/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 SingleStatement --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=0.3 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 12:26:32,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 12:26:32,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 12:26:32,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 12:26:32,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 12:26:32,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 12:26:32,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 12:26:32,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 12:26:32,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 12:26:32,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 12:26:32,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 12:26:32,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 12:26:32,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 12:26:32,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 12:26:32,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 12:26:32,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 12:26:32,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 12:26:32,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 12:26:32,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 12:26:32,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 12:26:32,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 12:26:32,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 12:26:32,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 12:26:32,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 12:26:32,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 12:26:32,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 12:26:32,183 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 12:26:32,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 12:26:32,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 12:26:32,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 12:26:32,188 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 12:26:32,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 12:26:32,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 12:26:32,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 12:26:32,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 12:26:32,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 12:26:32,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 12:26:32,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 12:26:32,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 12:26:32,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 12:26:32,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 12:26:32,197 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 [2020-09-25 12:26:32,263 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 12:26:32,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 12:26:32,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 12:26:32,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 12:26:32,267 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 12:26:32,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 12:26:32,267 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 12:26:32,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 12:26:32,268 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 12:26:32,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 12:26:32,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 12:26:32,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 12:26:32,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 12:26:32,268 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 12:26:32,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 12:26:32,269 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 12:26:32,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 12:26:32,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 12:26:32,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 12:26:32,270 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 12:26:32,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 12:26:32,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:26:32,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 12:26:32,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 12:26:32,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 12:26:32,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 12:26:32,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 12:26:32,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 12:26:32,273 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 12:26:32,273 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 -> SingleStatement 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=0.3;log-additional-information=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=0.3;log-additional-information=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=0.3;log-additional-information=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=0.3;log-additional-information=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=0.3;log-additional-information=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=0.3;log-additional-information=true; [2020-09-25 12:26:32,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 12:26:32,781 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 12:26:32,787 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 12:26:32,790 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 12:26:32,791 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 12:26:32,792 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label20.c [2020-09-25 12:26:32,885 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/73723c2cd/3cd8f6b7980941f0b73b5ea6cc037cbd/FLAG6219cbab8 [2020-09-25 12:26:33,554 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 12:26:33,555 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label20.c [2020-09-25 12:26:33,570 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/73723c2cd/3cd8f6b7980941f0b73b5ea6cc037cbd/FLAG6219cbab8 [2020-09-25 12:26:33,852 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/73723c2cd/3cd8f6b7980941f0b73b5ea6cc037cbd [2020-09-25 12:26:33,866 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 12:26:33,872 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 12:26:33,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 12:26:33,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 12:26:33,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 12:26:33,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:26:33" (1/1) ... [2020-09-25 12:26:33,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39bc374b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:26:33, skipping insertion in model container [2020-09-25 12:26:33,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:26:33" (1/1) ... [2020-09-25 12:26:33,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 12:26:33,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 12:26:34,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:26:34,577 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 12:26:34,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:26:34,698 INFO L208 MainTranslator]: Completed translation [2020-09-25 12:26:34,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:26:34 WrapperNode [2020-09-25 12:26:34,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 12:26:34,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 12:26:34,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 12:26:34,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 12:26:34,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:26:34" (1/1) ... [2020-09-25 12:26:34,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:26:34" (1/1) ... [2020-09-25 12:26:34,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:26:34" (1/1) ... [2020-09-25 12:26:34,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:26:34" (1/1) ... [2020-09-25 12:26:34,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:26:34" (1/1) ... [2020-09-25 12:26:34,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:26:34" (1/1) ... [2020-09-25 12:26:34,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:26:34" (1/1) ... [2020-09-25 12:26:34,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 12:26:34,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 12:26:34,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 12:26:34,815 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 12:26:34,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:26:34" (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 [2020-09-25 12:26:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 12:26:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 12:26:34,906 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-25 12:26:34,906 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 12:26:34,906 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-25 12:26:34,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 12:26:34,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 12:26:34,908 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-25 12:26:34,908 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 12:26:34,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 12:26:34,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 12:26:36,436 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 12:26:36,436 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 12:26:36,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:26:36 BoogieIcfgContainer [2020-09-25 12:26:36,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 12:26:36,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 12:26:36,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 12:26:36,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 12:26:36,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:26:33" (1/3) ... [2020-09-25 