/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive/Ackermann04.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 01:58:58,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 01:58:58,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 01:58:58,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 01:58:58,139 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 01:58:58,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 01:58:58,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 01:58:58,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 01:58:58,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 01:58:58,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 01:58:58,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 01:58:58,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 01:58:58,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 01:58:58,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 01:58:58,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 01:58:58,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 01:58:58,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 01:58:58,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 01:58:58,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 01:58:58,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 01:58:58,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 01:58:58,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 01:58:58,180 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 01:58:58,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 01:58:58,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 01:58:58,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 01:58:58,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 01:58:58,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 01:58:58,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 01:58:58,196 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 01:58:58,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 01:58:58,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 01:58:58,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 01:58:58,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 01:58:58,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 01:58:58,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 01:58:58,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 01:58:58,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 01:58:58,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 01:58:58,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 01:58:58,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 01:58:58,211 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 01:58:58,245 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 01:58:58,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 01:58:58,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 01:58:58,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 01:58:58,247 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 01:58:58,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 01:58:58,248 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 01:58:58,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 01:58:58,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 01:58:58,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 01:58:58,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 01:58:58,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 01:58:58,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 01:58:58,250 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 01:58:58,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 01:58:58,250 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 01:58:58,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 01:58:58,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 01:58:58,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 01:58:58,251 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 01:58:58,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 01:58:58,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:58:58,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 01:58:58,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 01:58:58,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 01:58:58,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 01:58:58,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 01:58:58,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 01:58:58,253 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 01:58:58,253 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 01:58:58,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 01:58:58,556 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 01:58:58,559 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 01:58:58,560 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 01:58:58,561 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 01:58:58,562 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Ackermann04.c [2020-10-15 01:58:58,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/433948c33/7b6c315308db4c27a248335733e1a409/FLAGf94fe9b2a [2020-10-15 01:58:59,041 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 01:58:59,041 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/Ackermann04.c [2020-10-15 01:58:59,048 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/433948c33/7b6c315308db4c27a248335733e1a409/FLAGf94fe9b2a [2020-10-15 01:58:59,469 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/433948c33/7b6c315308db4c27a248335733e1a409 [2020-10-15 01:58:59,476 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 01:58:59,477 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 01:58:59,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 01:58:59,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 01:58:59,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 01:58:59,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:58:59" (1/1) ... [2020-10-15 01:58:59,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b2fc715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:59, skipping insertion in model container [2020-10-15 01:58:59,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:58:59" (1/1) ... [2020-10-15 01:58:59,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 01:58:59,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 01:58:59,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:58:59,674 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 01:58:59,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:58:59,705 INFO L208 MainTranslator]: Completed translation [2020-10-15 01:58:59,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:59 WrapperNode [2020-10-15 01:58:59,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 01:58:59,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 01:58:59,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 01:58:59,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 01:58:59,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:59" (1/1) ... [2020-10-15 01:58:59,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:59" (1/1) ... [2020-10-15 01:58:59,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:59" (1/1) ... [2020-10-15 01:58:59,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:59" (1/1) ... [2020-10-15 01:58:59,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:59" (1/1) ... [2020-10-15 01:58:59,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:59" (1/1) ... [2020-10-15 01:58:59,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:59" (1/1) ... [2020-10-15 01:58:59,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 01:58:59,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 01:58:59,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 01:58:59,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 01:58:59,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:59" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:58:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 01:58:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 01:58:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ackermann [2020-10-15 01:58:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 01:58:59,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 01:58:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 01:58:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure ackermann [2020-10-15 01:58:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 01:58:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 01:58:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 01:59:00,065 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 01:59:00,065 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-15 01:59:00,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:59:00 BoogieIcfgContainer [2020-10-15 01:59:00,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 01:59:00,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 01:59:00,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 01:59:00,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 01:59:00,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:58:59" (1/3) ... [2020-10-15 01:59:00,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e55b28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:59:00, skipping insertion in model container [2020-10-15 01:59:00,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:59" (2/3) ... [2020-10-15 01:59:00,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e55b28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:59:00, skipping insertion in model container [2020-10-15 01:59:00,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:59:00" (3/3) ... [2020-10-15 01:59:00,077 INFO L109 eAbstractionObserver]: Analyzing ICFG Ackermann04.c [2020-10-15 01:59:00,087 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 01:59:00,093 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 01:59:00,107 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 01:59:00,130 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 01:59:00,130 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 01:59:00,130 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 01:59:00,130 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 01:59:00,130 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 01:59:00,131 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 01:59:00,131 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 01:59:00,131 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 01:59:00,148 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2020-10-15 01:59:00,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-15 01:59:00,155 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:00,156 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:00,157 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:00,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:00,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1796234678, now seen corresponding path program 1 times [2020-10-15 01:59:00,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:00,171 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1830935196] [2020-10-15 01:59:00,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:00,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:00,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:00,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 01:59:00,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:00,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-15 01:59:00,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:00,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:00,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:59:00,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 01:59:00,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:59:00,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-15 01:59:00,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:00,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:00,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:00,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:00,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:00,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:59:00,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:00,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:00,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:00,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:00,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:00,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:00,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 01:59:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:00,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:00,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:00,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:00,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:00,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 01:59:00,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:00,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:00,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:59:00,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:00,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:00,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:00,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:59:00,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1830935196] [2020-10-15 01:59:00,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:59:00,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 01:59:00,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599630770] [2020-10-15 01:59:00,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 01:59:00,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:00,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 01:59:00,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 01:59:00,606 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 5 states. [2020-10-15 01:59:00,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:00,837 INFO L93 Difference]: Finished difference Result 42 states and 54 transitions. [2020-10-15 01:59:00,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 01:59:00,839 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-15 01:59:00,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:00,850 INFO L225 Difference]: With dead ends: 42 [2020-10-15 01:59:00,850 INFO L226 Difference]: Without dead ends: 28 [2020-10-15 01:59:00,854 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-15 01:59:00,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-10-15 01:59:00,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-10-15 01:59:00,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-15 01:59:00,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2020-10-15 01:59:00,901 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 36 transitions. Word has length 15 [2020-10-15 01:59:00,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:00,901 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 36 transitions. [2020-10-15 01:59:00,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 01:59:00,902 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2020-10-15 01:59:00,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 01:59:00,904 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:00,905 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:00,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 01:59:00,905 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:00,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:00,906 INFO L82 PathProgramCache]: Analyzing trace with hash -895156504, now seen corresponding path program 1 times [2020-10-15 01:59:00,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:00,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [675240634] [2020-10-15 01:59:00,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:00,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:00,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:00,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:01,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:01,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-15 01:59:01,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:01,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-10-15 01:59:01,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:01,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:01,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:59:01,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 01:59:01,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 01:59:01,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:59:01,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:01,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:01,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:01,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:01,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:01,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:01,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:01,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:01,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:01,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:01,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:01,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:01,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 01:59:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:01,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:01,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:01,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:01,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:01,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-15 01:59:01,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:01,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:01,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:59:01,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:01,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 01:59:01,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:01,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:01,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:01,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:01,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:01,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:01,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 01:59:01,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:01,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:01,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:59:01,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:01,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:59:01,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:01,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-15 01:59:01,275 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [675240634] [2020-10-15 01:59:01,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:59:01,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-15 01:59:01,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964577184] [2020-10-15 01:59:01,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 01:59:01,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:01,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 01:59:01,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 01:59:01,279 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. Second operand 5 states. [2020-10-15 01:59:01,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:01,360 INFO L93 Difference]: Finished difference Result 52 states and 80 transitions. [2020-10-15 01:59:01,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 01:59:01,361 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-15 01:59:01,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:01,363 INFO L225 Difference]: With dead ends: 52 [2020-10-15 01:59:01,363 INFO L226 Difference]: Without dead ends: 30 [2020-10-15 01:59:01,365 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-15 01:59:01,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-15 01:59:01,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-15 01:59:01,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-15 01:59:01,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2020-10-15 01:59:01,374 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 22 [2020-10-15 01:59:01,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:01,375 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2020-10-15 01:59:01,375 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 01:59:01,375 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2020-10-15 01:59:01,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-15 01:59:01,378 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:01,378 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:01,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 01:59:01,378 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:01,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:01,379 INFO L82 PathProgramCache]: Analyzing trace with hash 718507263, now seen corresponding path program 1 times [2020-10-15 01:59:01,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:01,380 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1116922088] [2020-10-15 01:59:01,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:01,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:01,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:01,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:02,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:02,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 01:59:02,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 01:59:02,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 689 [2020-10-15 01:59:02,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:02,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:02,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:02,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 01:59:02,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-15 01:59:02,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:02,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:02,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:02,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:02,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:02,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:02,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:02,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:02,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:02,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:02,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:02,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:02,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:59:02,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 01:59:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:02,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:02,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:02,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:02,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 01:59:02,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:02,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-10-15 01:59:02,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:02,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:02,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:02,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:02,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-15 01:59:02,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:02,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:02,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:02,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:02,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:02,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:02,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 