/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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/eca-rers2012/Problem11_label44.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 02:38:36,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 02:38:36,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 02:38:36,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 02:38:36,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 02:38:36,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 02:38:36,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 02:38:36,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 02:38:36,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 02:38:36,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 02:38:36,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 02:38:36,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 02:38:36,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 02:38:36,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 02:38:36,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 02:38:36,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 02:38:36,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 02:38:36,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 02:38:36,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 02:38:36,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 02:38:36,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 02:38:36,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 02:38:36,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 02:38:36,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 02:38:36,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 02:38:36,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 02:38:36,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 02:38:36,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 02:38:36,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 02:38:36,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 02:38:36,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 02:38:36,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 02:38:36,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 02:38:36,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 02:38:36,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 02:38:36,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 02:38:36,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 02:38:36,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 02:38:36,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 02:38:36,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 02:38:36,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 02:38:36,210 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 02:38:36,234 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 02:38:36,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 02:38:36,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 02:38:36,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 02:38:36,236 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 02:38:36,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 02:38:36,236 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 02:38:36,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 02:38:36,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 02:38:36,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 02:38:36,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 02:38:36,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 02:38:36,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 02:38:36,238 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 02:38:36,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 02:38:36,238 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 02:38:36,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 02:38:36,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 02:38:36,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 02:38:36,239 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 02:38:36,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 02:38:36,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 02:38:36,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 02:38:36,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 02:38:36,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 02:38:36,240 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 02:38:36,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 02:38:36,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 02:38:36,241 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 02:38:36,241 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 02:38:36,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 02:38:36,568 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 02:38:36,571 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 02:38:36,573 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 02:38:36,573 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 02:38:36,574 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label44.c [2020-10-14 02:38:36,636 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/35b706674/d5403a2af32a4e9ab28c1c3fd0e4c815/FLAG79ebba7c6 [2020-10-14 02:38:37,255 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 02:38:37,256 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label44.c [2020-10-14 02:38:37,278 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/35b706674/d5403a2af32a4e9ab28c1c3fd0e4c815/FLAG79ebba7c6 [2020-10-14 02:38:37,422 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/35b706674/d5403a2af32a4e9ab28c1c3fd0e4c815 [2020-10-14 02:38:37,433 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 02:38:37,435 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 02:38:37,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 02:38:37,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 02:38:37,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 02:38:37,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:38:37" (1/1) ... [2020-10-14 02:38:37,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4137acd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:38:37, skipping insertion in model container [2020-10-14 02:38:37,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:38:37" (1/1) ... [2020-10-14 02:38:37,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 02:38:37,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 02:38:38,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 02:38:38,163 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 02:38:38,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 02:38:38,690 INFO L208 MainTranslator]: Completed translation [2020-10-14 02:38:38,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:38:38 WrapperNode [2020-10-14 02:38:38,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 02:38:38,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 02:38:38,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 02:38:38,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 02:38:38,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:38:38" (1/1) ... [2020-10-14 02:38:38,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:38:38" (1/1) ... [2020-10-14 02:38:38,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:38:38" (1/1) ... [2020-10-14 02:38:38,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:38:38" (1/1) ... [2020-10-14 02:38:38,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:38:38" (1/1) ... [2020-10-14 02:38:38,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:38:38" (1/1) ... [2020-10-14 02:38:38,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:38:38" (1/1) ... [2020-10-14 02:38:38,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 02:38:38,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 02:38:38,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 02:38:38,886 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 02:38:38,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:38:38" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 02:38:38,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 02:38:38,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 02:38:38,979 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 02:38:38,979 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 02:38:38,979 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 02:38:38,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 02:38:38,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 02:38:38,981 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 02:38:38,982 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 02:38:38,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 02:38:38,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 02:38:40,779 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 02:38:40,780 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 02:38:40,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:38:40 BoogieIcfgContainer [2020-10-14 02:38:40,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 02:38:40,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 02:38:40,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 02:38:40,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 02:38:40,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 02:38:37" (1/3) ... [2020-10-14 02:38:40,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@537ece67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:38:40, skipping insertion in model container [2020-10-14 02:38:40,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:38:38" (2/3) ... [2020-10-14 02:38:40,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@537ece67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:38:40, skipping insertion in model container [2020-10-14 02:38:40,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:38:40" (3/3) ... [2020-10-14 02:38:40,798 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label44.c [2020-10-14 02:38:40,810 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 02:38:40,819 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 02:38:40,835 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 02:38:40,866 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 02:38:40,866 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 02:38:40,866 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 02:38:40,866 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 02:38:40,867 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 02:38:40,867 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 02:38:40,867 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 02:38:40,867 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 02:38:40,896 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-14 02:38:40,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-14 02:38:40,905 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:38:40,906 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] [2020-10-14 02:38:40,907 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:38:40,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:38:40,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1276641867, now seen corresponding path program 1 times [2020-10-14 02:38:40,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:38:40,927 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1487634639] [2020-10-14 02:38:40,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:38:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:41,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:41,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:41,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 02:38:41,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:38:41,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 466 [2020-10-14 02:38:41,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:41,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:41,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 02:38:41,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 02:38:41,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 02:38:41,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 02:38:41,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:38:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:41,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:41,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:41,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:38:41,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:38:41,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 02:38:41,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:41,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:41,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:38:41,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:38:41,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:38:41,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:38:41,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:38:41,727 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1487634639] [2020-10-14 02:38:41,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 02:38:41,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 02:38:41,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492994592] [2020-10-14 02:38:41,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 02:38:41,737 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:38:41,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 02:38:41,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 02:38:41,756 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-14 02:38:44,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:38:44,155 INFO L93 Difference]: Finished difference Result 806 states and 1404 transitions. [2020-10-14 02:38:44,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:38:44,159 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-10-14 02:38:44,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:38:44,178 INFO L225 Difference]: With dead ends: 806 [2020-10-14 02:38:44,178 INFO L226 Difference]: Without dead ends: 434 [2020-10-14 02:38:44,187 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:38:44,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-10-14 02:38:44,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 428. [2020-10-14 02:38:44,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2020-10-14 02:38:44,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 617 transitions. [2020-10-14 02:38:44,272 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 617 transitions. Word has length 32 [2020-10-14 02:38:44,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:38:44,273 INFO L479 AbstractCegarLoop]: Abstraction has 428 states and 617 transitions. [2020-10-14 02:38:44,273 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 02:38:44,273 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 617 transitions. [2020-10-14 02:38:44,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-14 02:38:44,278 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:38:44,279 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:38:44,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 02:38:44,279 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:38:44,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:38:44,280 INFO L82 PathProgramCache]: Analyzing trace with hash 201462154, now seen corresponding path program 1 times [2020-10-14 02:38:44,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:38:44,280 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [637448360] [2020-10-14 02:38:44,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:38:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:44,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:44,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:44,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:45,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:45,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 02:38:45,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:38:45,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1321 [2020-10-14 02:38:45,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:45,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:45,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:38:45,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 02:38:45,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 02:38:45,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 02:38:45,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:38:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:45,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:45,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:45,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:38:45,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:38:45,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:38:45,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:45,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:45,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:38:45,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:38:45,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:38:45,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:38:45,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:38:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:45,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:45,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:45,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 02:38:45,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:38:45,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-14 02:38:45,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:45,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:45,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:38:45,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:38:45,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 02:38:45,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:38:45,936 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:38:45,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [637448360] [2020-10-14 02:38:45,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:38:45,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:38:45,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260677330] [2020-10-14 02:38:45,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:38:45,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:38:45,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:38:45,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:38:45,941 INFO L87 Difference]: Start difference. First operand 428 states and 617 transitions. Second operand 5 states. [2020-10-14 02:38:48,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:38:48,199 INFO L93 Difference]: Finished difference Result 1055 states and 1569 transitions. [2020-10-14 02:38:48,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:38:48,200 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2020-10-14 02:38:48,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:38:48,205 INFO L225 Difference]: With dead ends: 1055 [2020-10-14 02:38:48,206 INFO L226 Difference]: Without dead ends: 633 [2020-10-14 02:38:48,207 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:38:48,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2020-10-14 02:38:48,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 629. [2020-10-14 02:38:48,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629 states. [2020-10-14 02:38:48,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 878 transitions. [2020-10-14 02:38:48,247 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 878 transitions. Word has length 104 [2020-10-14 02:38:48,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:38:48,248 INFO L479 AbstractCegarLoop]: Abstraction has 629 states and 878 transitions. [2020-10-14 02:38:48,248 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:38:48,248 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 878 transitions. [2020-10-14 02:38:48,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-14 02:38:48,252 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:38:48,253 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:38:48,253 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 02:38:48,253 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:38:48,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:38:48,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1596761827, now seen corresponding path program 1 times [2020-10-14 02:38:48,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:38:48,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [260747091] [2020-10-14 02:38:48,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:38:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:48,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:48,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:49,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:49,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-14 02:38:49,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:38:49,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1151 [2020-10-14 02:38:49,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:49,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:49,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:38:49,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 02:38:49,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 02:38:49,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 02:38:49,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:38:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:49,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:49,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:49,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:38:49,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:38:49,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:38:49,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:49,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:49,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:38:49,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:38:49,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:38:49,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:38:49,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:38:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:49,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:49,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:49,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 02:38:49,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:38:49,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 02:38:49,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:49,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:49,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:38:49,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:38:49,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 02:38:49,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:38:49,688 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:38:49,688 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [260747091] [2020-10-14 02:38:49,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:38:49,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:38:49,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301043721] [2020-10-14 02:38:49,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:38:49,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:38:49,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:38:49,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:38:49,691 INFO L87 Difference]: Start difference. First operand 629 states and 878 transitions. Second operand 5 states. [2020-10-14 02:38:52,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:38:52,192 INFO L93 Difference]: Finished difference Result 1849 states and 2619 transitions. [2020-10-14 02:38:52,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:38:52,193 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 105 [2020-10-14 02:38:52,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:38:52,205 INFO L225 Difference]: With dead ends: 1849 [2020-10-14 02:38:52,205 INFO L226 Difference]: Without dead ends: 1226 [2020-10-14 02:38:52,207 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:38:52,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2020-10-14 02:38:52,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 1222. [2020-10-14 02:38:52,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1222 states. [2020-10-14 02:38:52,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 1654 transitions. [2020-10-14 02:38:52,279 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 1654 transitions. Word has length 105 [2020-10-14 02:38:52,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:38:52,282 INFO L479 AbstractCegarLoop]: Abstraction has 1222 states and 1654 transitions. [2020-10-14 02:38:52,282 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:38:52,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1654 transitions. [2020-10-14 02:38:52,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-14 02:38:52,294 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:38:52,295 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:38:52,295 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 02:38:52,298 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:38:52,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:38:52,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1529794375, now seen corresponding path program 1 times [2020-10-14 02:38:52,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:38:52,299 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1119190909] [2020-10-14 02:38:52,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:38:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:52,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:52,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:53,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:53,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 02:38:53,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:38:53,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 905 [2020-10-14 02:38:53,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:53,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:53,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:38:53,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-14 02:38:53,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 02:38:53,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-14 02:38:53,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:38:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:53,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:53,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:53,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:38:53,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:38:53,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:38:53,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:53,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:53,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:38:53,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:38:53,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:38:53,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:38:53,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:38:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:53,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:53,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:53,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 