12:26:36,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@672ab68a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:26:36, skipping insertion in model container [2020-09-25 12:26:36,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:26:34" (2/3) ... [2020-09-25 12:26:36,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@672ab68a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:26:36, skipping insertion in model container [2020-09-25 12:26:36,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:26:36" (3/3) ... [2020-09-25 12:26:36,456 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label20.c [2020-09-25 12:26:36,468 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 12:26:36,479 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 12:26:36,505 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 12:26:36,548 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 12:26:36,548 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 12:26:36,549 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 12:26:36,549 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 12:26:36,549 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 12:26:36,549 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 12:26:36,549 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 12:26:36,550 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 12:26:36,586 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states. [2020-09-25 12:26:36,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-25 12:26:36,596 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:26:36,598 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:26:36,598 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:26:36,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:26:36,608 INFO L82 PathProgramCache]: Analyzing trace with hash 1331013031, now seen corresponding path program 1 times [2020-09-25 12:26:36,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:26:36,623 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1134065020] [2020-09-25 12:26:36,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:26:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:26:36,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:26:37,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:26:37,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 12:26:37,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:26:37,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 506 [2020-09-25 12:26:37,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:26:37,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:26:37,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:26:37,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 12:26:37,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-25 12:26:37,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 12:26:37,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:26:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:26:37,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:26:37,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:26:37,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 12:26:37,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:26:37,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 12:26:37,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:26:37,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:26:37,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:26:37,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:26:37,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:26:37,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:26:37,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:26:37,524 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1134065020] [2020-09-25 12:26:37,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:26:37,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 12:26:37,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147762009] [2020-09-25 12:26:37,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 12:26:37,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:26:37,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 12:26:37,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 12:26:37,564 INFO L87 Difference]: Start difference. First operand 456 states. Second operand 4 states. [2020-09-25 12:26:39,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:26:39,635 INFO L93 Difference]: Finished difference Result 1069 states and 1495 transitions. [2020-09-25 12:26:39,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 12:26:39,637 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-25 12:26:39,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:26:39,661 INFO L225 Difference]: With dead ends: 1069 [2020-09-25 12:26:39,661 INFO L226 Difference]: Without dead ends: 555 [2020-09-25 12:26:39,672 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 12:26:39,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2020-09-25 12:26:39,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 543. [2020-09-25 12:26:39,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2020-09-25 12:26:39,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 670 transitions. [2020-09-25 12:26:39,775 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 670 transitions. Word has length 47 [2020-09-25 12:26:39,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:26:39,776 INFO L479 AbstractCegarLoop]: Abstraction has 543 states and 670 transitions. [2020-09-25 12:26:39,776 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 12:26:39,776 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 670 transitions. [2020-09-25 12:26:39,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-09-25 12:26:39,784 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:26:39,785 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:26:39,785 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 12:26:39,785 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:26:39,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:26:39,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1207738435, now seen corresponding path program 1 times [2020-09-25 12:26:39,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:26:39,787 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [653386993] [2020-09-25 12:26:39,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:26:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:26:39,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:26:40,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:26:40,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:26:40,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:26:41,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:26:41,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-25 12:26:41,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:26:41,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1861 [2020-09-25 12:26:41,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:26:41,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:26:41,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:26:41,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-25 12:26:41,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-25 12:26:41,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:26:41,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:26:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:26:41,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:26:41,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:26:41,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 12:26:41,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:26:41,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 12:26:41,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:26:41,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:26:41,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:26:41,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:26:41,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:26:41,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:26:41,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-25 12:26:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:26:41,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:26:41,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:26:41,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-25 12:26:41,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:26:41,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-09-25 12:26:41,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:26:41,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:26:41,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:26:41,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:26:41,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 12:26:41,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:26:42,080 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:26:42,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [653386993] [2020-09-25 12:26:42,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:26:42,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 12:26:42,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410676489] [2020-09-25 12:26:42,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 12:26:42,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:26:42,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 12:26:42,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 12:26:42,086 INFO L87 Difference]: Start difference. First operand 543 states and 670 transitions. Second operand 7 states. [2020-09-25 12:26:44,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:26:44,505 INFO L93 Difference]: Finished difference Result 1423 states and 1832 transitions. [2020-09-25 