/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/Problem14_label55.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 03:21:28,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 03:21:28,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 03:21:28,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 03:21:28,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 03:21:28,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 03:21:28,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 03:21:28,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 03:21:28,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 03:21:28,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 03:21:28,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 03:21:28,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 03:21:28,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 03:21:28,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 03:21:28,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 03:21:28,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 03:21:28,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 03:21:28,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 03:21:28,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 03:21:28,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 03:21:28,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 03:21:28,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 03:21:28,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 03:21:28,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 03:21:28,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 03:21:28,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 03:21:28,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 03:21:28,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 03:21:28,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 03:21:28,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 03:21:28,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 03:21:28,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 03:21:28,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 03:21:28,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 03:21:28,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 03:21:28,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 03:21:28,173 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 03:21:28,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 03:21:28,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 03:21:28,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 03:21:28,175 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 03:21:28,176 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 03:21:28,197 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 03:21:28,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 03:21:28,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 03:21:28,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 03:21:28,199 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 03:21:28,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 03:21:28,199 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 03:21:28,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 03:21:28,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 03:21:28,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 03:21:28,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 03:21:28,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 03:21:28,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 03:21:28,201 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 03:21:28,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 03:21:28,201 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 03:21:28,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 03:21:28,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 03:21:28,201 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 03:21:28,202 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 03:21:28,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 03:21:28,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 03:21:28,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 03:21:28,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 03:21:28,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 03:21:28,203 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 03:21:28,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 03:21:28,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 03:21:28,203 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 03:21:28,204 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 03:21:28,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 03:21:28,508 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 03:21:28,512 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 03:21:28,513 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 03:21:28,514 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 03:21:28,514 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label55.c [2020-10-14 03:21:28,580 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f456ca8d/b1e609cf9f9a42d597eb79365da48a48/FLAG32a9d1aea [2020-10-14 03:21:29,150 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 03:21:29,152 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label55.c [2020-10-14 03:21:29,168 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f456ca8d/b1e609cf9f9a42d597eb79365da48a48/FLAG32a9d1aea [2020-10-14 03:21:29,365 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f456ca8d/b1e609cf9f9a42d597eb79365da48a48 [2020-10-14 03:21:29,376 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 03:21:29,378 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 03:21:29,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 03:21:29,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 03:21:29,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 03:21:29,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:21:29" (1/1) ... [2020-10-14 03:21:29,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@445b6256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:21:29, skipping insertion in model container [2020-10-14 03:21:29,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:21:29" (1/1) ... [2020-10-14 03:21:29,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 03:21:29,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 03:21:30,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:21:30,314 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 03:21:30,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:21:30,519 INFO L208 MainTranslator]: Completed translation [2020-10-14 03:21:30,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:21:30 WrapperNode [2020-10-14 03:21:30,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 03:21:30,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 03:21:30,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 03:21:30,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 03:21:30,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:21:30" (1/1) ... [2020-10-14 03:21:30,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:21:30" (1/1) ... [2020-10-14 03:21:30,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:21:30" (1/1) ... [2020-10-14 03:21:30,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:21:30" (1/1) ... [2020-10-14 03:21:30,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:21:30" (1/1) ... [2020-10-14 03:21:30,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:21:30" (1/1) ... [2020-10-14 03:21:30,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:21:30" (1/1) ... [2020-10-14 03:21:30,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 03:21:30,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 03:21:30,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 03:21:30,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 03:21:30,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:21:30" (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 03:21:30,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 03:21:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 03:21:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 03:21:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 03:21:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 03:21:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 03:21:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 03:21:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 03:21:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 03:21:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 03:21:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 03:21:32,328 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 03:21:32,329 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 03:21:32,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:21:32 BoogieIcfgContainer [2020-10-14 03:21:32,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 03:21:32,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 03:21:32,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 03:21:32,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 03:21:32,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:21:29" (1/3) ... [2020-10-14 03:21:32,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@746ea89a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:21:32, skipping insertion in model container [2020-10-14 03:21:32,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:21:30" (2/3) ... [2020-10-14 03:21:32,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@746ea89a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:21:32, skipping