02:38:53,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:38:53,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-14 02:38:53,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:53,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:53,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:38:53,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:38:53,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-14 02:38:53,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:38:53,500 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:38:53,501 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1119190909] [2020-10-14 02:38:53,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:38:53,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:38:53,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342515427] [2020-10-14 02:38:53,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:38:53,504 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:38:53,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:38:53,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:38:53,505 INFO L87 Difference]: Start difference. First operand 1222 states and 1654 transitions. Second operand 5 states. [2020-10-14 02:38:55,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:38:55,950 INFO L93 Difference]: Finished difference Result 3607 states and 4977 transitions. [2020-10-14 02:38:55,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:38:55,951 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2020-10-14 02:38:55,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:38:55,966 INFO L225 Difference]: With dead ends: 3607 [2020-10-14 02:38:55,966 INFO L226 Difference]: Without dead ends: 2391 [2020-10-14 02:38:55,970 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:38:55,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2391 states. [2020-10-14 02:38:56,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2391 to 2367. [2020-10-14 02:38:56,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2367 states. [2020-10-14 02:38:56,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 3045 transitions. [2020-10-14 02:38:56,048 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 3045 transitions. Word has length 107 [2020-10-14 02:38:56,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:38:56,050 INFO L479 AbstractCegarLoop]: Abstraction has 2367 states and 3045 transitions. [2020-10-14 02:38:56,050 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:38:56,050 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 3045 transitions. [2020-10-14 02:38:56,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-14 02:38:56,057 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:38:56,057 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:38:56,058 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 02:38:56,058 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:38:56,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:38:56,058 INFO L82 PathProgramCache]: Analyzing trace with hash 993306070, now seen corresponding path program 1 times [2020-10-14 02:38:56,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:38:56,059 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [316686640] [2020-10-14 02:38:56,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:38:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:56,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:56,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:56,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:56,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-14 02:38:56,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:38:56,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 736 [2020-10-14 02:38:56,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:56,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:56,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:38:56,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-14 02:38:56,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 02:38:56,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:38:56,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:38:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:56,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:56,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:56,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:38:56,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:38:56,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:38:56,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:56,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:56,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:38:56,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:38:56,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:38:56,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:38:56,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:38:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:56,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:57,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:57,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 02:38:57,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:38:57,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-14 02:38:57,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:57,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:57,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:38:57,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:38:57,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 02:38:57,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:38:57,085 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:38:57,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [316686640] [2020-10-14 02:38:57,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:38:57,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:38:57,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293998244] [2020-10-14 02:38:57,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:38:57,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:38:57,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:38:57,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:38:57,087 INFO L87 Difference]: Start difference. First operand 2367 states and 3045 transitions. Second operand 5 states. [2020-10-14 02:38:59,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:38:59,454 INFO L93 Difference]: Finished difference Result 5886 states and 7714 transitions. [2020-10-14 02:38:59,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:38:59,455 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 114 [2020-10-14 02:38:59,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:38:59,473 INFO L225 Difference]: With dead ends: 5886 [2020-10-14 02:38:59,473 INFO L226 Difference]: Without dead ends: 3525 [2020-10-14 02:38:59,479 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:38:59,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3525 states. [2020-10-14 02:38:59,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3525 to 3513. [2020-10-14 02:38:59,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3513 states. [2020-10-14 02:38:59,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3513 states to 3513 states and 4409 transitions. [2020-10-14 02:38:59,572 INFO L78 Accepts]: Start accepts. Automaton has 3513 states and 4409 transitions. Word has length 114 [2020-10-14 02:38:59,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:38:59,573 INFO L479 AbstractCegarLoop]: Abstraction has 3513 states and 4409 transitions. [2020-10-14 02:38:59,573 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:38:59,573 INFO L276 IsEmpty]: Start isEmpty. Operand 3513 states and 4409 transitions. [2020-10-14 02:38:59,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-14 02:38:59,576 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:38:59,576 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:38:59,576 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 02:38:59,576 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:38:59,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:38:59,577 INFO L82 PathProgramCache]: Analyzing trace with hash -459217001, now seen corresponding path program 1 times [2020-10-14 02:38:59,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:38:59,577 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1117377769] [2020-10-14 02:38:59,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:38:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:59,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:59,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:00,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:00,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-14 02:39:00,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:39:00,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1381 [2020-10-14 02:39:00,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:00,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:00,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:39:00,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 02:39:00,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 02:39:00,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:01,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:39:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:01,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:01,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:01,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:39:01,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:01,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:39:01,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:01,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:01,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:39:01,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:01,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:39:01,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:01,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:39:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:01,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:01,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:01,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 02:39:01,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:01,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-14 02:39:01,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:01,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:01,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:39:01,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:01,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 02:39:01,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:01,263 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:39:01,264 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1117377769] [2020-10-14 02:39:01,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:39:01,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:39:01,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243963008] [2020-10-14 02:39:01,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:39:01,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:39:01,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:39:01,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:39:01,266 INFO L87 Difference]: Start difference. First operand 3513 states and 4409 transitions. Second operand 5 states. [2020-10-14 02:39:03,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:39:03,665 INFO L93 Difference]: Finished difference Result 8182 states and 10593 transitions. [2020-10-14 02:39:03,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:39:03,666 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-10-14 02:39:03,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:39:03,688 INFO L225 Difference]: With dead ends: 8182 [2020-10-14 02:39:03,689 INFO L226 Difference]: Without dead ends: 4675 [2020-10-14 02:39:03,698 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:39:03,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4675 states. [2020-10-14 02:39:03,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4675 to 4652. [2020-10-14 02:39:03,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4652 states. [2020-10-14 02:39:03,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4652 states to 4652 states and 5866 transitions. [2020-10-14 02:39:03,821 INFO L78 Accepts]: Start accepts. Automaton has 4652 states and 5866 transitions. Word has length 142 [2020-10-14 02:39:03,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:39:03,821 INFO L479 AbstractCegarLoop]: Abstraction has 4652 states and 5866 transitions. [2020-10-14 02:39:03,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:39:03,822 INFO L276 IsEmpty]: Start isEmpty. Operand 4652 states and 5866 transitions. [2020-10-14 02:39:03,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-14 02:39:03,824 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:39:03,825 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:39:03,825 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 02:39:03,825 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:39:03,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:39:03,826 INFO L82 PathProgramCache]: Analyzing trace with hash -2124206769, now seen corresponding path program 1 times [2020-10-14 02:39:03,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:39:03,826 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [976150583] [2020-10-14 02:39:03,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:39:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:03,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:03,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:04,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:04,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:04,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:04,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:05,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:05,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-14 02:39:05,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 02:39:05,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1166 [2020-10-14 02:39:05,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:05,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:05,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:39:05,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 02:39:05,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-14 02:39:05,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:05,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:39:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:05,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:05,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:05,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:39:05,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:05,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 02:39:05,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:05,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:05,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:39:05,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:05,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:39:05,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:05,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:39:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:05,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:05,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:05,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:05,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-14 02:39:05,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:39:05,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-10-14 02:39:05,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:05,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:05,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:39:05,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-14 02:39:05,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 02:39:05,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:05,380 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:39:05,381 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [976150583] [2020-10-14 02:39:05,381 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 02:39:05,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 02:39:05,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941954973] [2020-10-14 02:39:05,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 02:39:05,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:39:05,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 02:39:05,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:39:05,384 INFO L87 Difference]: Start difference. First operand 4652 states and 5866 transitions. Second operand 6 states. [2020-10-14 02:39:07,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:39:07,027 INFO L93 Difference]: Finished difference Result 9304 states and 11779 transitions. [2020-10-14 02:39:07,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:39:07,029 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 146 [2020-10-14 02:39:07,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:39:07,050 INFO L225 Difference]: With dead ends: 9304 [2020-10-14 02:39:07,050 INFO L226 Difference]: Without dead ends: 4658 [2020-10-14 02:39:07,062 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:39:07,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4658 states. [2020-10-14 02:39:07,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4658 to 4645. [2020-10-14 02:39:07,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4645 states. [2020-10-14 02:39:07,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4645 states to 4645 states and 5848 transitions. [2020-10-14 02:39:07,171 INFO L78 Accepts]: Start accepts. Automaton has 4645 states and 5848 transitions. Word has length 146 [2020-10-14 02:39:07,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:39:07,172 INFO L479 AbstractCegarLoop]: Abstraction has 4645 states and 5848 transitions. [2020-10-14 02:39:07,172 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 02:39:07,172 INFO L276 IsEmpty]: Start isEmpty. Operand 4645 states and 5848 transitions. [2020-10-14 02:39:07,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-14 02:39:07,176 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:39:07,176 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:39:07,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 02:39:07,176 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:39:07,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:39:07,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1644489583, now seen corresponding path program 1 times [2020-10-14 02:39:07,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:39:07,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1611118534] [2020-10-14 02:39:07,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:39:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:07,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:07,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:08,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:08,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:08,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 02:39:08,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:39:08,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1141 [2020-10-14 02:39:08,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:08,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:08,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:39:08,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 131 [2020-10-14 02:39:08,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 02:39:08,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:08,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:39:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:08,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:08,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:08,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:39:08,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:08,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:39:08,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:08,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:08,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:39:08,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:08,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:39:08,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:39:08,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:39:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:08,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:08,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:08,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-14 02:39:08,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:08,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-14 02:39:08,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:08,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:08,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:39:08,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:08,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-14 02:39:08,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:39:08,627 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:39:08,627 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1611118534] [2020-10-14 02:39:08,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:39:08,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:39:08,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267288301] [2020-10-14 02:39:08,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:39:08,628 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:39:08,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:39:08,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:39:08,629 INFO L87 Difference]: Start difference. First operand 4645 states and 5848 transitions. Second operand 5 states. [2020-10-14 02:39:11,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:39:11,060 INFO L93 Difference]: Finished difference Result 10247 states and 13121 transitions. [2020-10-14 02:39:11,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:39:11,061 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2020-10-14 02:39:11,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:39:11,088 INFO L225 Difference]: With dead ends: 10247 [2020-10-14 02:39:11,088 INFO L226 Difference]: Without dead ends: 5608 [2020-10-14 02:39:11,100 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:39:11,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5608 states. [2020-10-14 02:39:11,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5608 to 5596. [2020-10-14 02:39:11,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5596 states. [2020-10-14 02:39:11,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5596 states to 5596 states and 7105 transitions. [2020-10-14 02:39:11,356 INFO L78 Accepts]: Start accepts. Automaton has 5596 states and 7105 transitions. Word has length 153 [2020-10-14 02:39:11,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:39:11,357 INFO L479 AbstractCegarLoop]: Abstraction has 5596 states and 7105 transitions. [2020-10-14 02:39:11,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:39:11,357 INFO L276 IsEmpty]: Start isEmpty. Operand 5596 states and 7105 transitions. [2020-10-14 02:39:11,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-14 02:39:11,361 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:39:11,362 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:39:11,362 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 02:39:11,362 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:39:11,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:39:11,362 INFO L82 PathProgramCache]: Analyzing trace with hash -39806698, now seen corresponding path program 1 times [2020-10-14 02:39:11,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:39:11,363 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1606673598] [2020-10-14 02:39:11,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:39:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:11,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:11,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:11,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:12,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:12,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:13,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:13,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-14 02:39:13,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 02:39:13,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1621 [2020-10-14 02:39:13,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:13,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:13,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:39:13,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 139 [2020-10-14 02:39:13,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:39:13,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:39:13,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:39:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:13,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:13,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:13,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:39:13,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:13,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:39:13,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:13,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:13,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:39:13,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:13,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:39:13,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:13,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:39:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:13,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:13,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:13,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 02:39:13,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:13,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-14 02:39:13,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:13,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:13,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:39:13,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-10-14 02:39:13,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:39:13,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:13,389 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:39:13,394 