01:59:02,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:02,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:02,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:59:02,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:02,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 01:59:02,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:02,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:02,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:02,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:02,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:02,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:02,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:02,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:02,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:02,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:02,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:02,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:02,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:02,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:59:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:02,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:02,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:02,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:02,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:02,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 01:59:02,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:02,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:02,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:59:02,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:02,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:02,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:02,442 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-15 01:59:02,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1116922088] [2020-10-15 01:59:02,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:59:02,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-15 01:59:02,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754593763] [2020-10-15 01:59:02,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 01:59:02,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:02,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 01:59:02,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-15 01:59:02,445 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand 6 states. [2020-10-15 01:59:02,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:02,574 INFO L93 Difference]: Finished difference Result 67 states and 120 transitions. [2020-10-15 01:59:02,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 01:59:02,574 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-10-15 01:59:02,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:02,578 INFO L225 Difference]: With dead ends: 67 [2020-10-15 01:59:02,578 INFO L226 Difference]: Without dead ends: 43 [2020-10-15 01:59:02,580 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-15 01:59:02,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-15 01:59:02,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-15 01:59:02,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-15 01:59:02,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 65 transitions. [2020-10-15 01:59:02,593 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 65 transitions. Word has length 35 [2020-10-15 01:59:02,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:02,593 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 65 transitions. [2020-10-15 01:59:02,594 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 01:59:02,594 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2020-10-15 01:59:02,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-15 01:59:02,597 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:02,598 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 7, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:02,598 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 01:59:02,602 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:02,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:02,603 INFO L82 PathProgramCache]: Analyzing trace with hash 564623689, now seen corresponding path program 2 times [2020-10-15 01:59:02,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:02,603 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [53170291] [2020-10-15 01:59:02,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:02,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:02,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:02,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:02,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:02,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:03,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:03,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:04,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:05,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:05,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:07,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:07,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-15 01:59:07,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-15 01:59:07,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 01:59:07,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:07,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:07,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:07,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 01:59:07,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-15 01:59:07,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:07,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:07,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:07,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:07,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:07,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:07,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:07,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:07,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:07,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:07,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:07,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:07,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:07,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 01:59:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:07,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:07,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:07,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:07,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:07,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:08,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:08,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:08,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:09,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:12,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:12,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-15 01:59:12,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-15 01:59:12,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 01:59:12,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:12,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:12,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 01:59:12,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 01:59:12,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-15 01:59:12,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:12,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:12,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:12,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:13,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:13,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-15 01:59:13,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:13,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 324 [2020-10-15 01:59:13,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:13,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:13,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 01:59:13,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:13,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 01:59:13,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:13,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:13,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:13,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:13,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:13,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 01:59:13,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:13,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-10-15 01:59:13,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:13,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:13,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 01:59:13,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:13,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-15 01:59:13,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:59:13,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:13,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:13,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:13,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:13,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:13,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 01:59:13,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:13,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:13,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:59:13,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:13,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 01:59:13,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-15 01:59:13,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:13,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:13,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:13,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:13,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:13,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:13,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:13,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:13,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:13,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:13,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:13,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:59:13,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:59:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:13,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:13,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:13,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:13,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:13,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 01:59:13,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:13,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:13,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:59:13,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:13,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:13,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:59:13,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 01:59:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:13,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:13,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:13,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:13,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-15 01:59:13,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:13,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-10-15 01:59:13,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:13,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:13,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 01:59:13,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 01:59:13,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-15 01:59:13,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:59:13,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:13,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:13,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:14,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:14,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 01:59:14,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:14,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-10-15 01:59:14,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:14,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:14,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 01:59:14,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:14,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-15 01:59:14,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:59:14,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:14,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:14,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:14,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:14,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:14,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 01:59:14,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:14,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:14,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:59:14,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:14,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 01:59:14,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:59:14,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:14,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:14,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:14,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:14,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:14,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:14,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:14,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:14,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:14,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:14,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:14,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:59:14,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:59:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:14,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:14,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:14,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:14,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:14,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 01:59:14,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:14,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:14,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:59:14,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:14,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:14,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:59:14,185 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 93 proven. 85 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-15 01:59:14,187 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [53170291] [2020-10-15 01:59:14,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:59:14,188 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-15 01:59:14,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478927318] [2020-10-15 01:59:14,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 01:59:14,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:14,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 01:59:14,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-15 01:59:14,194 INFO L87 Difference]: Start difference. First operand 43 states and 65 transitions. Second operand 13 states. [2020-10-15 01:59:14,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:14,763 INFO L93 Difference]: Finished difference Result 101 states and 212 transitions. [2020-10-15 01:59:14,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 01:59:14,764 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 82 [2020-10-15 01:59:14,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:14,770 INFO L225 Difference]: With dead ends: 101 [2020-10-15 01:59:14,771 INFO L226 Difference]: Without dead ends: 59 [2020-10-15 01:59:14,775 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2020-10-15 01:59:14,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-15 01:59:14,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2020-10-15 01:59:14,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-15 01:59:14,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 88 transitions. [2020-10-15 01:59:14,804 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 88 transitions. Word has length 82 [2020-10-15 01:59:14,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:14,806 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 88 transitions. [2020-10-15 01:59:14,806 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 01:59:14,806 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 88 transitions. [2020-10-15 01:59:14,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-15 01:59:14,811 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:14,811 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:14,812 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 01:59:14,812 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:14,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:14,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1732137516, now seen corresponding path program 3 times [2020-10-15 01:59:14,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:14,813 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1570097972] [2020-10-15 01:59:14,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:14,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:14,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:15,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:15,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-15 01:59:15,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:15,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1109 [2020-10-15 01:59:15,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:15,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:15,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:15,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 01:59:15,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-15 01:59:15,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:15,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:15,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:15,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:15,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:15,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:15,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:59:15,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:15,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:15,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:15,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:15,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:15,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:15,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 01:59:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:15,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:16,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:16,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:16,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-15 01:59:16,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:16,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 515 [2020-10-15 01:59:16,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:16,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:16,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:16,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:16,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-15 01:59:16,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:16,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:16,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:16,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:16,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-15 01:59:16,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:16,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-15 01:59:16,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:16,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:16,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:59:16,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:16,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 01:59:16,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:16,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:16,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:16,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:16,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 01:59:16,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:16,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 01:59:16,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:16,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:16,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:59:16,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:16,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-15 01:59:16,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:16,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:16,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:16,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:16,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:16,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:16,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:59:16,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:16,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:16,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:16,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:16,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:16,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:16,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:16,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:16,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:16,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:16,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:16,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:16,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:16,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:16,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:16,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:16,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:16,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:16,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:59:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:16,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:16,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:16,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:16,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:16,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:16,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:16,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:16,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:16,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:16,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:16,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:16,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 01:59:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:16,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:16,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:16,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:16,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:16,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 01:59:16,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:16,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:16,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:59:16,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:16,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 01:59:16,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:16,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:16,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:16,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:16,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:16,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:16,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:16,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:16,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:16,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:16,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:16,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:16,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:16,640 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 26 proven. 