insertion in model container [2020-10-14 03:21:32,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:21:32" (3/3) ... [2020-10-14 03:21:32,346 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label55.c [2020-10-14 03:21:32,360 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 03:21:32,369 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 03:21:32,384 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 03:21:32,411 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 03:21:32,412 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 03:21:32,412 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 03:21:32,412 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 03:21:32,412 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 03:21:32,412 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 03:21:32,413 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 03:21:32,413 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 03:21:32,440 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-14 03:21:32,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-14 03:21:32,450 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:32,451 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:32,452 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:32,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:32,458 INFO L82 PathProgramCache]: Analyzing trace with hash 606791250, now seen corresponding path program 1 times [2020-10-14 03:21:32,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:32,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [315442939] [2020-10-14 03:21:32,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:32,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:32,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:33,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:33,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 03:21:33,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:33,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 404 [2020-10-14 03:21:33,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:33,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:33,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 03:21:33,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 03:21:33,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 03:21:33,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 03:21:33,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:33,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:33,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:33,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:33,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:33,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 03:21:33,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:33,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:33,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:33,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:33,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 03:21:33,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:33,227 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 03:21:33,228 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [315442939] [2020-10-14 03:21:33,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 03:21:33,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 03:21:33,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227915653] [2020-10-14 03:21:33,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 03:21:33,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:33,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 03:21:33,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 03:21:33,258 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2020-10-14 03:21:34,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:34,937 INFO L93 Difference]: Finished difference Result 698 states and 1241 transitions. [2020-10-14 03:21:34,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:21:34,940 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2020-10-14 03:21:34,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:34,959 INFO L225 Difference]: With dead ends: 698 [2020-10-14 03:21:34,960 INFO L226 Difference]: Without dead ends: 380 [2020-10-14 03:21:34,970 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 03:21:34,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-14 03:21:35,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 374. [2020-10-14 03:21:35,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-10-14 03:21:35,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 604 transitions. [2020-10-14 03:21:35,103 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 604 transitions. Word has length 63 [2020-10-14 03:21:35,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:35,104 INFO L479 AbstractCegarLoop]: Abstraction has 374 states and 604 transitions. [2020-10-14 03:21:35,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 03:21:35,104 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 604 transitions. [2020-10-14 03:21:35,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-14 03:21:35,111 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:35,112 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:21:35,112 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 03:21:35,112 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:35,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:35,113 INFO L82 PathProgramCache]: Analyzing trace with hash 142706633, now seen corresponding path program 1 times [2020-10-14 03:21:35,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:35,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1818130642] [2020-10-14 03:21:35,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:35,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:35,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:35,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:36,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:36,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 03:21:36,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:21:36,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1125 [2020-10-14 03:21:36,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:36,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:36,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:36,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 03:21:36,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 03:21:36,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:21:36,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:36,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:36,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:36,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:36,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:36,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:21:36,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:36,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:36,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:36,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:36,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:36,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:36,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:36,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:36,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:36,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 03:21:36,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:36,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-14 03:21:36,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:36,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:36,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:36,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:36,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 03:21:36,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:36,562 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:21:36,563 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1818130642] [2020-10-14 03:21:36,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:36,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:21:36,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343309362] [2020-10-14 03:21:36,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:21:36,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:36,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:21:36,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:21:36,567 INFO L87 Difference]: Start difference. First operand 374 states and 604 transitions. Second operand 5 states. [2020-10-14 03:21:38,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:38,294 INFO L93 Difference]: Finished difference Result 1116 states and 1825 transitions. [2020-10-14 03:21:38,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:21:38,295 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2020-10-14 03:21:38,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:38,302 INFO L225 Difference]: With dead ends: 1116 [2020-10-14 03:21:38,302 INFO L226 Difference]: Without dead ends: 748 [2020-10-14 03:21:38,304 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 03:21:38,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-14 03:21:38,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 560. [2020-10-14 03:21:38,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-14 03:21:38,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 843 transitions. [2020-10-14 03:21:38,337 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 843 transitions. Word has