=0, NotChecked=0, Total=1980 [2020-10-14 17:35:20,151 INFO L87 Difference]: Start difference. First operand 252 states and 253 transitions. Second operand 45 states. [2020-10-14 17:35:24,957 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2020-10-14 17:35:26,379 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 83