28 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-15 01:59:16,640 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1570097972] [2020-10-15 01:59:16,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:59:16,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-15 01:59:16,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288530063] [2020-10-15 01:59:16,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 01:59:16,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:16,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 01:59:16,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-15 01:59:16,642 INFO L87 Difference]: Start difference. First operand 57 states and 88 transitions. Second operand 7 states. [2020-10-15 01:59:16,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:16,752 INFO L93 Difference]: Finished difference Result 88 states and 155 transitions. [2020-10-15 01:59:16,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 01:59:16,753 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2020-10-15 01:59:16,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:16,756 INFO L225 Difference]: With dead ends: 88 [2020-10-15 01:59:16,757 INFO L226 Difference]: Without dead ends: 84 [2020-10-15 01:59:16,757 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-15 01:59:16,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-10-15 01:59:16,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2020-10-15 01:59:16,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-15 01:59:16,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 147 transitions. [2020-10-15 01:59:16,776 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 147 transitions. Word has length 62 [2020-10-15 01:59:16,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:16,777 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 147 transitions. [2020-10-15 01:59:16,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 01:59:16,777 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 147 transitions. [2020-10-15 01:59:16,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-15 01:59:16,779 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:16,780 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 7, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:16,780 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 01:59:16,780 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:16,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:16,780 INFO L82 PathProgramCache]: Analyzing trace with hash 984881173, now seen corresponding path program 4 times [2020-10-15 01:59:16,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:16,781 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1663840392] [2020-10-15 01:59:16,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:16,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:16,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:16,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:19,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:19,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-15 01:59:19,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:19,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2590 [2020-10-15 01:59:19,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:19,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:19,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 01:59:19,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-15 01:59:19,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-15 01:59:19,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:19,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:19,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:19,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:19,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:19,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:19,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:59:19,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:19,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:19,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:19,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:19,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:19,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:19,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 01:59:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:19,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:19,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:21,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:21,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-15 01:59:21,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:21,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1928 [2020-10-15 01:59:21,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:21,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:21,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 01:59:21,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-15 01:59:21,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-15 01:59:21,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:21,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:21,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:21,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:21,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-15 01:59:21,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:21,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-15 01:59:21,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:21,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:21,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 01:59:21,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-15 01:59:21,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-15 01:59:21,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:21,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:21,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:21,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:21,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-15 01:59:21,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:21,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-15 01:59:21,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:21,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:21,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 01:59:21,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:21,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-15 01:59:21,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:21,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:21,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:21,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:21,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 01:59:21,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:21,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-15 01:59:21,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:21,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:21,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 01:59:21,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:21,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 01:59:21,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:21,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:21,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:21,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:21,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:21,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:21,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 01:59:21,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:21,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:21,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 01:59:21,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:21,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 01:59:21,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:21,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:21,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:21,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:21,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:21,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:21,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:59:21,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:21,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:21,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:59:21,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:21,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:21,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:21,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:59:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:21,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:21,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:21,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:21,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:21,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:59:21,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:21,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:21,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:21,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:21,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:21,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:21,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 01:59:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:21,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:21,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:21,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:21,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:21,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 01:59:21,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:21,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:21,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:59:21,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 01:59:21,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 01:59:21,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:21,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:21,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:21,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:21,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:21,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:21,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:59:21,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:21,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:21,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:59:21,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:21,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:59:21,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:21,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-15 01:59:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:21,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:21,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:21,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:21,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:21,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:59:21,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:21,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:21,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:21,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 01:59:21,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:21,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:21,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:21,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:21,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:21,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:21,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:21,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:21,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:21,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:21,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:21,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:21,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:21,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:21,863 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 70 proven. 77 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2020-10-15 01:59:21,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1663840392] [2020-10-15 01:59:21,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:59:21,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-15 01:59:21,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870934887] [2020-10-15 01:59:21,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 01:59:21,866 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:21,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 01:59:21,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-10-15 01:59:21,867 INFO L87 Difference]: Start difference. First operand 84 states and 147 transitions. Second operand 13 states. [2020-10-15 01:59:22,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:22,150 INFO L93 Difference]: Finished difference Result 154 states and 291 transitions. [2020-10-15 01:59:22,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-15 01:59:22,150 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 82 [2020-10-15 01:59:22,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:22,153 INFO L225 Difference]: With dead ends: 154 [2020-10-15 01:59:22,153 INFO L226 Difference]: Without dead ends: 87 [2020-10-15 01:59:22,154 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=443, Unknown=0, NotChecked=0, Total=552 [2020-10-15 01:59:22,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-15 01:59:22,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 84. [2020-10-15 01:59:22,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-15 01:59:22,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 139 transitions. [2020-10-15 01:59:22,169 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 139 transitions. Word has length 82 [2020-10-15 01:59:22,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:22,170 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 139 transitions. [2020-10-15 01:59:22,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 01:59:22,170 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 139 transitions. [2020-10-15 01:59:22,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-15 01:59:22,172 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:22,172 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 11, 8, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:22,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 01:59:22,172 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:22,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:22,173 INFO L82 PathProgramCache]: Analyzing trace with hash -781124417, now seen corresponding path program 5 times [2020-10-15 01:59:22,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:22,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1079530862] [2020-10-15 01:59:22,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:22,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:22,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:22,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-15 01:59:22,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:22,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 436 [2020-10-15 01:59:22,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:22,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:22,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 01:59:22,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-15 01:59:22,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-15 01:59:22,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:22,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:22,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:22,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:22,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:22,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:22,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:59:22,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:22,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:22,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:22,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:22,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:22,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:22,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 01:59:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:22,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:23,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:23,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-15 01:59:23,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:23,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 498 [2020-10-15 01:59:23,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:23,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:23,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 01:59:23,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-15 01:59:23,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-15 01:59:23,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:23,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:23,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:23,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:23,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-15 01:59:23,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:23,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-10-15 01:59:23,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:23,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:23,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 01:59:23,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-15 01:59:23,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-15 01:59:23,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:23,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:23,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:23,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:23,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-15 01:59:23,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:23,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-15 01:59:23,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:23,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:23,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 01:59:23,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:23,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-15 01:59:23,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:23,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:23,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:23,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:23,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 01:59:23,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:23,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-15 01:59:23,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:23,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:23,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 01:59:23,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:23,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 01:59:23,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:23,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:23,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:23,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:23,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:23,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:23,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 01:59:23,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:23,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:23,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 01:59:23,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:23,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 01:59:23,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:23,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:23,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:23,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:23,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:23,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:23,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:59:23,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:23,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:23,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:59:23,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:23,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:23,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:23,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:59:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:23,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:23,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:23,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:23,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:23,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:59:23,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:23,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:23,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:23,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:23,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:23,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:23,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 01:59:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:23,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:23,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:23,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 01:59:23,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:23,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 01:59:23,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:23,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:23,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:23,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 01:59:23,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-15 01:59:23,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:23,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:23,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:23,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:23,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:23,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:23,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 01:59:23,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:23,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:23,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:59:23,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:23,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 