length 132 [2020-10-14 03:21:38,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:38,338 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 843 transitions. [2020-10-14 03:21:38,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:21:38,338 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 843 transitions. [2020-10-14 03:21:38,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-14 03:21:38,342 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:38,342 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:38,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 03:21:38,343 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:38,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:38,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1821849314, now seen corresponding path program 1 times [2020-10-14 03:21:38,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:38,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1841970206] [2020-10-14 03:21:38,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:38,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:38,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:38,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:39,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:39,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:39,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-14 03:21:39,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:21:39,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1127 [2020-10-14 03:21:39,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:39,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:39,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:39,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-14 03:21:39,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 03:21:39,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:39,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:39,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:39,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:39,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:39,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:39,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 03:21:39,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:39,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:39,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:39,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:39,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:39,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:21:39,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:39,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:39,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:39,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 03:21:39,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:39,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-14 03:21:39,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:39,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:39,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:39,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:39,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 03:21:39,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:39,760 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:21:39,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1841970206] [2020-10-14 03:21:39,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:39,761 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:21:39,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787054288] [2020-10-14 03:21:39,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:21:39,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:39,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:21:39,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:21:39,763 INFO L87 Difference]: Start difference. First operand 560 states and 843 transitions. Second operand 5 states. [2020-10-14 03:21:41,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:41,387 INFO L93 Difference]: Finished difference Result 1670 states and 2557 transitions. [2020-10-14 03:21:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:21:41,388 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2020-10-14 03:21:41,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:41,395 INFO L225 Difference]: With dead ends: 1670 [2020-10-14 03:21:41,396 INFO L226 Difference]: Without dead ends: 1116 [2020-10-14 03:21:41,398 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 03:21:41,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-10-14 03:21:41,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 928. [2020-10-14 03:21:41,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 928 states. [2020-10-14 03:21:41,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1319 transitions. [2020-10-14 03:21:41,437 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1319 transitions. Word has length 143 [2020-10-14 03:21:41,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:41,439 INFO L479 AbstractCegarLoop]: Abstraction has 928 states and 1319 transitions. [2020-10-14 03:21:41,439 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:21:41,440 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1319 transitions. [2020-10-14 03:21:41,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-14 03:21:41,450 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:41,453 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:21:41,455 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 03:21:41,456 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:41,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:41,457 INFO L82 PathProgramCache]: Analyzing trace with hash 2081313597, now seen corresponding path program 1 times [2020-10-14 03:21:41,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:41,458 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [719950512] [2020-10-14 03:21:41,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:41,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:41,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:41,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:42,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:43,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:43,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-14 03:21:43,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:21:43,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1613 [2020-10-14 03:21:43,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:43,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:43,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:43,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-14 03:21:43,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 03:21:43,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-14 03:21:43,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:43,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:43,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:43,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:43,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:43,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:21:43,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:43,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:43,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:43,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:43,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:43,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:43,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:43,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:43,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:43,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 03:21:43,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:43,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-14 03:21:43,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:43,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:43,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:43,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:43,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 03:21:43,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:43,412 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:21:43,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [719950512] [2020-10-14 03:21:43,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:43,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:21:43,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102457435] [2020-10-14 03:21:43,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:21:43,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:43,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:21:43,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:21:43,417 INFO L87 Difference]: Start difference. First operand 928 states and 1319 transitions. Second operand 5 states. [2020-10-14 03:21:45,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:45,132 INFO L93 Difference]: Finished difference Result 2406 states and 3541 transitions. [2020-10-14 03:21:45,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:21:45,134 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 174 [2020-10-14 03:21:45,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:45,144 INFO L225 Difference]: With dead ends: 2406 [2020-10-14 03:21:45,144 INFO L226 Difference]: Without dead ends: 1484 [2020-10-14 03:21:45,147 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 03:21:45,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1484 states. [2020-10-14 