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1606673598] [2020-10-14 02:39:13,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 02:39:13,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 02:39:13,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294291822] [2020-10-14 02:39:13,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:39:13,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:39:13,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:39:13,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:39:13,398 INFO L87 Difference]: Start difference. First operand 5596 states and 7105 transitions. Second operand 5 states. [2020-10-14 02:39:15,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:39:15,600 INFO L93 Difference]: Finished difference Result 13666 states and 17614 transitions. [2020-10-14 02:39:15,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:39:15,602 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 163 [2020-10-14 02:39:15,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:39:15,632 INFO L225 Difference]: With dead ends: 13666 [2020-10-14 02:39:15,633 INFO L226 Difference]: Without dead ends: 8076 [2020-10-14 02:39:15,646 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:39:15,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8076 states. [2020-10-14 02:39:15,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8076 to 7315. [2020-10-14 02:39:15,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7315 states. [2020-10-14 02:39:15,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7315 states to 7315 states and 8814 transitions. [2020-10-14 02:39:15,804 INFO L78 Accepts]: Start accepts. Automaton has 7315 states and 8814 transitions. Word has length 163 [2020-10-14 02:39:15,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:39:15,804 INFO L479 AbstractCegarLoop]: Abstraction has 7315 states and 8814 transitions. [2020-10-14 02:39:15,804 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:39:15,804 INFO L276 IsEmpty]: Start isEmpty. Operand 7315 states and 8814 transitions. [2020-10-14 02:39:15,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-14 02:39:15,808 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:39:15,809 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:39:15,809 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 02:39:15,809 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:39:15,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:39:15,810 INFO L82 PathProgramCache]: Analyzing trace with hash -360523880, now seen corresponding path program 1 times [2020-10-14 02:39:15,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:39:15,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [80097136] [2020-10-14 02:39:15,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:39:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:15,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:16,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:16,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:17,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:17,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-14 02:39:17,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:39:17,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1338 [2020-10-14 02:39:17,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:17,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:17,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:39:17,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 173 [2020-10-14 02:39:17,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 02:39:17,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:39:17,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:39:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:17,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:17,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:17,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:39:17,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:17,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:39:17,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:17,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:17,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:39:17,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:17,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:39:17,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:17,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:39:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:17,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:17,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:17,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-14 02:39:17,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:17,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-14 02:39:17,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:17,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:17,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:39:17,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:17,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-10-14 02:39:17,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:17,801 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:39:17,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [80097136] [2020-10-14 02:39:17,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:39:17,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:39:17,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144383618] [2020-10-14 02:39:17,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:39:17,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:39:17,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:39:17,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:39:17,805 INFO L87 Difference]: Start difference. First operand 7315 states and 8814 transitions. Second operand 5 states. [2020-10-14 02:39:19,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:39:19,983 INFO L93 Difference]: Finished difference Result 17139 states and 20933 transitions. [2020-10-14 02:39:19,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:39:19,984 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 195 [2020-10-14 02:39:19,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:39:20,014 INFO L225 Difference]: With dead ends: 17139 [2020-10-14 02:39:20,015 INFO L226 Difference]: Without dead ends: 8880 [2020-10-14 02:39:20,032 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:39:20,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8880 states. [2020-10-14 02:39:20,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8880 to 8653. [2020-10-14 02:39:20,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8653 states. [2020-10-14 02:39:20,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8653 states to 8653 states and 10404 transitions. [2020-10-14 02:39:20,194 INFO L78 Accepts]: Start accepts. Automaton has 8653 states and 10404 transitions. Word has length 195 [2020-10-14 02:39:20,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:39:20,195 INFO L479 AbstractCegarLoop]: Abstraction has 8653 states and 10404 transitions. [2020-10-14 02:39:20,195 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:39:20,195 INFO L276 IsEmpty]: Start isEmpty. Operand 8653 states and 10404 transitions. [2020-10-14 02:39:20,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-10-14 02:39:20,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:39:20,208 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, 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, 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] [2020-10-14 02:39:20,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 02:39:20,209 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:39:20,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:39:20,209 INFO L82 PathProgramCache]: Analyzing trace with hash -906603202, now seen corresponding path program 1 times [2020-10-14 02:39:20,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:39:20,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1461659195] [2020-10-14 02:39:20,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:39:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:20,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:20,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:20,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:21,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:22,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:22,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 311 [2020-10-14 02:39:22,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:39:22,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2554 [2020-10-14 02:39:22,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:22,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:22,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:39:22,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 02:39:22,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 02:39:22,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:39:22,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:39:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:22,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:22,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:22,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:39:22,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:22,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:39:22,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:22,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:22,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:39:22,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:22,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:39:22,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:22,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:39:22,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:23,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:23,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:23,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 02:39:23,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:23,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-14 02:39:23,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:23,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:23,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:39:23,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:23,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 02:39:23,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:23,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 02:39:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:23,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:23,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:23,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-14 02:39:23,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:23,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-10-14 02:39:23,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:23,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:23,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:39:23,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:39:23,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-14 02:39:23,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:23,803 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 163 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:39:23,804 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1461659195] [2020-10-14 02:39:23,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:39:23,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:39:23,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487863697] [2020-10-14 02:39:23,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:39:23,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:39:23,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:39:23,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:39:23,807 INFO L87 Difference]: Start difference. First operand 8653 states and 10404 transitions. Second operand 7 states. [2020-10-14 02:39:26,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:39:26,396 INFO L93 Difference]: Finished difference Result 19716 states and 24019 transitions. [2020-10-14 02:39:26,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:39:26,397 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 299 [2020-10-14 02:39:26,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:39:26,441 INFO L225 Difference]: With dead ends: 19716 [2020-10-14 02:39:26,442 INFO L226 Difference]: Without dead ends: 11069 [2020-10-14 02:39:26,461 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:39:26,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11069 states. [2020-10-14 02:39:26,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11069 to 10851. [2020-10-14 02:39:26,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10851 states. [2020-10-14 02:39:26,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10851 states to 10851 states and 13120 transitions. [2020-10-14 02:39:26,686 INFO L78 Accepts]: Start accepts. Automaton has 10851 states and 13120 transitions. Word has length 299 [2020-10-14 02:39:26,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:39:26,686 INFO L479 AbstractCegarLoop]: Abstraction has 10851 states and 13120 transitions. [2020-10-14 02:39:26,686 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:39:26,687 INFO L276 IsEmpty]: Start isEmpty. Operand 10851 states and 13120 transitions. [2020-10-14 02:39:26,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-10-14 02:39:26,699 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:39:26,700 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, 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, 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] [2020-10-14 02:39:26,700 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 02:39:26,700 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:39:26,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:39:26,701 INFO L82 PathProgramCache]: Analyzing trace with hash 984580955, now seen corresponding path program 1 times [2020-10-14 02:39:26,701 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:39:26,701 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1663569617] [2020-10-14 02:39:26,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:39:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:26,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:26,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:28,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:28,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 325 [2020-10-14 02:39:28,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:39:28,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1737 [2020-10-14 02:39:28,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:28,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:28,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:39:28,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 02:39:28,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-10-14 02:39:28,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 02:39:28,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:39:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:28,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:28,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:28,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:39:28,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:28,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:39:28,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:28,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:28,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:39:28,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:28,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:39:28,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:39:28,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:39:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:28,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:28,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:28,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 02:39:28,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:28,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-14 02:39:28,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:28,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:28,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:39:28,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:28,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 02:39:28,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:28,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 02:39:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:28,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:29,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:29,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-14 02:39:29,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:29,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 257 [2020-10-14 02:39:29,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:29,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:29,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:39:29,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:39:29,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-14 02:39:29,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:39:29,561 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 163 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:39:29,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1663569617] [2020-10-14 02:39:29,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:39:29,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:39:29,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212525320] [2020-10-14 02:39:29,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:39:29,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:39:29,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:39:29,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:39:29,564 INFO L87 Difference]: Start difference. First operand 10851 states and 13120 transitions. Second operand 7 states. [2020-10-14 02:39:32,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:39:32,706 INFO L93 Difference]: Finished difference Result 22541 states and 27296 transitions. [2020-10-14 02:39:32,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 02:39:32,708 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 313 [2020-10-14 02:39:32,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:39:32,742 INFO L225 Difference]: With dead ends: 22541 [2020-10-14 02:39:32,742 INFO L226 Difference]: Without dead ends: 11500 [2020-10-14 02:39:32,765 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-14 02:39:32,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11500 states. [2020-10-14 02:39:32,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11500 to 11465. [2020-10-14 02:39:32,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11465 states. [2020-10-14 02:39:32,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11465 states to 11465 states and 13708 transitions. [2020-10-14 02:39:32,991 INFO L78 Accepts]: Start accepts. Automaton has 11465 states and 13708 transitions. Word has length 313 [2020-10-14 02:39:32,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:39:32,992 INFO L479 AbstractCegarLoop]: Abstraction has 11465 states and 13708 transitions. [2020-10-14 02:39:32,992 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:39:32,992 INFO L276 IsEmpty]: Start isEmpty. Operand 11465 states and 13708 transitions. [2020-10-14 02:39:33,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-10-14 02:39:33,013 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:39:33,014 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, 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, 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, 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] [2020-10-14 02:39:33,015 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 02:39:33,015 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:39:33,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:39:33,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1746270990, now seen corresponding path program 1 times [2020-10-14 02:39:33,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:39:33,016 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1634816241] [2020-10-14 02:39:33,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:39:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:33,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:33,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:34,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:34,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:34,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 326 [2020-10-14 02:39:34,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:39:34,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1274 [2020-10-14 02:39:34,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:34,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:34,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:39:34,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 02:39:34,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-14 02:39:34,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:34,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:39:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:34,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:34,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:34,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:39:34,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:34,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:39:34,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:34,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:34,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:39:34,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:34,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:39:34,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:39:34,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:39:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:34,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:34,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:34,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 02:39:34,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:34,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-14 02:39:34,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:34,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:34,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:39:34,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:34,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 02:39:34,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:34,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 02:39:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:34,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:34,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:34,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-14 02:39:34,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:34,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-14 02:39:34,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:34,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:34,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:39:34,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:39:34,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-14 02:39:34,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:39:35,020 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 176 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:39:35,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1634816241] [2020-10-14 02:39:35,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:39:35,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:39:35,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581721504] [2020-10-14 02:39:35,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:39:35,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:39:35,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:39:35,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:39:35,022 INFO L87 Difference]: Start difference. First operand 11465 states and 13708 transitions. Second operand 7 states. [2020-10-14 02:39:37,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:39:37,713 INFO L93 Difference]: Finished difference Result 23014 states and 27685 transitions. [2020-10-14 02:39:37,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 02:39:37,714 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 314 [2020-10-14 02:39:37,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:39:37,758 INFO L225 Difference]: With dead ends: 23014 [2020-10-14 02:39:37,758 INFO L226 Difference]: Without dead ends: 11555 [2020-10-14 02:39:37,777 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:39:37,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11555 states. [2020-10-14 02:39:37,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11555 to 11100. [2020-10-14 02:39:37,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11100 states. [2020-10-14 02:39:38,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11100 states to 11100 states and 13186 transitions. [2020-10-14 02:39:38,014 INFO L78 Accepts]: Start accepts. Automaton has 11100 states and 13186 transitions. Word has length 314 [2020-10-14 02:39:38,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:39:38,015 INFO L479 AbstractCegarLoop]: Abstraction has 11100 states and 13186 transitions. [2020-10-14 02:39:38,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:39:38,015 INFO L276 IsEmpty]: Start isEmpty. Operand 11100 states and 13186 transitions. [2020-10-14 02:39:38,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-10-14 02:39:38,034 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:39:38,035 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, 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, 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, 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] [2020-10-14 02:39:38,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 02:39:38,035 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:39:38,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:39:38,036 INFO L82 PathProgramCache]: Analyzing trace with hash -879270441, now seen corresponding path program 1 times [2020-10-14 02:39:38,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:39:38,037 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [837085423] [2020-10-14 02:39:38,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:39:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:38,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:38,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:38,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:39,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:39,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:39,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 327 [2020-10-14 02:39:39,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:39:39,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1545 [2020-10-14 02:39:39,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:39,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:39,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:39:39,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 02:39:39,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 156 [2020-10-14 02:39:39,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:39:39,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:39:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:39,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:39,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:39,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:39:39,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:39,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:39:39,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:39,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:39,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:39:39,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:39,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:39:39,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:39:39,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:39:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:39,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:39,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:39,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 02:39:39,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:39,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 02:39:39,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:39,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:39,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:39:39,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:39,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 02:39:39,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:39:39,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 02:39:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:39,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:40,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:40,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-14 02:39:40,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:40,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-14 02:39:40,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:40,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:40,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:39:40,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:39:40,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-14 02:39:40,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:39:40,330 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 176 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:39:40,331 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [837085423] [2020-10-14 02:39:40,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:39:40,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:39:40,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508262145] [2020-10-14 02:39:40,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:39:40,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:39:40,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:39:40,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:39:40,334 INFO L87 Difference]: Start difference. First operand 11100 states and 13186 transitions. Second operand 7 states. [2020-10-14 02:39:43,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:39:43,145 INFO L93 Difference]: Finished difference Result 24064 states and 29290 transitions. [2020-10-14 02:39:43,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:39:43,146 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 315 [2020-10-14 02:39:43,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:39:43,189 INFO L225 Difference]: With dead ends: 24064 [2020-10-14 02:39:43,189 INFO L226 Difference]: Without dead ends: 12970 [2020-10-14 02:39:43,208 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:39:43,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12970 states. [2020-10-14 02:39:43,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12970 to 12845. [2020-10-14 02:39:43,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12845 states. [2020-10-14 02:39:43,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12845 states to 12845 states and 15330 transitions. [2020-10-14 02:39:43,466 INFO L78 Accepts]: Start accepts. Automaton has 12845 states and 15330 transitions. Word has length 315 [2020-10-14 02:39:43,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:39:43,467 INFO L479 AbstractCegarLoop]: Abstraction has 12845 states and 15330 transitions. [2020-10-14 02:39:43,467 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:39:43,467 INFO L276 IsEmpty]: Start isEmpty. Operand 12845 states and 15330 transitions. [2020-10-14 02:39:43,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2020-10-14 02:39:43,480 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:39:43,480 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, 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, 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, 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] [2020-10-14 02:39:43,480 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 02:39:43,480 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:39:43,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:39:43,481 INFO L82 PathProgramCache]: Analyzing trace with hash -733864448, now seen corresponding path program 1 times [2020-10-14 02:39:43,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:39:43,481 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [934487254] [2020-10-14 02:39:43,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:39:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:43,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:43,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:44,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:44,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:44,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:44,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 334 [2020-10-14 02:39:44,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:39:44,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 577 [2020-10-14 02:39:44,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:44,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:44,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:39:44,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 02:39:44,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 297 [2020-10-14 02:39:44,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:39:44,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:39:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:44,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:44,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:44,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:39:44,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:44,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 02:39:44,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:44,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:44,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:39:44,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:44,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:39:44,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:39:44,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:39:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:44,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:44,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:44,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:44,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 02:39:44,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:39:44,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 377 [2020-10-14 02:39:44,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:44,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:44,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:39:44,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:44,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-14 02:39:44,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:39:44,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 02:39:44,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:44,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:44,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:44,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:44,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 02:39:44,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:39:44,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-14 02:39:44,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:44,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:44,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:39:44,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-10-14 02:39:44,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 02:39:44,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:44,953 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-14 02:39:44,953 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [934487254] [2020-10-14 02:39:44,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 02:39:44,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 02:39:44,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144114867] [2020-10-14 02:39:44,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 02:39:44,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:39:44,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 02:39:44,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:39:44,955 INFO L87 Difference]: Start difference. First operand 12845 states and 15330 transitions. Second operand 6 states. [2020-10-14 02:39:46,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:39:46,647 INFO L93 Difference]: Finished difference Result 25707 states and 30685 transitions. [2020-10-14 02:39:46,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:39:46,648 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 322 [2020-10-14 02:39:46,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:39:46,692 INFO L225 Difference]: With dead ends: 25707 [2020-10-14 02:39:46,693 INFO L226 Difference]: Without dead ends: 12868 [2020-10-14 02:39:46,718 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:39:46,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12868 states. [2020-10-14 02:39:46,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12868 to 12842. [2020-10-14 02:39:46,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12842 states. [2020-10-14 02:39:46,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12842 states to 12842 states and 15315 transitions. [2020-10-14 02:39:46,937 INFO L78 Accepts]: Start accepts. Automaton has 12842 states and 15315 transitions. Word has length 322 [2020-10-14 02:39:46,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:39:46,938 INFO L479 AbstractCegarLoop]: Abstraction has 12842 states and 15315 transitions. [2020-10-14 02:39:46,938 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 02:39:46,938 INFO L276 IsEmpty]: Start isEmpty. Operand 12842 states and 15315 transitions. [2020-10-14 02:39:46,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-10-14 02:39:46,950 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:39:46,950 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, 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, 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, 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] [2020-10-14 02:39:46,950 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 02:39:46,950 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:39:46,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:39:46,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1538212565, now seen corresponding path program 1 times [2020-10-14 02:39:46,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:39:46,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [493069963] [2020-10-14 02:39:46,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:39:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:47,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:47,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:48,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:48,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 340 [2020-10-14 02:39:48,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:39:48,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1467 [2020-10-14 02:39:48,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:48,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:48,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:39:48,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 02:39:48,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-14 02:39:48,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:39:48,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:39:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:48,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:48,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:48,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:39:48,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:48,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:39:48,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:48,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:48,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:39:48,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:48,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:39:48,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:48,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:39:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:48,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:48,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:48,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 02:39:48,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:48,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-14 02:39:48,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:48,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:48,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:39:48,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:48,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 02:39:48,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:39:48,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 02:39:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:48,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:49,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:49,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-14 02:39:49,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:49,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-10-14 02:39:49,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:49,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:49,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:39:49,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:39:49,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-14 02:39:49,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:39:49,313 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 176 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:39:49,313 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [493069963] [2020-10-14 02:39:49,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:39:49,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:39:49,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316728564] [2020-10-14 02:39:49,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:39:49,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:39:49,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:39:49,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:39:49,315 INFO L87 Difference]: Start difference. First operand 12842 states and 15315 transitions. Second operand 7 states. [2020-10-14 02:39:52,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:39:52,390 INFO L93 Difference]: Finished difference Result 26097 states and 31126 transitions. [2020-10-14 02:39:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 02:39:52,391 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 328 [2020-10-14 02:39:52,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:39:52,428 INFO L225 Difference]: With dead ends: 26097 [2020-10-14 02:39:52,429 INFO L226 Difference]: Without dead ends: 13261 [2020-10-14 02:39:52,447 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-14 02:39:52,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13261 states. [2020-10-14 02:39:52,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13261 to 12844. [2020-10-14 02:39:52,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12844 states. [2020-10-14 02:39:52,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12844 states to 12844 states and 15240 transitions. [2020-10-14 02:39:52,667 INFO L78 Accepts]: Start accepts. Automaton has 12844 states and 15240 transitions. Word has length 328 [2020-10-14 02:39:52,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:39:52,668 INFO L479 AbstractCegarLoop]: Abstraction has 12844 states and 15240 transitions. [2020-10-14 02:39:52,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:39:52,668 INFO L276 IsEmpty]: Start isEmpty. Operand 12844 states and 15240 transitions. [2020-10-14 02:39:52,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2020-10-14 02:39:52,682 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:39:52,683 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, 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, 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, 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, 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] [2020-10-14 02:39:52,683 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 02:39:52,683 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:39:52,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:39:52,683 INFO L82 PathProgramCache]: Analyzing trace with hash 218729445, now seen corresponding path program 1 times [2020-10-14 02:39:52,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:39:52,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1581744146] [2020-10-14 02:39:52,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:39:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:52,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:52,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:53,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:53,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:53,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:53,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:54,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:54,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:54,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:54,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 405 [2020-10-14 02:39:54,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 02:39:54,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2226 [2020-10-14 02:39:54,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:54,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:54,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:39:54,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 02:39:54,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 368 [2020-10-14 02:39:54,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:39:55,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:39:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:55,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:55,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:55,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:39:55,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:55,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:39:55,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:55,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:55,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:39:55,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:55,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:39:55,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:39:55,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:39:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:55,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:55,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:55,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:55,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-14 02:39:55,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:39:55,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-14 02:39:55,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:55,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:55,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:39:55,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:55,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-14 02:39:55,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:39:55,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-14 02:39:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:55,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:55,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:55,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:55,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-14 02:39:55,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:39:55,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-10-14 02:39:55,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:55,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:55,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:39:55,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-10-14 02:39:55,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 02:39:55,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:39:55,683 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2020-10-14 02:39:55,683 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1581744146] [2020-10-14 02:39:55,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 02:39:55,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 02:39:55,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094174428] [2020-10-14 02:39:55,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 02:39:55,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:39:55,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 02:39:55,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:39:55,685 INFO L87 Difference]: Start difference. First operand 12844 states and 15240 transitions. Second operand 6 states. [2020-10-14 02:39:57,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:39:57,463 INFO L93 Difference]: Finished difference Result 25304 states and 30056 transitions. [2020-10-14 02:39:57,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:39:57,464 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 393 [2020-10-14 02:39:57,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:39:57,501 INFO L225 Difference]: With dead ends: 25304 [2020-10-14 02:39:57,502 INFO L226 Difference]: Without dead ends: 12466 [2020-10-14 02:39:57,519 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:39:57,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12466 states. [2020-10-14 02:39:57,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12466 to 12428. [2020-10-14 02:39:57,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12428 states. [2020-10-14 02:39:57,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12428 states to 12428 states and 14744 transitions. [2020-10-14 02:39:57,732 INFO L78 Accepts]: Start accepts. Automaton has 12428 states and 14744 transitions. Word has length 393 [2020-10-14 02:39:57,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:39:57,733 INFO L479 AbstractCegarLoop]: Abstraction has 12428 states and 14744 transitions. [2020-10-14 02:39:57,733 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 02:39:57,733 INFO L276 IsEmpty]: Start isEmpty. Operand 12428 states and 14744 transitions. [2020-10-14 02:39:57,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2020-10-14 02:39:57,748 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:39:57,749 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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] [2020-10-14 02:39:57,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 02:39:57,749 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:39:57,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:39:57,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1817139837, now seen corresponding path program 1 times [2020-10-14 02:39:57,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:39:57,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [67244564] [2020-10-14 02:39:57,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:39:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:57,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:57,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:58,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:59,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:02,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:02,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 411 [2020-10-14 02:40:02,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:40:02,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-14 02:40:02,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:02,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:02,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:02,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-14 02:40:02,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-10-14 02:40:02,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:02,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:40:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:02,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:02,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:02,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:40:02,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:02,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:40:02,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:02,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:02,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:40:02,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:02,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:40:02,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:02,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:40:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:02,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:02,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:02,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 02:40:02,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:02,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 