01:59:23,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:23,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:23,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:23,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:23,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:23,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:23,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:59:23,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:23,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:23,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:59:23,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:23,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:59:23,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:23,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:59:23,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:23,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:23,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:23,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:23,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:23,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:23,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:23,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:23,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:59:23,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:23,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:59:23,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:23,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 01:59:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:23,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:23,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:23,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-15 01:59:23,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:23,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 01:59:23,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:23,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:23,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:23,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-15 01:59:23,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:23,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:23,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:23,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:23,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:23,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:23,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 01:59:23,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:23,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-15 01:59:23,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:23,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:23,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:23,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:23,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:23,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:23,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:23,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:23,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:23,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 01:59:23,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:23,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:59:23,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:23,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:23,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:23,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:23,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:23,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:23,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:23,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:23,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:23,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:23,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:23,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:59:23,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:23,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:23,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:23,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:23,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:23,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:23,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:23,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:23,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:23,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:23,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:23,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:23,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:23,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:23,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:23,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:23,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:23,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:23,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:59:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:23,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:23,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:23,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:23,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:23,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:23,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:23,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:23,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:23,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:23,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:23,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:23,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 01:59:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:23,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:23,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:23,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:23,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:23,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:23,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:23,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:23,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:23,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:23,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:23,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:23,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 01:59:23,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:23,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:23,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:23,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:23,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:23,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:23,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:23,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:23,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:23,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:23,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:23,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:23,889 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 115 proven. 283 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2020-10-15 01:59:23,889 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1079530862] [2020-10-15 01:59:23,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:59:23,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-15 01:59:23,890 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328050366] [2020-10-15 01:59:23,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-15 01:59:23,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:23,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-15 01:59:23,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-15 01:59:23,891 INFO L87 Difference]: Start difference. First operand 84 states and 139 transitions. Second operand 15 states. [2020-10-15 01:59:24,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:24,262 INFO L93 Difference]: Finished difference Result 162 states and 296 transitions. [2020-10-15 01:59:24,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-15 01:59:24,263 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 134 [2020-10-15 01:59:24,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:24,265 INFO L225 Difference]: With dead ends: 162 [2020-10-15 01:59:24,265 INFO L226 Difference]: Without dead ends: 88 [2020-10-15 01:59:24,268 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=172, Invalid=698, Unknown=0, NotChecked=0, Total=870 [2020-10-15 01:59:24,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-10-15 01:59:24,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 80. [2020-10-15 01:59:24,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-15 01:59:24,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 111 transitions. [2020-10-15 01:59:24,295 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 111 transitions. Word has length 134 [2020-10-15 01:59:24,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:24,295 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 111 transitions. [2020-10-15 01:59:24,295 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-15 01:59:24,295 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 111 transitions. [2020-10-15 01:59:24,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-15 01:59:24,296 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:24,296 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 11, 8, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:24,297 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 01:59:24,297 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:24,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:24,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1835077495, now seen corresponding path program 6 times [2020-10-15 01:59:24,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:24,298 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1469183080] [2020-10-15 01:59:24,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:24,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:24,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:29,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:29,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-15 01:59:29,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:29,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-15 01:59:29,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:29,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:29,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-15 01:59:29,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-15 01:59:29,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-15 01:59:29,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:29,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:29,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:29,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:29,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:29,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:29,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:59:29,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:29,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:29,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:29,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:29,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:29,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:29,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 01:59:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:29,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:29,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:34,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:34,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-15 01:59:34,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:34,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 01:59:34,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:34,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:34,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-15 01:59:34,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-15 01:59:34,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-15 01:59:34,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:34,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:34,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:34,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:37,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:37,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-10-15 01:59:37,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:37,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2779 [2020-10-15 01:59:37,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:37,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:37,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-15 01:59:37,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:37,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-15 01:59:37,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:37,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:37,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:37,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:37,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-15 01:59:37,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:37,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:59:37,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:37,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:37,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:37,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:37,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:37,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:37,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:37,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:37,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:37,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 01:59:37,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:37,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:59:37,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:37,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:37,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:37,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:37,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:37,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:37,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:37,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:37,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:37,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:37,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:37,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:59:37,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:37,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:37,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:37,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:37,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:37,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:37,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:37,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:37,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:37,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:37,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:37,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:37,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:37,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:37,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:37,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:37,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:37,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:37,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:59:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:37,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:37,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:37,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:37,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:37,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:37,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:37,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:37,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:37,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:37,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:37,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:37,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 01:59:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:37,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:37,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:37,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 01:59:37,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:37,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-15 01:59:37,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:37,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:37,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 01:59:37,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:37,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-15 01:59:37,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:37,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:37,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:37,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:37,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 01:59:37,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:37,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-15 01:59:37,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:37,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:37,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 01:59:37,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:37,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 01:59:37,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:37,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:37,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:37,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:37,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:37,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:37,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 01:59:37,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:37,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:37,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 01:59:37,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:37,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 01:59:37,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:37,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:37,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:37,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:37,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:37,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:37,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:59:37,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:37,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:37,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:59:37,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:37,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:37,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:37,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:59:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:37,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:37,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:37,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:37,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:37,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:59:37,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:37,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:37,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:37,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:37,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:37,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:37,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 01:59:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:37,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:37,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:37,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:37,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:37,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:59:37,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:37,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:37,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:37,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:37,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:37,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:37,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 01:59:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:37,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:37,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:37,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 01:59:37,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:37,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-15 01:59:37,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:37,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:37,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 01:59:37,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 01:59:37,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-15 01:59:37,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:37,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:37,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:37,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:37,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 01:59:37,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:37,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 01:59:37,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:37,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:37,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 01:59:37,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:37,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-15 01:59:37,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:37,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:37,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:37,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:37,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:37,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:37,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 01:59:37,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:37,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:37,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:59:37,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:37,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 01:59:37,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:37,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:37,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:37,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:37,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:37,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:37,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:37,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:37,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:37,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:59:37,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:37,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:59:37,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:37,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:59:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:37,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:37,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:37,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:37,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:37,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:37,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:37,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:37,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:59:37,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:37,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:59:37,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:37,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 01:59:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:37,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:37,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:37,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:37,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:37,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:37,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:37,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:37,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:59:37,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:37,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:59:37,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:37,729 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 304 proven. 