12:26:44,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 12:26:44,506 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 127 [2020-09-25 12:26:44,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:26:44,511 INFO L225 Difference]: With dead ends: 1423 [2020-09-25 12:26:44,511 INFO L226 Difference]: Without dead ends: 895 [2020-09-25 12:26:44,514 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-25 12:26:44,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2020-09-25 12:26:44,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 857. [2020-09-25 12:26:44,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2020-09-25 12:26:44,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1029 transitions. [2020-09-25 12:26:44,572 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1029 transitions. Word has length 127 [2020-09-25 12:26:44,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:26:44,573 INFO L479 AbstractCegarLoop]: Abstraction has 857 states and 1029 transitions. [2020-09-25 12:26:44,573 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 12:26:44,574 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1029 transitions. [2020-09-25 12:26:44,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-09-25 12:26:44,580 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:26:44,580 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:26:44,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 12:26:44,581 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:26:44,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:26:44,581 INFO L82 PathProgramCache]: Analyzing trace with hash 843318586, now seen corresponding path program 1 times [2020-09-25 12:26:44,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:26:44,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1569261989] [2020-09-25 12:26:44,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:26:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:26:44,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:26:44,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:26:44,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:26:45,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:26:45,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:26:48,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:26:48,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:26:48,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:26:49,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:26:49,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-09-25 12:26:49,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 12:26:49,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4975 [2020-09-25 12:26:49,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:26:49,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:26:49,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 12:26:49,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 12:26:49,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-09-25 12:26:49,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:26:49,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:26:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:26:49,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:26:49,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:26:49,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 12:26:49,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:26:49,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 12:26:49,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:26:49,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:26:49,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:26:49,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:26:49,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:26:49,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:26:49,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-25 12:26:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:26:49,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:26:49,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:26:49,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 12:26:49,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:26:49,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-09-25 12:26:49,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:26:49,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:26:49,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:26:49,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:26:49,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-25 12:26:49,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:26:50,026 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:26:50,027 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1569261989] [2020-09-25 12:26:50,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 12:26:50,027 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-25 12:26:50,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119539990] [2020-09-25 12:26:50,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 12:26:50,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:26:50,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 12:26:50,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-25 12:26:50,031 INFO L87 Difference]: Start difference. First operand 857 states and 1029 transitions. Second operand 8 states. [2020-09-25 12:26:53,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:26:53,275 INFO L93 Difference]: Finished difference Result 2954 states and 3752 transitions. [2020-09-25 12:26:53,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 12:26:53,276 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 136 [2020-09-25 12:26:53,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:26:53,302 INFO L225 Difference]: With dead ends: 2954 [2020-09-25 12:26:53,303 INFO L226 Difference]: Without dead ends: 2112 [2020-09-25 12:26:53,310 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-09-25 12:26:53,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2112 states. [2020-09-25 12:26:53,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2112 to 1995. [2020-09-25 12:26:53,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1995 states. [2020-09-25 12:26:53,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 1995 states and 2472 transitions. [2020-09-25 12:26:53,444 INFO L78 Accepts]: Start accepts. Automaton has 1995 states and 2472 transitions. Word has length 136 [2020-09-25 12:26:53,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:26:53,445 INFO L479 AbstractCegarLoop]: Abstraction has 1995 states and 2472 transitions. [2020-09-25 12:26:53,449 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 12:26:53,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1995 states and 2472 transitions. [2020-09-25 12:26:53,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 12:26:53,460 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:26:53,463 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:26:53,464 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 12:26:53,465 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:26:53,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:26:53,466 INFO L82 PathProgramCache]: Analyzing trace with hash 350854071, now seen corresponding path program 1 times [2020-09-25 12:26:53,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:26:53,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [916696258] [2020-09-25 12:26:53,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:26:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:26:53,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:26:53,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:26:53,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:26:56,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:26:56,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:26:58,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:26:58,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-09-25 12:26:58,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 12:26:58,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-09-25 12:26:58,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:26:58,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:26:58,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:26:58,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 12:26:58,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-09-25 12:26:58,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:26:58,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:26:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:26:58,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:26:58,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:26:58,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 12:26:58,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:26:58,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 12:26:58,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:26:58,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:26:58,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:26:58,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:26:58,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:26:58,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:26:58,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-25 12:26:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:26:58,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:26:58,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:26:58,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-09-25 12:26:58,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:26:58,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 238 [2020-09-25 12:26:58,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:26:58,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:26:58,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:26:58,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:26:58,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-09-25 