02:40:02,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:02,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:02,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:40:02,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:02,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:40:02,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:03,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 02:40:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:03,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:03,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:03,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 02:40:03,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:03,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 02:40:03,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:03,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:03,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:40:03,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:03,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 02:40:03,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:03,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 02:40:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:03,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:03,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:03,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-14 02:40:03,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:03,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 255 [2020-10-14 02:40:03,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:03,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:03,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:03,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:40:03,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-14 02:40:03,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:40:04,220 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 272 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-14 02:40:04,221 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [67244564] [2020-10-14 02:40:04,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:40:04,221 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:40:04,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53290117] [2020-10-14 02:40:04,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:40:04,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:40:04,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:40:04,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:40:04,229 INFO L87 Difference]: Start difference. First operand 12428 states and 14744 transitions. Second operand 7 states. [2020-10-14 02:40:07,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:40:07,271 INFO L93 Difference]: Finished difference Result 28862 states and 34225 transitions. [2020-10-14 02:40:07,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 02:40:07,272 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 397 [2020-10-14 02:40:07,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:40:07,323 INFO L225 Difference]: With dead ends: 28862 [2020-10-14 02:40:07,323 INFO L226 Difference]: Without dead ends: 15478 [2020-10-14 02:40:07,346 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-14 02:40:07,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15478 states. [2020-10-14 02:40:07,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15478 to 15262. [2020-10-14 02:40:07,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15262 states. [2020-10-14 02:40:07,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15262 states to 15262 states and 17808 transitions. [2020-10-14 02:40:07,603 INFO L78 Accepts]: Start accepts. Automaton has 15262 states and 17808 transitions. Word has length 397 [2020-10-14 02:40:07,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:40:07,603 INFO L479 AbstractCegarLoop]: Abstraction has 15262 states and 17808 transitions. [2020-10-14 02:40:07,603 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:40:07,604 INFO L276 IsEmpty]: Start isEmpty. Operand 15262 states and 17808 transitions. [2020-10-14 02:40:07,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2020-10-14 02:40:07,617 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:40:07,619 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:40:07,619 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 02:40:07,619 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:40:07,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:40:07,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1461713109, now seen corresponding path program 1 times [2020-10-14 02:40:07,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:40:07,620 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1871928556] [2020-10-14 02:40:07,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:40:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:07,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:07,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:08,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:09,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:12,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:12,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 416 [2020-10-14 02:40:12,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:40:12,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4847 [2020-10-14 02:40:12,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:12,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:12,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:12,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 245 [2020-10-14 02:40:12,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-14 02:40:12,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:12,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:40:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:12,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:12,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:12,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:40:12,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:12,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:40:12,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:12,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:12,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:40:12,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:12,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:40:12,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:12,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:40:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:12,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:12,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:12,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 02:40:12,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:12,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 02:40:12,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:12,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:12,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:40:12,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:12,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:40:12,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:12,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 02:40:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:12,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:12,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:12,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 02:40:12,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:12,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 02:40:12,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:12,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:12,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:40:12,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:12,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 02:40:12,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:12,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-14 02:40:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:12,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:12,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:12,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 02:40:12,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:12,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-14 02:40:12,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:12,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:12,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:12,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:40:12,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-14 02:40:12,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:13,104 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 305 proven. 2 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-10-14 02:40:13,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1871928556] [2020-10-14 02:40:13,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:40:13,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:40:13,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680188265] [2020-10-14 02:40:13,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:40:13,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:40:13,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:40:13,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:40:13,106 INFO L87 Difference]: Start difference. First operand 15262 states and 17808 transitions. Second operand 7 states. [2020-10-14 02:40:16,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:40:16,177 INFO L93 Difference]: Finished difference Result 31591 states and 37419 transitions. [2020-10-14 02:40:16,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 02:40:16,179 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 402 [2020-10-14 02:40:16,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:40:16,230 INFO L225 Difference]: With dead ends: 31591 [2020-10-14 02:40:16,230 INFO L226 Difference]: Without dead ends: 16333 [2020-10-14 02:40:16,255 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:40:16,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16333 states. [2020-10-14 02:40:16,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16333 to 15631. [2020-10-14 02:40:16,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15631 states. [2020-10-14 02:40:16,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15631 states to 15631 states and 18235 transitions. [2020-10-14 02:40:16,562 INFO L78 Accepts]: Start accepts. Automaton has 15631 states and 18235 transitions. Word has length 402 [2020-10-14 02:40:16,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:40:16,563 INFO L479 AbstractCegarLoop]: Abstraction has 15631 states and 18235 transitions. [2020-10-14 02:40:16,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:40:16,563 INFO L276 IsEmpty]: Start isEmpty. Operand 15631 states and 18235 transitions. [2020-10-14 02:40:16,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2020-10-14 02:40:16,579 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:40:16,579 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:40:16,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 02:40:16,580 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:40:16,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:40:16,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1426402970, now seen corresponding path program 1 times [2020-10-14 02:40:16,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:40:16,581 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [156558656] [2020-10-14 02:40:16,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:40:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:16,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:16,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:17,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:17,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:18,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:21,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:21,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 433 [2020-10-14 02:40:21,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 02:40:21,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-14 02:40:21,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:21,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:21,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:21,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 248 [2020-10-14 02:40:21,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 02:40:21,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:21,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:40:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:21,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:21,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:21,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:40:21,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:21,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:40:21,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:21,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:21,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:40:21,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:21,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:40:21,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:21,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:40:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:21,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:21,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:21,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 02:40:21,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:21,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 02:40:21,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:21,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:21,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:40:21,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:21,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:40:21,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:21,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 02:40:21,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:21,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:21,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:21,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 02:40:21,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:21,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 02:40:21,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:21,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:21,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:40:21,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:21,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 02:40:21,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:21,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-10-14 02:40:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:22,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:22,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:22,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-14 02:40:22,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:22,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-10-14 02:40:22,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:22,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:22,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:22,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:40:22,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-14 02:40:22,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:40:22,424 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 310 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2020-10-14 02:40:22,425 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [156558656] [2020-10-14 02:40:22,425 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:40:22,425 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:40:22,425 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884670402] [2020-10-14 02:40:22,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:40:22,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:40:22,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:40:22,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:40:22,427 INFO L87 Difference]: Start difference. First operand 15631 states and 18235 transitions. Second operand 7 states. [2020-10-14 02:40:25,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:40:25,135 INFO L93 Difference]: Finished difference Result 31286 states and 36525 transitions. [2020-10-14 02:40:25,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:40:25,137 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 419 [2020-10-14 02:40:25,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:40:25,178 INFO L225 Difference]: With dead ends: 31286 [2020-10-14 02:40:25,179 INFO L226 Difference]: Without dead ends: 15849 [2020-10-14 02:40:25,196 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:40:25,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15849 states. [2020-10-14 02:40:25,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15849 to 15251. [2020-10-14 02:40:25,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15251 states. [2020-10-14 02:40:25,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15251 states to 15251 states and 17798 transitions. [2020-10-14 02:40:25,457 INFO L78 Accepts]: Start accepts. Automaton has 15251 states and 17798 transitions. Word has length 419 [2020-10-14 02:40:25,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:40:25,458 INFO L479 AbstractCegarLoop]: Abstraction has 15251 states and 17798 transitions. [2020-10-14 02:40:25,458 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:40:25,458 INFO L276 IsEmpty]: Start isEmpty. Operand 15251 states and 17798 transitions. [2020-10-14 02:40:25,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2020-10-14 02:40:25,474 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:40:25,474 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:40:25,474 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 02:40:25,474 INFO L427 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:40:25,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:40:25,475 INFO L82 PathProgramCache]: Analyzing trace with hash -630999332, now seen corresponding path program 1 times [2020-10-14 02:40:25,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:40:25,475 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [773693602] [2020-10-14 02:40:25,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:40:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:25,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:25,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:26,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:27,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:27,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:30,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:30,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 441 [2020-10-14 02:40:30,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 02:40:30,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-14 02:40:30,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:30,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:30,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 02:40:30,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 254 [2020-10-14 02:40:30,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 156 [2020-10-14 02:40:30,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:30,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:40:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:30,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:30,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:30,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:40:30,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:30,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:40:30,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:30,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:30,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:40:30,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:30,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:40:30,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:30,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:40:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:30,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:30,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:30,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 02:40:30,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:30,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 02:40:30,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:30,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:30,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:40:30,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:30,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:40:30,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:30,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 02:40:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:30,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:30,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:30,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 02:40:30,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:30,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-14 02:40:30,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:30,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:30,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 02:40:30,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:30,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 02:40:30,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:30,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2020-10-14 02:40:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:30,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:31,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:31,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-14 02:40:31,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:31,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-14 02:40:31,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:31,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:31,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:31,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:40:31,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-14 02:40:31,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:31,327 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 314 proven. 2 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-10-14 02:40:31,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [773693602] [2020-10-14 02:40:31,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:40:31,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 02:40:31,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315655861] [2020-10-14 02:40:31,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 02:40:31,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:40:31,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 02:40:31,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 02:40:31,329 INFO L87 Difference]: Start difference. First operand 15251 states and 17798 transitions. Second operand 8 states. [2020-10-14 02:40:35,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:40:35,152 INFO L93 Difference]: Finished difference Result 31278 states and 36526 transitions. [2020-10-14 02:40:35,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 02:40:35,153 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 427 [2020-10-14 02:40:35,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:40:35,190 INFO L225 Difference]: With dead ends: 31278 [2020-10-14 02:40:35,190 INFO L226 Difference]: Without dead ends: 16221 [2020-10-14 02:40:35,210 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-14 02:40:35,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16221 states. [2020-10-14 02:40:35,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16221 to 15251. [2020-10-14 02:40:35,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15251 states. [2020-10-14 02:40:35,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15251 states to 15251 states and 17748 transitions. [2020-10-14 02:40:35,466 INFO L78 Accepts]: Start accepts. Automaton has 15251 states and 17748 transitions. Word has length 427 [2020-10-14 02:40:35,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:40:35,467 INFO L479 AbstractCegarLoop]: Abstraction has 15251 states and 17748 transitions. [2020-10-14 02:40:35,467 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 02:40:35,467 INFO L276 IsEmpty]: Start isEmpty. Operand 15251 states and 17748 transitions. [2020-10-14 02:40:35,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2020-10-14 02:40:35,486 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:40:35,486 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:40:35,487 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 02:40:35,487 INFO L427 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:40:35,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:40:35,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1491724529, now seen corresponding path program 1 times [2020-10-14 02:40:35,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:40:35,487 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1595669669] [2020-10-14 02:40:35,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:40:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:35,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:35,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:37,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:37,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 444 [2020-10-14 02:40:37,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:40:37,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1653 [2020-10-14 02:40:37,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:37,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:37,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:37,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 02:40:37,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 02:40:37,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:37,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:40:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:37,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:37,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:37,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:40:37,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:37,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:40:37,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:37,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:37,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:40:37,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:37,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:40:37,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:37,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:40:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:37,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:37,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:37,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 02:40:37,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:37,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-14 02:40:37,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:37,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:37,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:40:37,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:37,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 02:40:37,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:37,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 02:40:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:37,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:37,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:37,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 02:40:37,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:37,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-10-14 02:40:37,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:37,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:37,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:37,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:40:37,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-14 02:40:37,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:37,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-14 02:40:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:37,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:37,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:37,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-14 02:40:37,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:37,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 02:40:37,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:37,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:37,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:40:37,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-10-14 02:40:37,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:40:37,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:40:37,895 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 178 proven. 