166 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2020-10-15 01:59:37,730 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1469183080] [2020-10-15 01:59:37,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:59:37,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-15 01:59:37,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861534985] [2020-10-15 01:59:37,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-15 01:59:37,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:37,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-15 01:59:37,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-15 01:59:37,732 INFO L87 Difference]: Start difference. First operand 80 states and 111 transitions. Second operand 18 states. [2020-10-15 01:59:38,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:38,260 INFO L93 Difference]: Finished difference Result 163 states and 258 transitions. [2020-10-15 01:59:38,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-15 01:59:38,261 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 134 [2020-10-15 01:59:38,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:38,263 INFO L225 Difference]: With dead ends: 163 [2020-10-15 01:59:38,263 INFO L226 Difference]: Without dead ends: 95 [2020-10-15 01:59:38,265 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=253, Invalid=1079, Unknown=0, NotChecked=0, Total=1332 [2020-10-15 01:59:38,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-10-15 01:59:38,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2020-10-15 01:59:38,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-15 01:59:38,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 140 transitions. [2020-10-15 01:59:38,279 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 140 transitions. Word has length 134 [2020-10-15 01:59:38,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:38,279 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 140 transitions. [2020-10-15 01:59:38,279 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-15 01:59:38,279 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 140 transitions. [2020-10-15 01:59:38,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-15 01:59:38,281 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:38,281 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 12, 9, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:38,281 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 01:59:38,281 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:38,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:38,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1628439286, now seen corresponding path program 7 times [2020-10-15 01:59:38,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:38,282 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1075033201] [2020-10-15 01:59:38,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:38,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:38,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:43,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:43,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-15 01:59:43,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:43,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-15 01:59:43,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:43,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:43,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-15 01:59:43,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-15 01:59:43,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-15 01:59:43,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:43,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:43,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:43,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:43,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:43,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:43,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:59:43,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:43,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:43,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:43,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:43,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:43,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:43,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 01:59:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:43,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:43,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:48,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:48,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-15 01:59:48,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:48,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 01:59:48,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:48,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:48,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-15 01:59:48,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-15 01:59:48,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-15 01:59:48,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:48,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:48,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:48,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:49,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:49,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-10-15 01:59:49,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:49,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1547 [2020-10-15 01:59:49,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:49,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:49,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-15 01:59:49,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:49,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-15 01:59:49,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:49,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:49,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:49,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:49,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-15 01:59:49,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:49,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:59:49,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:49,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:49,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:49,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:49,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:49,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:49,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:49,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:49,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:49,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 01:59:49,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:49,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:59:49,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:49,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:49,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:49,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:49,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:49,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:49,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:49,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:49,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:49,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:49,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:49,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:49,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:49,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:49,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:49,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:49,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:49,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:49,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:49,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:49,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:49,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:49,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:49,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:59:49,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:49,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:49,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:49,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:49,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:49,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:49,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:59:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:49,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:49,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:49,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:49,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:49,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:59:49,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:49,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:49,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:49,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:49,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:49,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:49,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 01:59:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:49,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:50,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:50,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 01:59:50,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:50,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-15 01:59:50,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:50,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:50,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 01:59:50,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:50,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-15 01:59:50,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:50,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:50,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:50,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:50,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:50,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 01:59:50,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:50,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 01:59:50,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:50,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:50,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 01:59:50,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:50,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 01:59:50,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:50,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:50,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:50,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:50,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:50,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:50,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 01:59:50,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:50,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:50,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 01:59:50,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:50,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 01:59:50,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:50,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:50,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:50,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:50,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:50,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:50,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:59:50,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:50,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:50,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:59:50,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:50,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:50,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:50,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:59:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:50,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:50,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:50,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:50,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:50,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:59:50,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:50,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:50,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:50,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:50,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:50,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:50,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 01:59:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:50,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:50,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:50,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:50,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:50,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:59:50,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:50,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:50,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:50,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:50,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:50,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:50,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 01:59:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:50,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:50,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:50,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-15 01:59:50,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:50,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-15 01:59:50,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:50,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:50,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 01:59:50,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 01:59:50,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-15 01:59:50,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:50,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:50,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:50,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:50,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 01:59:50,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:50,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-15 01:59:50,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:50,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:50,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 01:59:50,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:50,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-15 01:59:50,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:50,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:50,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:50,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:50,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 01:59:50,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:50,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 01:59:50,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:50,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:50,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 01:59:50,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:50,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-15 01:59:50,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:50,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:50,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:50,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:50,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:50,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:50,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:50,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 01:59:50,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:50,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:50,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:59:50,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:50,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 01:59:50,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:50,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:50,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:50,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:50,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:50,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:50,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:50,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:50,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:50,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:59:50,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:50,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:59:50,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:50,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:59:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:50,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:50,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:50,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:50,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:50,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:50,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:50,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:50,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:59:50,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:50,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:59:50,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:50,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 01:59:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:50,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:50,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:50,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:50,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:50,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:59:50,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:50,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:50,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:59:50,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:50,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:59:50,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:50,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 01:59:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:50,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:50,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:50,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:50,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:50,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:50,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:50,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:50,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:59:50,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:50,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:59:50,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:50,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 351 proven. 229 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2020-10-15 01:59:50,439 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1075033201] [2020-10-15 01:59:50,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:59:50,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-15 01:59:50,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795353937] [2020-10-15 01:59:50,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-15 01:59:50,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:50,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-15 01:59:50,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-10-15 01:59:50,441 INFO L87 Difference]: Start difference. First operand 95 states and 140 transitions. Second operand 18 states. [2020-10-15 01:59:51,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:51,039 INFO L93 Difference]: Finished difference Result 193 states and 326 transitions. [2020-10-15 01:59:51,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-15 01:59:51,039 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 147 [2020-10-15 01:59:51,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:51,042 INFO L225 Difference]: With dead ends: 193 [2020-10-15 01:59:51,042 INFO L226 Difference]: Without dead ends: 110 [2020-10-15 01:59:51,045 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=286, Invalid=1274, Unknown=0, NotChecked=0, Total=1560 [2020-10-15 01:59:51,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-15 01:59:51,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-10-15 01:59:51,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-15 01:59:51,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 169 transitions. [2020-10-15 01:59:51,062 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 169 transitions. Word has length 147 [2020-10-15 01:59:51,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:51,063 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 169 transitions. [2020-10-15 01:59:51,063 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-15 01:59:51,063 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 169 transitions. [2020-10-15 01:59:51,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-15 01:59:51,065 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:51,065 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 13, 10, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:51,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 01:59:51,066 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:51,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:51,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1507272509, now seen corresponding path program 8 times [2020-10-15 01:59:51,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:51,067 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1261931047] [2020-10-15 01:59:51,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:51,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:51,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:51,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-15 01:59:51,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:51,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 398 [2020-10-15 01:59:51,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:51,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:51,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-15 01:59:51,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-15 01:59:51,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 