12:26:58,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:26:59,168 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:26:59,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [916696258] [2020-09-25 12:26:59,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:26:59,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 12:26:59,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666085954] [2020-09-25 12:26:59,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 12:26:59,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:26:59,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 12:26:59,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 12:26:59,174 INFO L87 Difference]: Start difference. First operand 1995 states and 2472 transitions. Second operand 7 states. [2020-09-25 12:27:01,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:27:01,208 INFO L93 Difference]: Finished difference Result 4154 states and 5152 transitions. [2020-09-25 12:27:01,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 12:27:01,209 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 174 [2020-09-25 12:27:01,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:27:01,222 INFO L225 Difference]: With dead ends: 4154 [2020-09-25 12:27:01,222 INFO L226 Difference]: Without dead ends: 2174 [2020-09-25 12:27:01,228 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-09-25 12:27:01,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2174 states. [2020-09-25 12:27:01,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2174 to 2159. [2020-09-25 12:27:01,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2159 states. [2020-09-25 12:27:01,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 2159 states and 2662 transitions. [2020-09-25 12:27:01,291 INFO L78 Accepts]: Start accepts. Automaton has 2159 states and 2662 transitions. Word has length 174 [2020-09-25 12:27:01,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:27:01,292 INFO L479 AbstractCegarLoop]: Abstraction has 2159 states and 2662 transitions. [2020-09-25 12:27:01,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 12:27:01,292 INFO L276 IsEmpty]: Start isEmpty. Operand 2159 states and 2662 transitions. [2020-09-25 12:27:01,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-09-25 12:27:01,296 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:27:01,296 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2020-09-25 12:27:01,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 12:27:01,297 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:27:01,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:27:01,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1483242834, now seen corresponding path program 1 times [2020-09-25 12:27:01,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:27:01,298 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1681427724] [2020-09-25 12:27:01,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:27:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:27:01,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:01,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:01,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:02,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:02,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:04,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:04,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:04,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:05,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:27:05,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-09-25 12:27:05,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 12:27:05,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4006 [2020-09-25 12:27:05,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:27:05,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:27:05,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 12:27:05,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 12:27:05,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-09-25 12:27:05,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:27:05,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:27:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:27:05,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:05,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:27:05,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 12:27:05,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:27:05,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 12:27:05,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:27:05,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:27:05,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:27:05,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:27:05,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:27:05,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:27:05,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-25 12:27:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:27:05,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:05,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:27:05,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-09-25 12:27:05,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:27:05,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-25 12:27:05,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:27:05,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:27:05,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:27:05,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:27:05,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 12:27:05,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:27:05,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:27:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:27:05,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:05,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:27:05,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-25 12:27:05,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:27:05,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-25 12:27:05,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:27:05,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:27:05,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:27:05,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:27:05,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 12:27:05,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:27:06,006 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 67 proven. 70 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-25 12:27:06,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1681427724] [2020-09-25 12:27:06,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 12:27:06,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-25 12:27:06,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096815788] [2020-09-25 12:27:06,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 12:27:06,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:27:06,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 12:27:06,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-09-25 12:27:06,009 INFO L87 Difference]: Start difference. First operand 2159 states and 2662 transitions. Second operand 10 states. [2020-09-25 12:27:09,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:27:09,167 INFO L93 Difference]: Finished difference Result 4572 states and 5737 transitions. [2020-09-25 12:27:09,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 12:27:09,168 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 206 [2020-09-25 12:27:09,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:27:09,182 INFO L225 Difference]: With dead ends: 4572 [2020-09-25 12:27:09,182 INFO L226 Difference]: Without dead ends: 2578 [2020-09-25 12:27:09,189 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2020-09-25 12:27:09,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2578 states. [2020-09-25 12:27:09,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2578 to 2529. [2020-09-25 12:27:09,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2529 states. [2020-09-25 12:27:09,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2529 states to 2529 states and 3103 transitions. [2020-09-25 12:27:09,264 INFO L78 Accepts]: Start accepts. Automaton has 2529 states and 3103 transitions. Word has length 206 [2020-09-25 12:27:09,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:27:09,265 INFO L479 AbstractCegarLoop]: Abstraction has 2529 states and 3103 transitions. [2020-09-25 12:27:09,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 12:27:09,265 INFO L276 IsEmpty]: Start isEmpty. Operand 2529 states and 3103 transitions. [2020-09-25 12:27:09,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-09-25 12:27:09,270 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:27:09,271 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:27:09,271 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 12:27:09,271 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:27:09,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:27:09,272 INFO L82 PathProgramCache]: Analyzing trace with hash -862349572, now seen corresponding path program 1 times [2020-09-25 12:27:09,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:27:09,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1201468257] [2020-09-25 