03:21:45,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1484 to 1480. [2020-10-14 03:21:45,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1480 states. [2020-10-14 03:21:45,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 1480 states and 2112 transitions. [2020-10-14 03:21:45,194 INFO L78 Accepts]: Start accepts. Automaton has 1480 states and 2112 transitions. Word has length 174 [2020-10-14 03:21:45,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:45,195 INFO L479 AbstractCegarLoop]: Abstraction has 1480 states and 2112 transitions. [2020-10-14 03:21:45,195 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:21:45,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 2112 transitions. [2020-10-14 03:21:45,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-14 03:21:45,199 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:45,200 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:21:45,200 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 03:21:45,200 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:45,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:45,201 INFO L82 PathProgramCache]: Analyzing trace with hash 495666865, now seen corresponding path program 1 times [2020-10-14 03:21:45,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:45,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1523445712] [2020-10-14 03:21:45,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:45,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:45,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:46,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:46,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:46,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-14 03:21:46,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:21:46,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1350 [2020-10-14 03:21:46,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:46,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:46,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:46,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-10-14 03:21:46,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 03:21:46,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:46,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:46,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:46,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:46,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:46,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:46,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 03:21:46,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:46,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:46,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:46,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:46,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:46,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:21:46,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:46,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:46,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:46,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-14 03:21:46,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:46,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-14 03:21:46,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:46,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:46,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:46,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:46,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-14 03:21:46,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:47,005 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:21:47,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1523445712] [2020-10-14 03:21:47,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:47,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 03:21:47,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621041902] [2020-10-14 03:21:47,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 03:21:47,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:47,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 03:21:47,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:21:47,010 INFO L87 Difference]: Start difference. First operand 1480 states and 2112 transitions. Second operand 6 states. [2020-10-14 03:21:49,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:49,631 INFO L93 Difference]: Finished difference Result 4430 states and 6419 transitions. [2020-10-14 03:21:49,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 03:21:49,632 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 216 [2020-10-14 03:21:49,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:49,650 INFO L225 Difference]: With dead ends: 4430 [2020-10-14 03:21:49,651 INFO L226 Difference]: Without dead ends: 2956 [2020-10-14 03:21:49,656 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:21:49,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2956 states. [2020-10-14 03:21:49,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2956 to 1674. [2020-10-14 03:21:49,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1674 states. [2020-10-14 03:21:49,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1674 states to 1674 states and 2341 transitions. [2020-10-14 03:21:49,735 INFO L78 Accepts]: Start accepts. Automaton has 1674 states and 2341 transitions. Word has length 216 [2020-10-14 03:21:49,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:49,736 INFO L479 AbstractCegarLoop]: Abstraction has 1674 states and 2341 transitions. [2020-10-14 03:21:49,736 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 03:21:49,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1674 states and 2341 transitions. [2020-10-14 03:21:49,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-10-14 03:21:49,744 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:49,746 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:49,746 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 03:21:49,746 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:49,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:49,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1161967302, now seen corresponding path program 1 times [2020-10-14 03:21:49,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:49,747 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1786861338] [2020-10-14 03:21:49,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:49,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:49,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:49,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:51,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:51,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:54,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:54,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 291 [2020-10-14 03:21:54,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:21:54,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-14 03:21:54,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:54,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:54,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:54,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-14 03:21:54,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 03:21:54,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:54,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:54,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:54,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:54,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:54,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:54,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 03:21:54,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:54,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:54,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:54,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:54,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:54,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:21:54,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:54,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:55,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:55,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 03:21:55,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:55,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-14 03:21:55,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:55,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:55,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:55,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:55,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 03:21:55,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:55,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-14 03:21:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:55,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:55,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:55,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-14 03:21:55,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:55,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-14 03:21:55,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:55,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:55,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:55,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:21:55,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 03:21:55,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:55,566 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 214 