01:59:51,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:51,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:51,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:51,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:51,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:51,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:51,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:59:51,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:51,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:51,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:51,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:51,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:51,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:51,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 01:59:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:51,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:52,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:52,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-15 01:59:52,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:52,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 660 [2020-10-15 01:59:52,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:52,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:52,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-15 01:59:52,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-15 01:59:52,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 01:59:52,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 01:59:52,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:52,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:52,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:52,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-10-15 01:59:52,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:52,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-10-15 01:59:52,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:52,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:52,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-15 01:59:52,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-15 01:59:52,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 01:59:52,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:52,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:52,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:52,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:52,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-15 01:59:52,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:52,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-15 01:59:52,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:52,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:52,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 01:59:52,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:52,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-15 01:59:52,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:52,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:52,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:52,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:52,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 01:59:52,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:52,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-15 01:59:52,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:52,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:52,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 01:59:52,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:52,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 01:59:52,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:52,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:52,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:52,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:52,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:52,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:52,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 01:59:52,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:52,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:52,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 01:59:52,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:52,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 01:59:52,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:52,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:52,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:52,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:52,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:52,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:52,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:59:52,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:52,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:52,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:59:52,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:52,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:52,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:52,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:59:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:52,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:52,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:52,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:52,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:52,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:59:52,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:52,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:52,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:52,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:52,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:52,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:52,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 01:59:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:52,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:52,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:52,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 01:59:52,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:52,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-15 01:59:52,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:52,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:52,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 01:59:52,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 01:59:52,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-15 01:59:52,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:52,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:52,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:52,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:52,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 01:59:52,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:52,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-15 01:59:52,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:52,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:52,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 01:59:52,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:52,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-15 01:59:52,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:52,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:52,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:52,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:52,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:52,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:52,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 01:59:52,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:52,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:52,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:59:52,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:52,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 01:59:52,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:52,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:52,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:52,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:52,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:52,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:52,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:59:52,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:52,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:52,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:59:52,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:52,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:59:52,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:52,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:59:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:52,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:52,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:52,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:52,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:52,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:59:52,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:52,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:52,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:59:52,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:52,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:59:52,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:52,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 01:59:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:52,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:52,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:52,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:52,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:52,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:59:52,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:52,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:52,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:59:52,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:52,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:59:52,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:52,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 01:59:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:53,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:53,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:53,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-15 01:59:53,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:53,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 01:59:53,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:53,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:53,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:53,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-15 01:59:53,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:53,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:53,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:53,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:53,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:53,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-15 01:59:53,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:53,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 01:59:53,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:53,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:53,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:53,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:53,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:53,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:53,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:53,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:53,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:53,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 01:59:53,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:53,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 01:59:53,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:53,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:53,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:53,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:53,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:53,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:53,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:53,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:53,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:53,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 01:59:53,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:53,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 01:59:53,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:53,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:53,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:53,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:53,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:53,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:53,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:53,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:53,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:53,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:53,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:53,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:59:53,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:53,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:53,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:53,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:53,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:53,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:53,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:53,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:53,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:53,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:53,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:53,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:53,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:53,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:53,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:53,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:53,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:53,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:53,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:59:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:53,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:53,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:53,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:53,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:53,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:53,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:53,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:53,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:53,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:53,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:53,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:53,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 01:59:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:53,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:53,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:53,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:53,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:53,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:53,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:53,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:53,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:53,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:53,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:53,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:53,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 01:59:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:53,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:53,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:53,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:53,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:53,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:53,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:53,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:53,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:53,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:53,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:53,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:53,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 01:59:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:53,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:53,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:53,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:53,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:53,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:53,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:53,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:53,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:53,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:53,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:53,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:53,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 148 proven. 434 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2020-10-15 01:59:53,185 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1261931047] [2020-10-15 01:59:53,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:59:53,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-15 01:59:53,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163670322] [2020-10-15 01:59:53,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 01:59:53,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:53,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 01:59:53,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2020-10-15 01:59:53,187 INFO L87 Difference]: Start difference. First operand 110 states and 169 transitions. Second operand 16 states. [2020-10-15 01:59:53,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:53,930 INFO L93 Difference]: Finished difference Result 208 states and 347 transitions. [2020-10-15 01:59:53,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-15 01:59:53,931 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 160 [2020-10-15 01:59:53,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:53,932 INFO L225 Difference]: With dead ends: 208 [2020-10-15 01:59:53,933 INFO L226 Difference]: Without dead ends: 110 [2020-10-15 01:59:53,935 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 49 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=198, Invalid=992, Unknown=0, NotChecked=0, Total=1190 [2020-10-15 01:59:53,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-15 01:59:53,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-10-15 01:59:53,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-15 01:59:53,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 165 transitions. [2020-10-15 01:59:53,958 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 165 transitions. Word has length 160 [2020-10-15 01:59:53,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:53,959 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 165 transitions. [2020-10-15 01:59:53,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 01:59:53,959 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 165 transitions. [2020-10-15 01:59:53,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-15 01:59:53,962 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:53,962 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 15, 12, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:53,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 01:59:53,962 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:53,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:53,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1028004289, now seen corresponding path program 9 times [2020-10-15 01:59:53,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:53,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [859831387] [2020-10-15 01:59:53,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:54,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:55,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:55,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-15 01:59:55,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:55,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1131 [2020-10-15 01:59:55,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:55,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:55,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-15 01:59:55,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 176 [2020-10-15 01:59:55,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-15 01:59:55,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:55,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:55,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:55,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:55,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:55,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:55,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:59:55,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:55,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:55,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:55,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:55,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:55,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:55,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 01:59:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:55,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:56,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-15 01:59:56,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:56,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 940 [2020-10-15 01:59:56,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:56,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:56,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-15 01:59:56,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:56,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 228 [2020-10-15 01:59:56,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:56,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:56,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:56,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-15 01:59:56,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:56,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 01:59:56,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:56,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:56,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:56,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:56,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:56,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:56,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:56,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:56,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-15 01:59:56,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:56,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:59:56,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:56,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:56,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:56,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:56,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:56,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:56,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:56,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:56,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 