101 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2020-10-14 02:40:37,895 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1595669669] [2020-10-14 02:40:37,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:40:37,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:40:37,896 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067987348] [2020-10-14 02:40:37,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:40:37,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:40:37,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:40:37,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:40:37,897 INFO L87 Difference]: Start difference. First operand 15251 states and 17748 transitions. Second operand 7 states. [2020-10-14 02:40:41,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:40:41,119 INFO L93 Difference]: Finished difference Result 30392 states and 35715 transitions. [2020-10-14 02:40:41,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 02:40:41,122 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 430 [2020-10-14 02:40:41,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:40:41,150 INFO L225 Difference]: With dead ends: 30392 [2020-10-14 02:40:41,150 INFO L226 Difference]: Without dead ends: 15335 [2020-10-14 02:40:41,165 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:40:41,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15335 states. [2020-10-14 02:40:41,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15335 to 14101. [2020-10-14 02:40:41,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14101 states. [2020-10-14 02:40:41,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14101 states to 14101 states and 16369 transitions. [2020-10-14 02:40:41,413 INFO L78 Accepts]: Start accepts. Automaton has 14101 states and 16369 transitions. Word has length 430 [2020-10-14 02:40:41,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:40:41,414 INFO L479 AbstractCegarLoop]: Abstraction has 14101 states and 16369 transitions. [2020-10-14 02:40:41,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:40:41,414 INFO L276 IsEmpty]: Start isEmpty. Operand 14101 states and 16369 transitions. [2020-10-14 02:40:41,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2020-10-14 02:40:41,429 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:40:41,430 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 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, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 02:40:41,430 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 02:40:41,430 INFO L427 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:40:41,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:40:41,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1619430748, now seen corresponding path program 1 times [2020-10-14 02:40:41,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:40:41,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [182122130] [2020-10-14 02:40:41,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:40:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:41,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:41,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:42,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:43,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:43,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 524 [2020-10-14 02:40:43,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:40:43,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1720 [2020-10-14 02:40:43,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:43,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:43,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:43,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 338 [2020-10-14 02:40:43,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-14 02:40:43,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:43,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:40:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:43,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:43,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:43,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:40:43,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:43,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:40:43,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:43,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:43,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:40:43,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:43,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:40:43,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:43,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:40:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:43,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:43,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:43,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-14 02:40:43,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:43,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 02:40:43,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:43,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:43,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:40:43,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:43,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:40:43,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:43,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-14 02:40:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:43,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:43,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:43,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-14 02:40:43,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:43,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-14 02:40:43,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:43,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:43,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:40:43,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:43,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-14 02:40:43,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:43,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2020-10-14 02:40:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:43,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:43,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:43,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-14 02:40:43,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:43,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-10-14 02:40:43,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:43,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:43,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:43,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:40:43,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-14 02:40:43,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:43,963 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 378 proven. 2 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2020-10-14 02:40:43,963 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [182122130] [2020-10-14 02:40:43,964 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:40:43,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:40:43,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976846577] [2020-10-14 02:40:43,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:40:43,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:40:43,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:40:43,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:40:43,966 INFO L87 Difference]: Start difference. First operand 14101 states and 16369 transitions. Second operand 7 states. [2020-10-14 02:40:47,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:40:47,050 INFO L93 Difference]: Finished difference Result 28408 states and 32946 transitions. [2020-10-14 02:40:47,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 02:40:47,051 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 510 [2020-10-14 02:40:47,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:40:47,082 INFO L225 Difference]: With dead ends: 28408 [2020-10-14 02:40:47,082 INFO L226 Difference]: Without dead ends: 14501 [2020-10-14 02:40:47,099 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:40:47,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14501 states. [2020-10-14 02:40:47,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14501 to 14093. [2020-10-14 02:40:47,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14093 states. [2020-10-14 02:40:47,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14093 states to 14093 states and 16081 transitions. [2020-10-14 02:40:47,298 INFO L78 Accepts]: Start accepts. Automaton has 14093 states and 16081 transitions. Word has length 510 [2020-10-14 02:40:47,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:40:47,299 INFO L479 AbstractCegarLoop]: Abstraction has 14093 states and 16081 transitions. [2020-10-14 02:40:47,299 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:40:47,299 INFO L276 IsEmpty]: Start isEmpty. Operand 14093 states and 16081 transitions. [2020-10-14 02:40:47,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 519 [2020-10-14 02:40:47,314 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:40:47,314 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 02:40:47,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 02:40:47,314 INFO L427 AbstractCegarLoop]: === Iteration 24 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:40:47,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:40:47,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1747549908, now seen corresponding path program 1 times [2020-10-14 02:40:47,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:40:47,315 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [320226593] [2020-10-14 02:40:47,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:40:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:47,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:47,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:48,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:48,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:52,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:52,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 534 [2020-10-14 02:40:52,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:40:52,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-14 02:40:52,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:52,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:52,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:52,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 502 [2020-10-14 02:40:52,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 02:40:52,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:52,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:40:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:52,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:52,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:52,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:40:52,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:52,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:40:52,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:52,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:52,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:40:52,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:52,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:40:52,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:52,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:40:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:52,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:52,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:52,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 02:40:52,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:52,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 02:40:52,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:52,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:52,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:40:52,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:52,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:40:52,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:52,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 02:40:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:52,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:52,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:52,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 02:40:52,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:52,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 02:40:52,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:52,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:52,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:40:52,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:52,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:40:52,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:52,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-14 02:40:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:52,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:52,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:52,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 02:40:52,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:52,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 02:40:52,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:52,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:52,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:40:52,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:52,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:40:52,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:52,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-10-14 02:40:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:52,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:52,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:52,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 02:40:52,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:52,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-14 02:40:52,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:52,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:52,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:40:52,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:52,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-14 02:40:52,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:52,950 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 105 proven. 4 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2020-10-14 02:40:52,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [320226593] [2020-10-14 02:40:52,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:40:52,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:40:52,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077464537] [2020-10-14 02:40:52,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:40:52,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:40:52,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:40:52,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:40:52,953 INFO L87 Difference]: Start difference. First operand 14093 states and 16081 transitions. Second operand 5 states. [2020-10-14 02:40:55,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:40:55,644 INFO L93 Difference]: Finished difference Result 29917 states and 34317 transitions. [2020-10-14 02:40:55,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:40:55,645 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 518 [2020-10-14 02:40:55,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:40:55,678 INFO L225 Difference]: With dead ends: 29917 [2020-10-14 02:40:55,679 INFO L226 Difference]: Without dead ends: 15636 [2020-10-14 02:40:55,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:40:55,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15636 states. [2020-10-14 02:40:55,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15636 to 14665. [2020-10-14 02:40:55,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14665 states. [2020-10-14 02:40:55,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14665 states to 14665 states and 16456 transitions. [2020-10-14 02:40:55,908 INFO L78 Accepts]: Start accepts. Automaton has 14665 states and 16456 transitions. Word has length 518 [2020-10-14 02:40:55,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:40:55,909 INFO L479 AbstractCegarLoop]: Abstraction has 14665 states and 16456 transitions. [2020-10-14 02:40:55,909 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:40:55,909 INFO L276 IsEmpty]: Start isEmpty. Operand 14665 states and 16456 transitions. [2020-10-14 02:40:55,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2020-10-14 02:40:55,924 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:40:55,925 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:40:55,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 02:40:55,925 INFO L427 AbstractCegarLoop]: === Iteration 25 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:40:55,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:40:55,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1301254633, now seen corresponding path program 1 times [2020-10-14 02:40:55,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:40:55,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [327031728] [2020-10-14 02:40:55,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:40:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:56,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:56,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:56,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:57,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:59,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:59,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 547 [2020-10-14 02:40:59,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:40:59,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3514 [2020-10-14 02:40:59,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:59,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:59,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:59,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 281 [2020-10-14 02:40:59,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 02:40:59,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:59,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:40:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:59,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:59,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:59,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:40:59,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:59,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:40:59,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:59,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:59,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:40:59,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:59,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:40:59,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:59,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:40:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:59,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:59,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:59,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 02:40:59,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:59,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 02:40:59,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:59,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:59,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:40:59,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:59,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:40:59,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:59,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 02:40:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:59,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:59,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:59,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-14 02:40:59,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:59,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 02:40:59,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:59,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:59,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:40:59,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:59,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 02:40:59,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:59,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-10-14 02:40:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:59,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:59,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:59,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-14 02:40:59,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:59,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 02:40:59,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:59,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:59,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:59,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:40:59,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 02:40:59,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:59,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-10-14 02:40:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:59,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:00,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:00,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-14 02:41:00,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:00,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 02:41:00,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:00,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:00,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:41:00,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-10-14 02:41:00,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:41:00,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:41:00,184 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 263 proven. 