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:21:55,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1786861338] [2020-10-14 03:21:55,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:55,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:21:55,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606446283] [2020-10-14 03:21:55,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:21:55,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:55,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:21:55,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:21:55,571 INFO L87 Difference]: Start difference. First operand 1674 states and 2341 transitions. Second operand 8 states. [2020-10-14 03:21:58,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:58,063 INFO L93 Difference]: Finished difference Result 4858 states and 7091 transitions. [2020-10-14 03:21:58,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 03:21:58,064 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 279 [2020-10-14 03:21:58,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:58,085 INFO L225 Difference]: With dead ends: 4858 [2020-10-14 03:21:58,086 INFO L226 Difference]: Without dead ends: 3190 [2020-10-14 03:21:58,091 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-14 03:21:58,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3190 states. [2020-10-14 03:21:58,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3190 to 2240. [2020-10-14 03:21:58,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2240 states. [2020-10-14 03:21:58,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 2240 states and 2938 transitions. [2020-10-14 03:21:58,188 INFO L78 Accepts]: Start accepts. Automaton has 2240 states and 2938 transitions. Word has length 279 [2020-10-14 03:21:58,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:58,189 INFO L479 AbstractCegarLoop]: Abstraction has 2240 states and 2938 transitions. [2020-10-14 03:21:58,189 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:21:58,189 INFO L276 IsEmpty]: Start isEmpty. Operand 2240 states and 2938 transitions. [2020-10-14 03:21:58,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-10-14 03:21:58,196 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:58,196 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:58,197 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 03:21:58,197 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:58,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:58,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1823817087, now seen corresponding path program 1 times [2020-10-14 03:21:58,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:58,198 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1768074558] [2020-10-14 03:21:58,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:58,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:58,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:58,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:01,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:03,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:03,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 292 [2020-10-14 03:22:03,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:22:03,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-14 03:22:03,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:03,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:03,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:03,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 229 [2020-10-14 03:22:03,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 03:22:03,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:03,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:03,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:03,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:03,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:03,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:03,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:22:03,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:03,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:03,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:03,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:03,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:03,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:03,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:03,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:03,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:03,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 03:22:03,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:03,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 03:22:03,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:03,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:03,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:03,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:03,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:03,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:03,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 03:22:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:03,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:03,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:03,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-14 03:22:03,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:03,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-14 03:22:03,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:03,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:03,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:03,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:03,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-14 03:22:03,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 03:22:03,728 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 113 proven. 2 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-10-14 03:22:03,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1768074558] [2020-10-14 03:22:03,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:03,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:22:03,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279341210] [2020-10-14 03:22:03,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:22:03,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:03,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:22:03,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:22:03,733 INFO L87 Difference]: Start difference. First operand 2240 states and 2938 transitions. Second operand 5 states. [2020-10-14 03:22:05,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:05,794 INFO L93 Difference]: Finished difference Result 5040 states and 6655 transitions. [2020-10-14 03:22:05,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:22:05,795 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 280 [2020-10-14 03:22:05,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:05,810 INFO L225 Difference]: With dead ends: 5040 [2020-10-14 03:22:05,810 INFO L226 Difference]: Without dead ends: 2806 [2020-10-14 03:22:05,816 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 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 03:22:05,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2806 states. [2020-10-14 03:22:05,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2806 to 2426. [2020-10-14 03:22:05,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2426 states. [2020-10-14 03:22:05,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2426 states to 2426 states and 3249 transitions. [2020-10-14 03:22:05,943 INFO L78 Accepts]: Start accepts. Automaton has 2426 states and 3249 transitions. Word has length 280 [2020-10-14 03:22:05,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:05,944 INFO L479 AbstractCegarLoop]: Abstraction has 2426 states and 3249 transitions. [2020-10-14 03:22:05,944 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:22:05,944 INFO L276 IsEmpty]: Start isEmpty. Operand 2426 states and 3249 transitions. [2020-10-14 03:22:05,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2020-10-14 03:22:05,955 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:05,955 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:22:05,955 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 03:22:05,955 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:05,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:05,956 INFO L82 PathProgramCache]: Analyzing trace with hash -366566147, now seen corresponding path program 1 times [2020-10-14 03:22:05,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:05,956 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [705082823] [2020-10-14 03:22:05,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:06,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:06,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:07,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:07,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 306 [2020-10-14 03:22:07,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:22:07,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1670 [2020-10-14 03:22:07,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:07,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:07,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:07,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-14 03:22:07,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 