01:59:56,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:56,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:59:56,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:56,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:56,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:56,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:56,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:56,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:56,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:56,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:56,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:56,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:56,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:59:56,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:56,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:56,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:56,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:56,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:56,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:56,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:56,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:56,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:56,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:56,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:56,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:59:56,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:56,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:56,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:56,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:56,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:56,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:56,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:59:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:56,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:56,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:56,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:56,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:59:56,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:56,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:56,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:56,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:56,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:56,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:56,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 01:59:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:56,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:56,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-15 01:59:56,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:56,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 01:59:56,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:56,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:56,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:56,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:56,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:56,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:56,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:56,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:56,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 01:59:56,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:56,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 01:59:56,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:56,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:56,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:56,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:56,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:56,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:56,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:56,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:56,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 01:59:56,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:56,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 01:59:56,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:56,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:56,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:56,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:56,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:56,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:56,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:56,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:56,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:56,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:56,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:59:56,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:56,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:56,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:56,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:56,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:56,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:56,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:56,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:56,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:56,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:56,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:56,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:56,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:56,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:56,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:56,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:56,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:59:56,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:59:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:56,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:56,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:56,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:56,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:56,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:56,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:56,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:56,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:56,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:56,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:56,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 01:59:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:56,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:56,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:56,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:56,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:56,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:56,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:56,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:56,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:56,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:56,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:56,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 01:59:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:56,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:56,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:56,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:56,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:56,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:56,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:56,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:56,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:56,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:56,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:56,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-15 01:59:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:56,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:56,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-15 01:59:56,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:56,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 652 [2020-10-15 01:59:56,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:56,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:56,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-15 01:59:56,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:56,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-15 01:59:56,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:57,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:57,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:57,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:57,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-15 01:59:57,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:57,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 309 [2020-10-15 01:59:57,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:57,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:57,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-15 01:59:57,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:57,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-15 01:59:57,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:57,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:57,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:57,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:57,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-15 01:59:57,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:57,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-15 01:59:57,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:57,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:57,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-15 01:59:57,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:57,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-15 01:59:57,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:57,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:57,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:57,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:57,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 01:59:57,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:57,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-15 01:59:57,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:57,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:57,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 01:59:57,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:57,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-15 01:59:57,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:57,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:57,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:57,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:57,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 01:59:57,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:57,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-15 01:59:57,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:57,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:57,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 01:59:57,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:57,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 01:59:57,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:57,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:57,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:57,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:57,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:57,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:57,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 01:59:57,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:57,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:57,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 01:59:57,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:57,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 01:59:57,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:57,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:57,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:57,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:57,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:57,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:57,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:57,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:59:57,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:57,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:57,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:59:57,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:57,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:57,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:57,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:59:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:57,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:57,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:57,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:57,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:57,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:59:57,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:57,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:57,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:57,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:57,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:57,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:57,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 01:59:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:57,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:57,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:57,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:57,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:57,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:59:57,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:57,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:57,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:57,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:57,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:57,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:57,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 01:59:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:57,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:57,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:57,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:57,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:57,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:59:57,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:57,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:57,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:57,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:57,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:57,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:57,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 01:59:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:57,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:57,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:57,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:57,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:57,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:59:57,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:57,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:57,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:57,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:57,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:57,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:57,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 01:59:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:57,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:57,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:57,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:57,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:57,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:59:57,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:57,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:57,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:57,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:57,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:57,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:57,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1741 backedges. 662 proven. 88 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2020-10-15 01:59:57,986 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [859831387] [2020-10-15 01:59:57,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:59:57,986 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-15 01:59:57,986 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860745889] [2020-10-15 01:59:57,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-15 01:59:57,987 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:57,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-15 01:59:57,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=471, Unknown=0, NotChecked=0, Total=552 [2020-10-15 01:59:57,987 INFO L87 Difference]: Start difference. First operand 110 states and 165 transitions. Second operand 24 states. [2020-10-15 01:59:58,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:58,710 INFO L93 Difference]: Finished difference Result 150 states and 244 transitions. [2020-10-15 01:59:58,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-15 01:59:58,710 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 186 [2020-10-15 01:59:58,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:58,713 INFO L225 Difference]: With dead ends: 150 [2020-10-15 01:59:58,713 INFO L226 Difference]: Without dead ends: 146 [2020-10-15 01:59:58,716 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=363, Invalid=1799, Unknown=0, NotChecked=0, Total=2162 [2020-10-15 01:59:58,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-10-15 01:59:58,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 133. [2020-10-15 01:59:58,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-10-15 01:59:58,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 214 transitions. [2020-10-15 01:59:58,730 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 214 transitions. Word has length 186 [2020-10-15 01:59:58,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:58,731 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 214 transitions. [2020-10-15 01:59:58,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-15 01:59:58,731 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 214 transitions. [2020-10-15 01:59:58,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-15 01:59:58,733 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:58,734 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 14, 11, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:58,734 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-15 01:59:58,734 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:58,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:58,734 INFO L82 PathProgramCache]: Analyzing trace with hash -66876812, now seen corresponding path program 10 times [2020-10-15 01:59:58,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:58,735 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [801321636] [2020-10-15 01:59:58,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:58,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:59,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:59,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-15 01:59:59,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:59,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 821 [2020-10-15 01:59:59,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:59,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:59,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-15 01:59:59,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-15 01:59:59,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-15 01:59:59,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:59,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:59,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:59,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:59,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:59,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:59,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:59:59,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:59,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:59,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:59,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:59,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:59,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:59,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 01:59:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:59,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:00,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:00,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-15 02:00:00,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:00,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 756 [2020-10-15 02:00:00,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:00,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:00,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-15 02:00:00,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-15 02:00:00,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-15 02:00:00,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:00,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:00,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:00,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:00,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-15 02:00:00,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:00,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 294 [2020-10-15 02:00:00,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:00,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:00,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-15 02:00:00,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:00,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-15 02:00:00,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:00,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:00,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:00,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:00,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-15 02:00:00,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:00,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:00:00,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:00,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:00,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:00:00,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:00,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:00:00,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:00,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:00,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:00,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:00,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 02:00:00,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:00,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:00:00,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:00,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:00,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:00:00,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:00,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:00:00,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:00,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:00,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:00,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:00,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:00:00,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:00,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:00:00,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:00,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:00,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:00:00,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:00,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:00:00,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:00,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:00,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:00,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:00,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:00:00,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:00,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:00:00,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:00,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:00,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:00:00,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:00,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:00:00,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:00,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 