77 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2020-10-14 02:41:00,184 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [327031728] [2020-10-14 02:41:00,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:41:00,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:41:00,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542758301] [2020-10-14 02:41:00,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:41:00,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:41:00,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:41:00,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:41:00,186 INFO L87 Difference]: Start difference. First operand 14665 states and 16456 transitions. Second operand 7 states. [2020-10-14 02:41:03,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:41:03,452 INFO L93 Difference]: Finished difference Result 29208 states and 32758 transitions. [2020-10-14 02:41:03,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 02:41:03,453 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 531 [2020-10-14 02:41:03,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:41:03,474 INFO L225 Difference]: With dead ends: 29208 [2020-10-14 02:41:03,475 INFO L226 Difference]: Without dead ends: 14541 [2020-10-14 02:41:03,482 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:41:03,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14541 states. [2020-10-14 02:41:03,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14541 to 13927. [2020-10-14 02:41:03,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13927 states. [2020-10-14 02:41:03,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13927 states to 13927 states and 15414 transitions. [2020-10-14 02:41:03,670 INFO L78 Accepts]: Start accepts. Automaton has 13927 states and 15414 transitions. Word has length 531 [2020-10-14 02:41:03,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:41:03,671 INFO L479 AbstractCegarLoop]: Abstraction has 13927 states and 15414 transitions. [2020-10-14 02:41:03,672 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:41:03,672 INFO L276 IsEmpty]: Start isEmpty. Operand 13927 states and 15414 transitions. [2020-10-14 02:41:03,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2020-10-14 02:41:03,692 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:41:03,692 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:41:03,693 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-14 02:41:03,693 INFO L427 AbstractCegarLoop]: === Iteration 26 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:41:03,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:41:03,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1462329100, now seen corresponding path program 1 times [2020-10-14 02:41:03,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:41:03,694 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [313903602] [2020-10-14 02:41:03,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:41:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:03,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:03,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:04,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:06,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:06,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:07,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:08,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:08,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 658 [2020-10-14 02:41:08,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 02:41:08,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-10-14 02:41:08,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:08,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:08,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:41:08,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 361 [2020-10-14 02:41:08,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:41:08,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:41:08,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:41:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:08,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:08,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:08,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:41:08,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:08,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:41:08,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:08,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:08,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:41:08,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:08,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:41:08,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:41:08,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:41:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:08,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:08,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:08,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 02:41:08,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:08,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 02:41:08,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:08,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:08,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:41:08,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:08,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:41:08,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:41:09,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 02:41:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:09,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:09,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:09,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 02:41:09,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:09,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 02:41:09,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:09,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:09,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:41:09,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:09,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:41:09,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:41:09,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-14 02:41:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:09,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:09,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:09,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 02:41:09,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:09,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 02:41:09,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:09,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:09,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:41:09,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-10-14 02:41:09,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:41:09,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:41:09,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-10-14 02:41:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:09,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:09,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:09,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-14 02:41:09,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:09,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 02:41:09,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:09,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:09,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:41:09,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-14 02:41:09,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:41:09,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:41:09,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2020-10-14 02:41:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:09,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:09,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:09,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-14 02:41:09,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:09,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 02:41:09,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:09,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:09,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:41:09,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-10-14 02:41:09,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:41:09,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:41:09,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 147 proven. 4 refuted. 0 times theorem prover too weak. 1026 trivial. 0 not checked. [2020-10-14 02:41:09,539 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [313903602] [2020-10-14 02:41:09,539 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:41:09,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:41:09,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012780732] [2020-10-14 02:41:09,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:41:09,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:41:09,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:41:09,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:41:09,541 INFO L87 Difference]: Start difference. First operand 13927 states and 15414 transitions. Second operand 5 states. [2020-10-14 02:41:12,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:41:12,026 INFO L93 Difference]: Finished difference Result 26884 states and 29691 transitions. [2020-10-14 02:41:12,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:41:12,034 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 640 [2020-10-14 02:41:12,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:41:12,059 INFO L225 Difference]: With dead ends: 26884 [2020-10-14 02:41:12,060 INFO L226 Difference]: Without dead ends: 12385 [2020-10-14 02:41:12,075 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:41:12,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12385 states. [2020-10-14 02:41:12,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12385 to 12361. [2020-10-14 02:41:12,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12361 states. [2020-10-14 02:41:12,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12361 states to 12361 states and 13451 transitions. [2020-10-14 02:41:12,205 INFO L78 Accepts]: Start accepts. Automaton has 12361 states and 13451 transitions. Word has length 640 [2020-10-14 02:41:12,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:41:12,205 INFO L479 AbstractCegarLoop]: Abstraction has 12361 states and 13451 transitions. [2020-10-14 02:41:12,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:41:12,205 INFO L276 IsEmpty]: Start isEmpty. Operand 12361 states and 13451 transitions. [2020-10-14 02:41:12,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 749 [2020-10-14 02:41:12,221 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:41:12,221 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:41:12,222 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-14 02:41:12,222 INFO L427 AbstractCegarLoop]: === Iteration 27 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:41:12,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:41:12,222 INFO L82 PathProgramCache]: Analyzing trace with hash 569935772, now seen corresponding path program 1 times [2020-10-14 02:41:12,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:41:12,223 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [489634716] [2020-10-14 02:41:12,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:41:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:12,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:12,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:13,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:13,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:17,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:17,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 766 [2020-10-14 02:41:17,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:41:17,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-14 02:41:17,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:17,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:17,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:41:17,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 409 [2020-10-14 02:41:17,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-14 02:41:17,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:41:17,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:41:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:17,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:17,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:17,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:41:17,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:17,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:41:17,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:17,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:17,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:41:17,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:17,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:41:17,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:41:17,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:41:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:17,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:17,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:17,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 02:41:17,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:17,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 02:41:17,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:17,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:17,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:41:17,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:17,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:41:17,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:41:17,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 02:41:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:17,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:17,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:17,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 02:41:17,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:17,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 02:41:17,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:17,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:17,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:41:17,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:17,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:41:17,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:41:17,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-14 02:41:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:17,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:17,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:17,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-14 02:41:17,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:17,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-14 02:41:17,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:17,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:17,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:41:17,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:17,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-14 02:41:17,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:41:17,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-10-14 02:41:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:17,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:17,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:17,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-14 02:41:17,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:17,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-14 02:41:17,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:17,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:17,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:41:17,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:41:17,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-14 02:41:17,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:41:17,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2020-10-14 02:41:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:17,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:18,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:18,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-14 02:41:18,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:18,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 02:41:18,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:18,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:18,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:41:18,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-10-14 02:41:18,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:41:18,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:41:18,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1351 backedges. 526 proven. 151 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2020-10-14 02:41:18,299 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [489634716] [2020-10-14 02:41:18,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:41:18,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:41:18,300 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722236303] [2020-10-14 02:41:18,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:41:18,301 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:41:18,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:41:18,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:41:18,301 INFO L87 Difference]: Start difference. First operand 12361 states and 13451 transitions. Second operand 7 states. [2020-10-14 02:41:20,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:41:20,923 INFO L93 Difference]: Finished difference Result 25898 states and 28246 transitions. [2020-10-14 02:41:20,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 02:41:20,925 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 748 [2020-10-14 02:41:20,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:41:20,947 INFO L225 Difference]: With dead ends: 25898 [2020-10-14 02:41:20,947 INFO L226 Difference]: Without dead ends: 13733 [2020-10-14 02:41:20,960 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 02:41:20,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13733 states. [2020-10-14 02:41:21,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13733 to 13505. [2020-10-14 02:41:21,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13505 states. [2020-10-14 02:41:21,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13505 states to 13505 states and 14676 transitions. [2020-10-14 02:41:21,099 INFO L78 Accepts]: Start accepts. Automaton has 13505 states and 14676 transitions. Word has length 748 [2020-10-14 02:41:21,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:41:21,100 INFO L479 AbstractCegarLoop]: Abstraction has 13505 states and 14676 transitions. [2020-10-14 02:41:21,100 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:41:21,100 INFO L276 IsEmpty]: Start isEmpty. Operand 13505 states and 14676 transitions. [2020-10-14 02:41:21,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 804 [2020-10-14 02:41:21,119 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:41:21,120 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:41:21,120 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-14 02:41:21,120 INFO L427 AbstractCegarLoop]: === Iteration 28 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:41:21,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:41:21,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1085571484, now seen corresponding path program 1 times [2020-10-14 02:41:21,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:41:21,121 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [205860664] [2020-10-14 02:41:21,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:41:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:21,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:21,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:22,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:26,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:26,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:26,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 823 [2020-10-14 02:41:26,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:41:26,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5121 [2020-10-14 02:41:26,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:26,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:26,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:41:26,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 791 [2020-10-14 02:41:26,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 02:41:26,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:41:26,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:41:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:26,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:26,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:26,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:41:26,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:26,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:41:26,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:26,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:26,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:41:26,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:26,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:41:26,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:41:26,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:41:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:26,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:26,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:26,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 02:41:26,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:26,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 02:41:26,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:26,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:26,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:41:26,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:26,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:41:26,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:41:26,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 02:41:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:26,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:26,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:26,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 02:41:26,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:26,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 02:41:26,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:26,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:26,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:41:26,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:26,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:41:26,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:41:26,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-14 02:41:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:26,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:26,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:26,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 02:41:26,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:26,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 02:41:26,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:26,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:26,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:41:26,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:26,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:41:26,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:41:26,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-10-14 02:41:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:26,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:26,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:26,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 02:41:26,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:26,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 02:41:26,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:26,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:26,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:41:26,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:26,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:41:26,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:41:26,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-10-14 02:41:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:26,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:26,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:26,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-14 02:41:26,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:26,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 02:41:26,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:26,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:26,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:41:26,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:26,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:41:26,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:41:26,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2020-10-14 02:41:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:26,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:26,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:26,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-14 02:41:26,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:26,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-14 02:41:26,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:26,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:26,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:41:26,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:26,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-14 02:41:26,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:41:27,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1780 backedges. 159 proven. 6 refuted. 0 times theorem prover too weak. 1615 trivial. 