12:27:09,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:27:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:27:09,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:09,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:09,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:09,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:11,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:11,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:11,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:11,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:12,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:14,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:27:14,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-09-25 12:27:14,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-09-25 12:27:14,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-09-25 12:27:14,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:27:14,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:27:14,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 12:27:14,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 12:27:14,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-09-25 12:27:14,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:27:14,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:27:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:27:14,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:14,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:27:14,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 12:27:14,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:27:14,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 12:27:14,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:27:14,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:27:14,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 12:27:14,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:27:14,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 12:27:14,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:27:14,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-25 12:27:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:27:14,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:14,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:14,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:27:14,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 12:27:14,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:27:14,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-09-25 12:27:14,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:27:14,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:27:14,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:27:14,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:27:14,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 12:27:14,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:27:14,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-25 12:27:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:27:14,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:14,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:15,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:27:15,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 12:27:15,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:27:15,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 317 [2020-09-25 12:27:15,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:27:15,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:27:15,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:27:15,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:27:15,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 12:27:15,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:27:15,254 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 138 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-25 12:27:15,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1201468257] [2020-09-25 12:27:15,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 12:27:15,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-25 12:27:15,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833948648] [2020-09-25 12:27:15,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 12:27:15,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:27:15,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 12:27:15,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-25 12:27:15,259 INFO L87 Difference]: Start difference. First operand 2529 states and 3103 transitions. Second operand 10 states. [2020-09-25 12:27:18,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:27:18,955 INFO L93 Difference]: Finished difference Result 6416 states and 8476 transitions. [2020-09-25 12:27:18,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-25 12:27:18,956 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 219 [2020-09-25 12:27:18,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:27:18,978 INFO L225 Difference]: With dead ends: 6416 [2020-09-25 12:27:18,978 INFO L226 Difference]: Without dead ends: 3745 [2020-09-25 12:27:18,989 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=288, Unknown=0, NotChecked=0, Total=420 [2020-09-25 12:27:18,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3745 states. [2020-09-25 12:27:19,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3745 to 3619. [2020-09-25 12:27:19,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3619 states. [2020-09-25 12:27:19,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3619 states to 3619 states and 4454 transitions. [2020-09-25 12:27:19,105 INFO L78 Accepts]: Start accepts. Automaton has 3619 states and 4454 transitions. Word has length 219 [2020-09-25 12:27:19,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:27:19,105 INFO L479 AbstractCegarLoop]: Abstraction has 3619 states and 4454 transitions. [2020-09-25 12:27:19,105 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 12:27:19,106 INFO L276 IsEmpty]: Start isEmpty. Operand 3619 states and 4454 transitions. [2020-09-25 12:27:19,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-09-25 12:27:19,111 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:27:19,111 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:27:19,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 12:27:19,112 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:27:19,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:27:19,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1169867801, now seen corresponding path program 1 times [2020-09-25 12:27:19,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:27:19,113 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [309366720] [2020-09-25 12:27:19,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:27:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:27:19,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:19,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:19,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:20,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:20,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:21,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:27:21,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-09-25 12:27:21,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 12:27:21,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2009 [2020-09-25 12:27:21,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:27:21,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:27:21,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 12:27:21,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 12:27:21,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 235 [2020-09-25 12:27:21,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:27:21,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:27:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:27:21,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:21,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:27:21,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 12:27:21,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:27:21,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 12:27:21,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:27:21,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:27:21,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 12:27:21,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:27:21,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 12:27:21,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:27:21,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-25 12:27:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:27:21,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:21,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:21,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:27:21,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-09-25 12:27:21,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:27:21,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-25 12:27:21,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:27:21,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:27:21,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:27:21,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:27:21,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-25 12:27:21,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:27:21,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:27:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:27:21,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:21,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:27:22,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:27:22,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-25 12:27:22,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:27:22,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 505 [2020-09-25 12:27:22,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:27:22,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:27:22,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:27:22,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:27:22,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-09-25 12:27:22,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1