02:00:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:00,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:00,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:00,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:00:00,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:00,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:00:00,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:00,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:00,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:00:00,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:00,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:00:00,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:00,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 02:00:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:00,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:00,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:00,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-15 02:00:00,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:00,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-15 02:00:00,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:00,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:00,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-15 02:00:00,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:00,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-15 02:00:00,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:00,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:00,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:00,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:00,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:00,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 02:00:00,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:00,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-15 02:00:00,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:00,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:00,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 02:00:00,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:00,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-15 02:00:00,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:01,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:01,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:01,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:01,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:01,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 02:00:01,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:01,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 02:00:01,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:01,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:01,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:00:01,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:01,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 02:00:01,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:01,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:01,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:01,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:01,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:00:01,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:01,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:00:01,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:01,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:01,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:00:01,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:01,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 02:00:01,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:01,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:01,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:01,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:01,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:00:01,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:01,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:00:01,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:01,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:01,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:00:01,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:01,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:00:01,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:01,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 02:00:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:01,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:01,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:01,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:00:01,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:01,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:00:01,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:01,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:01,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:00:01,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:01,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:00:01,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:01,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:00:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:01,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:01,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:01,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:00:01,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:01,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:00:01,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:01,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:01,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:00:01,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:01,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:00:01,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:01,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 02:00:01,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:01,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:01,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:01,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:00:01,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:01,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:00:01,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:01,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:01,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:00:01,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:01,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:00:01,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:01,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-15 02:00:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:01,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:01,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:01,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-15 02:00:01,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:01,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-15 02:00:01,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:01,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:01,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 02:00:01,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:00:01,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-15 02:00:01,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:01,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:01,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:01,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:01,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-15 02:00:01,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:01,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-15 02:00:01,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:01,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:01,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:00:01,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:01,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-15 02:00:01,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:01,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:01,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:01,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:01,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 02:00:01,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:01,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-15 02:00:01,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:01,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:01,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:00:01,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:01,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-15 02:00:01,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:01,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:01,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:01,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:01,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 02:00:01,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:01,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 02:00:01,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:01,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:01,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:00:01,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:01,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-15 02:00:01,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:01,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:01,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:01,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:01,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:00:01,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:01,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:00:01,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:01,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:01,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:00:01,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:01,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:00:01,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:01,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:01,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:01,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:01,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:00:01,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:01,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:00:01,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:01,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:01,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:00:01,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:01,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:00:01,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:01,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 02:00:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:01,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:01,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:01,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:00:01,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:01,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:00:01,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:01,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:01,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:00:01,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:01,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:00:01,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:01,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:00:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:01,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:01,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:01,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:00:01,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:01,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:00:01,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:01,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:01,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:00:01,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:01,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:00:01,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:01,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 02:00:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:01,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:01,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:01,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:00:01,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:01,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:00:01,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:01,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:01,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:00:01,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:01,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:00:01,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:01,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:00:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:01,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:01,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:01,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:00:01,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:01,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:00:01,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:01,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:01,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:00:01,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:01,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:00:01,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:01,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 508 proven. 384 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2020-10-15 02:00:01,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [801321636] [2020-10-15 02:00:01,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:00:01,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-15 02:00:01,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563999638] [2020-10-15 02:00:01,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-15 02:00:01,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:00:01,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-15 02:00:01,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=516, Unknown=0, NotChecked=0, Total=600 [2020-10-15 02:00:01,638 INFO L87 Difference]: Start difference. First operand 133 states and 214 transitions. Second operand 25 states. [2020-10-15 02:00:03,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:00:03,033 INFO L93 Difference]: Finished difference Result 295 states and 607 transitions. [2020-10-15 02:00:03,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-10-15 02:00:03,034 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 173 [2020-10-15 02:00:03,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:00:03,039 INFO L225 Difference]: With dead ends: 295 [2020-10-15 02:00:03,039 INFO L226 Difference]: Without dead ends: 0 [2020-10-15 02:00:03,046 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1189 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=893, Invalid=4077, Unknown=0, NotChecked=0, Total=4970 [2020-10-15 02:00:03,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-15 02:00:03,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-15 02:00:03,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-15 02:00:03,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-15 02:00:03,048 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2020-10-15 02:00:03,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:00:03,048 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-15 02:00:03,049 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-15 02:00:03,049 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-15 02:00:03,049 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-15 02:00:03,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-15 02:00:03,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-15 02:00:05,468 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 48 [2020-10-15 02:00:05,589 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-15 02:00:05,589 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-15 02:00:05,589 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-15 02:00:05,589 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-15 02:00:05,589 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-15 02:00:05,589 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-15 02:00:05,589 INFO L268 CegarLoopResult]: For program point ackermannEXIT(lines 14 22) no Hoare annotation was computed. [2020-10-15 02:00:05,589 INFO L271 CegarLoopResult]: At program point ackermannENTRY(lines 14 22) the Hoare annotation is: true [2020-10-15 02:00:05,590 INFO L264 CegarLoopResult]: At program point L21(line 21) the Hoare annotation is: (and (or (not (<= 0 |ackermann_#in~n|)) (not (<= |ackermann_#in~n| 0))) (or (not (<= |ackermann_#in~m| 0)) (not (<= 0 |ackermann_#in~m|))) (= ackermann_~n |ackermann_#in~n|) (= ackermann_~m |ackermann_#in~m|)) [2020-10-15 02:00:05,590 INFO L268 CegarLoopResult]: For program point L21-1(line 21) no Hoare annotation was computed. [2020-10-15 02:00:05,590 INFO L264 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: (and (= |ackermann_#in~n| 0) (or (not (<= |ackermann_#in~m| 0)) (not (<= 0 |ackermann_#in~m|))) (= ackermann_~n |ackermann_#in~n|) (= ackermann_~m |ackermann_#in~m|)) [2020-10-15 02:00:05,590 INFO L264 CegarLoopResult]: At program point L21-2(line 21) the Hoare annotation is: (let ((.cse0 (<= 1 |ackermann_#in~n|)) (.cse4 (<= 5 |ackermann_#t~ret1|)) (.cse6 (<= 4 |ackermann_#t~ret1|)) (.cse5 (<= 6 |ackermann_#t~ret1|)) (.cse1 (<= 3 |ackermann_#t~ret1|)) (.cse3 (<= |ackermann_#in~n| 2))) (and (or (not (<= 0 |ackermann_#in~n|)) (not (<= |ackermann_#in~n| 0))) (let ((.cse2 (<= 2 |ackermann_#in~m|))) (or (and (<= |ackermann_#in~m| 1) (<= 1 |ackermann_#in~m|)) (and (<= |ackermann_#in~n| 1) .cse0 .cse1 .cse2) (and (<= |ackermann_#in~m| 2) .cse3 .cse4 (<= 2 |ackermann_#in~n|) .cse2) (and .cse5 .cse2))) (or .cse0 .cse6) (= ackermann_~m |ackermann_#in~m|) (= ackermann_~n |ackermann_#in~n|) (or (and .cse4 (<= |ackermann_#in~n| 4)) (and (<= |ackermann_#in~n| 3) .cse6) (and (= |ackermann_#in~n| 1) (<= 2 |ackermann_#t~ret1|)) .cse5 (and .cse1 .cse3)))) [2020-10-15 02:00:05,591 INFO L268 CegarLoopResult]: For program point L18(lines 18 20) no Hoare annotation was computed. [2020-10-15 02:00:05,591 INFO L268 CegarLoopResult]: For program point L19-1(line 19) no Hoare annotation was computed. [2020-10-15 02:00:05,591 INFO L268 CegarLoopResult]: For program point L21-3(line 21) no Hoare annotation was computed. [2020-10-15 02:00:05,591 INFO L268 CegarLoopResult]: For program point L15(lines 15 17) no Hoare annotation was computed. [2020-10-15 02:00:05,592 INFO L268 CegarLoopResult]: For program point ackermannFINAL(lines 14 22) no Hoare annotation was computed. [2020-10-15 02:00:05,593 INFO L268 CegarLoopResult]: For program point L33(lines 33 38) no Hoare annotation was computed. [2020-10-15 02:00:05,593 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 43) no Hoare annotation was computed. [2020-10-15 02:00:05,593 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 25 45) the Hoare annotation is: true [2020-10-15 02:00:05,593 INFO L268 CegarLoopResult]: For program point L27(lines 27 31) no Hoare annotation was computed. [2020-10-15 02:00:05,593 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 25 45) no Hoare annotation was computed. [2020-10-15 02:00:05,593 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 25 45) no Hoare annotation was computed. [2020-10-15 02:00:05,593 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-15 02:00:05,593 INFO L268 CegarLoopResult]: For program point L40(lines 40 44) no Hoare annotation was computed. [2020-10-15 02:00:05,594 INFO L271 CegarLoopResult]: At program point L39(line 39) the Hoare annotation is: true [2020-10-15 02:00:05,594 INFO L268 CegarLoopResult]: For program point L39-1(line 39) no Hoare annotation was computed. [2020-10-15 02:00:05,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 02:00:05 BoogieIcfgContainer [2020-10-15 02:00:05,602 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 02:00:05,609 INFO L168 Benchmark]: Toolchain (without parser) took 66126.59 ms. Allocated memory was 148.4 MB in the beginning and 1.0 GB in the end (delta: 864.6 MB). Free memory was 104.7 MB in the beginning and 627.3 MB in the end (delta: -522.6 MB). Peak memory consumption was 891.8 MB. Max. memory is 7.1 GB. [2020-10-15 02:00:05,611 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-15 02:00:05,611 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.03 ms. Allocated memory is still 148.4 MB. Free memory was 104.2 MB in the beginning and 94.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2020-10-15 02:00:05,612 INFO L168 Benchmark]: Boogie Preprocessor took 105.36 ms. Allocated memory was 148.4 MB in the beginning and 203.4 MB in the end (delta: 55.1 MB). Free memory was 94.5 MB in the beginning and 182.2 MB in the end (delta: -87.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2020-10-15 02:00:05,613 INFO L168 Benchmark]: RCFGBuilder took 256.83 ms. Allocated memory is still 203.4 MB. Free memory was 181.8 MB in the beginning and 168.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2020-10-15 02:00:05,618 INFO L168 Benchmark]: TraceAbstraction took 65531.92 ms. Allocated memory was 203.4 MB in the beginning and 1.0 GB in the end (delta: 809.5 MB). Free memory was 168.4 MB in the beginning and 627.3 MB in the end (delta: -458.9 MB). Peak memory consumption was 900.5 MB. Max. memory is 7.1 GB. [2020-10-15 02:00:05,625 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 228.03 ms. Allocated memory is still 148.4 MB. Free memory was 104.2 MB in the beginning and 94.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.36 ms. Allocated memory was 148.4 MB in the beginning and 203.4 MB in the end (delta: 55.1 MB). Free memory was 94.5 MB in the beginning and 182.2 MB in the end (delta: -87.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 256.83 ms. Allocated memory is still 203.4 MB. Free memory was 181.8 MB in the beginning and 168.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 65531.92 ms. Allocated memory was 203.4 MB in the beginning and 1.0 GB in the end (delta: 809.5 MB). Free memory was 168.4 MB in the beginning and 627.3 MB in the end (delta: -458.9 MB). Peak memory consumption was 900.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 62.9s, OverallIterations: 12, TraceHistogramMax: 27, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 319 SDtfs, 303 SDslu, 1607 SDs, 0 SdLazy, 3019 SolverSat, 665 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 716 GetRequests, 401 SyntacticMatches, 5 SemanticMatches, 310 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2383 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 26 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 569 PreInvPairs, 1475 NumberOfFragments, 149 HoareAnnotationTreeSize, 569 FomulaSimplifications, 25982 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2797 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 56.2s InterpolantComputationTime, 1232 NumberOfCodeBlocks, 1232 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1220 ConstructedInterpolants, 0 QuantifiedInterpolants, 315131 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 6081/7861 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...