0 not checked. [2020-10-14 02:41:27,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [205860664] [2020-10-14 02:41:27,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:41:27,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:41:27,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696495811] [2020-10-14 02:41:27,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:41:27,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:41:27,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:41:27,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:41:27,257 INFO L87 Difference]: Start difference. First operand 13505 states and 14676 transitions. Second operand 5 states. [2020-10-14 02:41:29,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:41:29,498 INFO L93 Difference]: Finished difference Result 26253 states and 28522 transitions. [2020-10-14 02:41:29,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:41:29,499 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 803 [2020-10-14 02:41:29,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:41:29,501 INFO L225 Difference]: With dead ends: 26253 [2020-10-14 02:41:29,501 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 02:41:29,526 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:41:29,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 02:41:29,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 02:41:29,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 02:41:29,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 02:41:29,528 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 803 [2020-10-14 02:41:29,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:41:29,528 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 02:41:29,528 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:41:29,528 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 02:41:29,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 02:41:29,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-14 02:41:29,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 02:41:31,878 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 295 [2020-10-14 02:41:32,475 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 295 [2020-10-14 02:41:32,632 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 30 [2020-10-14 02:41:37,572 WARN L193 SmtUtils]: Spent 4.91 s on a formula simplification. DAG size of input: 447 DAG size of output: 119 [2020-10-14 02:41:39,793 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 236 DAG size of output: 80 [2020-10-14 02:41:42,004 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 236 DAG size of output: 80 [2020-10-14 02:41:42,009 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 02:41:42,009 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a3~0 |old(~a3~0)|)) [2020-10-14 02:41:42,010 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 02:41:42,010 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-14 02:41:42,010 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-14 02:41:42,010 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-14 02:41:42,011 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,011 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,011 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,011 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,011 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,012 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,012 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,012 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-14 02:41:42,012 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-14 02:41:42,012 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-14 02:41:42,012 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,012 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,012 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,012 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,013 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,013 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,013 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,013 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,013 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,013 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-14 02:41:42,013 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-14 02:41:42,013 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-14 02:41:42,013 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,014 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,014 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,014 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,014 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,014 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,014 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,014 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,014 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,014 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-14 02:41:42,015 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-14 02:41:42,015 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-14 02:41:42,015 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-10-14 02:41:42,015 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-10-14 02:41:42,015 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-10-14 02:41:42,015 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-10-14 02:41:42,015 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,015 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,015 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,016 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,016 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,016 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,016 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,016 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,016 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,016 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,016 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-14 02:41:42,016 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-14 02:41:42,016 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-14 02:41:42,017 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,017 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,017 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,017 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,017 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,017 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-14 02:41:42,017 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-14 02:41:42,017 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-14 02:41:42,017 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,017 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,018 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,018 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,018 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,018 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-10-14 02:41:42,018 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-10-14 02:41:42,018 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,018 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,018 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,018 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,018 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,019 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,019 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-10-14 02:41:42,019 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-10-14 02:41:42,019 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,019 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,019 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-14 02:41:42,019 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-14 02:41:42,019 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-14 02:41:42,019 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,019 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,020 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,020 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,020 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,020 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,020 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,020 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-14 02:41:42,020 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-14 02:41:42,020 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-14 02:41:42,020 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-10-14 02:41:42,020 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-10-14 02:41:42,021 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-10-14 02:41:42,021 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-10-14 02:41:42,021 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,021 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,021 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-10-14 02:41:42,021 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-10-14 02:41:42,021 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,021 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,021 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,021 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,022 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse18 (= ~a23~0 |old(~a23~0)|)) (.cse19 (= ~a29~0 |old(~a29~0)|)) (.cse20 (= ~a4~0 |old(~a4~0)|))) (let ((.cse5 (not (<= |old(~a25~0)| 9))) (.cse7 (not (<= 247 |old(~a29~0)|))) (.cse11 (and .cse18 .cse19 (= ~a25~0 12) .cse20)) (.cse12 (not (= 12 |old(~a25~0)|))) (.cse9 (not (<= |old(~a29~0)| 130))) (.cse16 (not (= 10 |old(~a25~0)|))) (.cse14 (not (< 0 (+ |old(~a23~0)| 43)))) (.cse1 (not (<= 13 |old(~a25~0)|))) (.cse15 (not (<= |old(~a29~0)| 140))) (.cse6 (not (<= |old(~a23~0)| 137))) (.cse13 (not (= 11 |old(~a25~0)|))) (.cse8 (not (<= |old(~a4~0)| 0))) (.cse0 (not (= |old(~a4~0)| 1))) (.cse17 (not (<= ~a8~0 15))) (.cse2 (not (= ~a8~0 15))) (.cse3 (and (= ~a25~0 |old(~a25~0)|) .cse18 .cse19 .cse20)) (.cse4 (not (= ~a3~0 1))) (.cse10 (not (<= |old(~a23~0)| 138)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse7 .cse3 .cse4 .cse8) (or .cse5 .cse2 .cse3 .cse9 .cse4 .cse8 .cse10) (or .cse11 .cse2 .cse12 (not (<= |old(~a29~0)| 245)) (not (<= 141 |old(~a29~0)|)) .cse4 .cse8) (or .cse0 .cse2 .cse3 .cse13 .cse4) (or .cse14 .cse15 .cse2 .cse6 .cse3 .cse4 .cse8) (or .cse0 (not (<= 6353 |old(~a23~0)|)) .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse16 .cse3 .cse4) (or .cse2 .cse3 .cse13 .cse9 .cse4 .cse8 .cse10) (or .cse0 (not (<= 12 |old(~a25~0)|)) .cse17 .cse6 .cse3 (not (<= |old(~a29~0)| 220))) (or .cse11 .cse2 .cse12 .cse6 .cse4 .cse8) (or .cse0 .cse2 .cse3 (not (<= 246 |old(~a29~0)|)) .cse4) (or .cse0 .cse11 .cse2 .cse12 .cse4) (or .cse2 .cse3 .cse7 .cse13 .cse4 .cse8 .cse10) (or .cse11 (not (<= |old(~a29~0)| 274)) .cse2 .cse12 (not (<= 245 |old(~a29~0)|)) .cse8 .cse4) (or .cse0 .cse15 .cse2 .cse3 .cse4) (or .cse2 .cse16 .cse3 .cse9 .cse8 .cse4) (or .cse2 .cse12 .cse3 .cse9 .cse4 .cse8) (or .cse0 .cse17 .cse16 .cse3 .cse10) (or .cse14 .cse1 .cse2 .cse6 .cse3 .cse4 .cse8) (or .cse15 .cse2 .cse6 .cse3 .cse13 .cse4 .cse8) (or .cse0 .cse17 .cse2 .cse3 .cse4 .cse10)))) [2020-10-14 02:41:42,022 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,022 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-14 02:41:42,023 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-14 02:41:42,023 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-14 02:41:42,023 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,023 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,023 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,023 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,023 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,023 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,023 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-14 02:41:42,023 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-14 02:41:42,023 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-14 02:41:42,023 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,023 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,024 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,024 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,024 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,024 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,024 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,024 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,024 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-14 02:41:42,024 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-14 02:41:42,024 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-14 02:41:42,024 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,024 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,024 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,024 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,024 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,024 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,025 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,025 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,025 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,025 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,025 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,025 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-10-14 02:41:42,025 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-10-14 02:41:42,025 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-14 02:41:42,025 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-14 02:41:42,025 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-14 02:41:42,026 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,026 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,026 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,026 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,026 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,026 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,026 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,026 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-14 02:41:42,026 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-14 02:41:42,026 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-14 02:41:42,026 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,026 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,027 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,027 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-10-14 02:41:42,027 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-10-14 02:41:42,027 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,027 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,027 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,027 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,027 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,027 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2020-10-14 02:41:42,027 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-14 02:41:42,027 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-14 02:41:42,027 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,027 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,028 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-10-14 02:41:42,028 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-10-14 02:41:42,028 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,028 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,028 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,028 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,028 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,028 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,028 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-14 02:41:42,028 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-14 02:41:42,028 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-10-14 02:41:42,028 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-10-14 02:41:42,028 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,028 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,028 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,028 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,029 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,029 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,029 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,029 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,029 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-14 02:41:42,029 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-14 02:41:42,029 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-10-14 02:41:42,029 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-10-14 02:41:42,029 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-10-14 02:41:42,029 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-10-14 02:41:42,029 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,029 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,029 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,029 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,029 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,029 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,030 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,030 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-14 02:41:42,030 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-14 02:41:42,030 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,030 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,030 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,030 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,030 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,030 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,030 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,030 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-14 02:41:42,031 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-14 02:41:42,031 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,031 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,031 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,031 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,031 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,031 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,031 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,031 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-14 02:41:42,032 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,032 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,032 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,032 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-14 02:41:42,032 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-14 02:41:42,032 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-14 02:41:42,032 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,032 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-10-14 02:41:42,032 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,032 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-10-14 02:41:42,033 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,033 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,033 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,033 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,033 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,033 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,033 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-14 02:41:42,033 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-14 02:41:42,033 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-14 02:41:42,033 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,034 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,034 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,034 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,034 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,034 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,034 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,034 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,034 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,035 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,035 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-14 02:41:42,035 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-14 02:41:42,035 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-14 02:41:42,035 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,035 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-10-14 02:41:42,035 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-10-14 02:41:42,035 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,036 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,036 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,036 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,036 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,036 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,036 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-14 02:41:42,036 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-14 02:41:42,036 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-14 02:41:42,036 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,036 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,037 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,037 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,037 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-10-14 02:41:42,037 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-10-14 02:41:42,037 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,037 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,037 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-10-14 02:41:42,037 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,037 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,038 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:41:42,038 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 02:41:42,038 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 10) (<= ~a29~0 130) (= ~a8~0 15) (= ~a4~0 1) (= ~a3~0 1)) [2020-10-14 02:41:42,038 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 02:41:42,038 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 02:41:42,038 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= |old(~a4~0)| 1)) (not (= ~a8~0 15)) (not (= 10 |old(~a25~0)|)) (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|)) (not (<= |old(~a29~0)| 130)) (not (= ~a3~0 1))) [2020-10-14 02:41:42,038 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-10-14 02:41:42,039 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse9 (< 0 (+ ~a23~0 43))) (.cse7 (<= ~a23~0 137)) (.cse3 (= ~a25~0 11)) (.cse13 (<= 247 ~a29~0)) (.cse11 (<= ~a29~0 140)) (.cse14 (<= ~a29~0 274)) (.cse8 (<= 13 ~a25~0)) (.cse10 (= ~a25~0 12)) (.cse2 (= ~a4~0 1)) (.cse1 (= ~a25~0 10)) (.cse0 (<= ~a23~0 138)) (.cse4 (<= ~a4~0 0)) (.cse12 (<= ~a25~0 9)) (.cse5 (<= 0 (+ |old(~a23~0)| 42))) (.cse6 (<= ~a29~0 130))) (or (not (= ~a8~0 15)) (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse4 .cse5 .cse6) (and .cse7 .cse4 .cse5 .cse8 .cse9) (and .cse4 .cse5 .cse6 .cse10) (and .cse7 .cse4 .cse11 .cse5 .cse9) (not (= ~a3~0 1)) (and .cse3 .cse7 .cse4 .cse11 .cse5) (and .cse5 .cse2 (<= 246 ~a29~0)) (not (= 10 |old(~a25~0)|)) (and .cse7 .cse4 .cse5 .cse10) (and .cse7 .cse4 .cse12 .cse5 .cse13) (not (<= |old(~a29~0)| 130)) (and (<= 6353 ~a23~0) .cse5 .cse2) (and .cse3 .cse5 .cse2) (and .cse4 .cse5 (<= 141 ~a29~0) .cse14 .cse10) (and .cse1 .cse5 .cse2) (and .cse3 .cse0 .cse4 .cse5 .cse13) (and .cse11 .cse5 .cse2) (not (= |old(~a4~0)| 1)) (and .cse0 .cse14 .cse2) (and .cse5 .cse8 .cse2) (and .cse5 .cse10 .cse2) (and .cse4 .cse1 .cse5 .cse6) (and .cse0 .cse4 .cse12 .cse5 .cse6))) [2020-10-14 02:41:42,039 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-10-14 02:41:42,039 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-10-14 02:41:42,039 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse9 (< 0 (+ ~a23~0 43))) (.cse7 (<= ~a23~0 137)) (.cse3 (= ~a25~0 11)) (.cse13 (<= 247 ~a29~0)) (.cse11 (<= ~a29~0 140)) (.cse14 (<= ~a29~0 274)) (.cse8 (<= 13 ~a25~0)) (.cse10 (= ~a25~0 12)) (.cse2 (= ~a4~0 1)) (.cse1 (= ~a25~0 10)) (.cse0 (<= ~a23~0 138)) (.cse4 (<= ~a4~0 0)) (.cse12 (<= ~a25~0 9)) (.cse5 (<= 0 (+ |old(~a23~0)| 42))) (.cse6 (<= ~a29~0 130))) (or (not (= ~a8~0 15)) (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse4 .cse5 .cse6) (and .cse7 .cse4 .cse5 .cse8 .cse9) (and .cse4 .cse5 .cse6 .cse10) (and .cse7 .cse4 .cse11 .cse5 .cse9) (not (= ~a3~0 1)) (and .cse3 .cse7 .cse4 .cse11 .cse5) (and .cse5 .cse2 (<= 246 ~a29~0)) (not (= 10 |old(~a25~0)|)) (and .cse7 .cse4 .cse5 .cse10) (and .cse7 .cse4 .cse12 .cse5 .cse13) (not (<= |old(~a29~0)| 130)) (and (<= 6353 ~a23~0) .cse5 .cse2) (and .cse3 .cse5 .cse2) (and .cse4 .cse5 (<= 141 ~a29~0) .cse14 .cse10) (and .cse1 .cse5 .cse2) (and .cse3 .cse0 .cse4 .cse5 .cse13) (and .cse11 .cse5 .cse2) (not (= |old(~a4~0)| 1)) (and .cse0 .cse14 .cse2) (and .cse5 .cse8 .cse2) (and .cse5 .cse10 .cse2) (and .cse4 .cse1 .cse5 .cse6) (and .cse0 .cse4 .cse12 .cse5 .cse6))) [2020-10-14 02:41:42,039 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-10-14 02:41:42,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 02:41:42 BoogieIcfgContainer [2020-10-14 02:41:42,069 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 02:41:42,071 INFO L168 Benchmark]: Toolchain (without parser) took 184636.39 ms. Allocated memory was 146.3 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 99.4 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2020-10-14 02:41:42,071 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-14 02:41:42,072 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1255.77 ms. Allocated memory was 146.3 MB in the beginning and 210.8 MB in the end (delta: 64.5 MB). Free memory was 99.4 MB in the beginning and 165.2 MB in the end (delta: -65.9 MB). Peak memory consumption was 46.6 MB. Max. memory is 7.1 GB. [2020-10-14 02:41:42,072 INFO L168 Benchmark]: Boogie Preprocessor took 192.97 ms. Allocated memory is still 210.8 MB. Free memory was 165.2 MB in the beginning and 157.6 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. [2020-10-14 02:41:42,073 INFO L168 Benchmark]: RCFGBuilder took 1901.87 ms. Allocated memory was 210.8 MB in the beginning and 242.7 MB in the end (delta: 32.0 MB). Free memory was 157.6 MB in the beginning and 104.3 MB in the end (delta: 53.3 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2020-10-14 02:41:42,073 INFO L168 Benchmark]: TraceAbstraction took 181280.05 ms. Allocated memory was 242.7 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 102.5 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2020-10-14 02:41:42,076 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1255.77 ms. Allocated memory was 146.3 MB in the beginning and 210.8 MB in the end (delta: 64.5 MB). Free memory was 99.4 MB in the beginning and 165.2 MB in the end (delta: -65.9 MB). Peak memory consumption was 46.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 192.97 ms. Allocated memory is still 210.8 MB. Free memory was 165.2 MB in the beginning and 157.6 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1901.87 ms. Allocated memory was 210.8 MB in the beginning and 242.7 MB in the end (delta: 32.0 MB). Free memory was 157.6 MB in the beginning and 104.3 MB in the end (delta: 53.3 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 181280.05 ms. Allocated memory was 242.7 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 102.5 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 84]: 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 - InvariantResult [Line: 1034]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((!(a8 == 15) || ((a23 <= 138 && a25 == 10) && a4 == 1)) || ((((a25 == 11 && a23 <= 138) && a4 <= 0) && 0 <= \old(a23) + 42) && a29 <= 130)) || ((((a23 <= 137 && a4 <= 0) && 0 <= \old(a23) + 42) && 13 <= a25) && 0 < a23 + 43)) || (((a4 <= 0 && 0 <= \old(a23) + 42) && a29 <= 130) && a25 == 12)) || ((((a23 <= 137 && a4 <= 0) && a29 <= 140) && 0 <= \old(a23) + 42) && 0 < a23 + 43)) || !(a3 == 1)) || ((((a25 == 11 && a23 <= 137) && a4 <= 0) && a29 <= 140) && 0 <= \old(a23) + 42)) || ((0 <= \old(a23) + 42 && a4 == 1) && 246 <= a29)) || !(10 == \old(a25))) || (((a23 <= 137 && a4 <= 0) && 0 <= \old(a23) + 42) && a25 == 12)) || ((((a23 <= 137 && a4 <= 0) && a25 <= 9) && 0 <= \old(a23) + 42) && 247 <= a29)) || !(\old(a29) <= 130)) || ((6353 <= a23 && 0 <= \old(a23) + 42) && a4 == 1)) || ((a25 == 11 && 0 <= \old(a23) + 42) && a4 == 1)) || ((((a4 <= 0 && 0 <= \old(a23) + 42) && 141 <= a29) && a29 <= 274) && a25 == 12)) || ((a25 == 10 && 0 <= \old(a23) + 42) && a4 == 1)) || ((((a25 == 11 && a23 <= 138) && a4 <= 0) && 0 <= \old(a23) + 42) && 247 <= a29)) || ((a29 <= 140 && 0 <= \old(a23) + 42) && a4 == 1)) || !(\old(a4) == 1)) || ((a23 <= 138 && a29 <= 274) && a4 == 1)) || ((0 <= \old(a23) + 42 && 13 <= a25) && a4 == 1)) || ((0 <= \old(a23) + 42 && a25 == 12) && a4 == 1)) || (((a4 <= 0 && a25 == 10) && 0 <= \old(a23) + 42) && a29 <= 130)) || ((((a23 <= 138 && a4 <= 0) && a25 <= 9) && 0 <= \old(a23) + 42) && a29 <= 130) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 168.6s, OverallIterations: 28, TraceHistogramMax: 7, AutomataDifference: 74.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1202 SDtfs, 17071 SDslu, 1850 SDs, 0 SdLazy, 35068 SolverSat, 4075 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 46.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 463 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15631occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.9s AutomataMinimizationTime, 28 MinimizatonAttempts, 8365 StatesRemovedByMinimization, 27 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 1464 PreInvPairs, 1636 NumberOfFragments, 1481 HoareAnnotationTreeSize, 1464 FomulaSimplifications, 21366700 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 88957 FormulaSimplificationTreeSizeReductionInter, 9.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 83.7s InterpolantComputationTime, 9370 NumberOfCodeBlocks, 9370 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 9342 ConstructedInterpolants, 0 QuantifiedInterpolants, 7573133 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 5 PerfectInterpolantSequences, 9449/9819 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...