03:22:07,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:07,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:07,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:07,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:07,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:07,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:07,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:22:07,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:07,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:07,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:07,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:07,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:07,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:07,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:07,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:07,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:07,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 03:22:07,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:07,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-14 03:22:07,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:07,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:07,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:07,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:07,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 03:22:07,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:07,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 03:22:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:07,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:08,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:08,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:22:08,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:08,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-14 03:22:08,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:08,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:08,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:08,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:08,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 03:22:08,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:08,466 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 221 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:22:08,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [705082823] [2020-10-14 03:22:08,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:08,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:22:08,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929984465] [2020-10-14 03:22:08,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:22:08,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:08,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:22:08,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:22:08,468 INFO L87 Difference]: Start difference. First operand 2426 states and 3249 transitions. Second operand 7 states. [2020-10-14 03:22:10,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:10,611 INFO L93 Difference]: Finished difference Result 5042 states and 6812 transitions. [2020-10-14 03:22:10,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 03:22:10,614 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 294 [2020-10-14 03:22:10,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:10,627 INFO L225 Difference]: With dead ends: 5042 [2020-10-14 03:22:10,627 INFO L226 Difference]: Without dead ends: 2622 [2020-10-14 03:22:10,634 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-14 03:22:10,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2622 states. [2020-10-14 03:22:10,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2622 to 2612. [2020-10-14 03:22:10,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2612 states. [2020-10-14 03:22:10,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2612 states to 2612 states and 3457 transitions. [2020-10-14 03:22:10,712 INFO L78 Accepts]: Start accepts. Automaton has 2612 states and 3457 transitions. Word has length 294 [2020-10-14 03:22:10,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:10,713 INFO L479 AbstractCegarLoop]: Abstraction has 2612 states and 3457 transitions. [2020-10-14 03:22:10,713 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:22:10,713 INFO L276 IsEmpty]: Start isEmpty. Operand 2612 states and 3457 transitions. [2020-10-14 03:22:10,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2020-10-14 03:22:10,721 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:10,722 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:22:10,722 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 03:22:10,722 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:10,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:10,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1776789369, now seen corresponding path program 1 times [2020-10-14 03:22:10,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:10,723 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1961973279] [2020-10-14 03:22:10,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:10,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:10,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:12,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:12,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 324 [2020-10-14 03:22:12,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:22:12,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1869 [2020-10-14 03:22:12,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:12,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:12,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:12,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 03:22:12,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 03:22:12,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:22:12,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:12,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:12,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:12,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:12,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:12,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:12,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 03:22:12,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:12,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:12,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:12,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:12,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:12,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:12,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:12,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:12,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:12,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 03:22:12,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:12,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-14 03:22:12,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:12,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:12,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:12,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:12,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 03:22:12,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:12,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-14 03:22:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:12,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:13,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:13,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:22:13,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:13,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-14 03:22:13,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:13,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:13,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:13,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:13,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 03:22:13,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:13,274 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 228 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:22:13,274 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1961973279] [2020-10-14 03:22:13,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:13,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:22:13,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325531296] [2020-10-14 03:22:13,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:22:13,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:13,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:22:13,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:22:13,277 INFO L87 Difference]: Start difference. First operand 2612 states and 3457 transitions. Second operand 7 states. [2020-10-14 03:22:14,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:14,963 INFO L93 Difference]: Finished difference Result 5422 states and 7168 transitions. [2020-10-14 03:22:14,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:22:14,963 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 312 [2020-10-14 03:22:14,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:14,975 INFO L225 Difference]: With dead ends: 5422 [2020-10-14 03:22:14,975 INFO L226 Difference]: Without dead ends: 2632 [2020-10-14 03:22:14,982 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:22:14,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2632 states. [2020-10-14 03:22:15,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2632 to 2622. [2020-10-14 03:22:15,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2622 states. [2020-10-14 03:22:15,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2622 states to 2622 states and 3353 transitions. [2020-10-14 03:22:15,050 INFO L78 Accepts]: Start accepts. Automaton has 2622 states and 3353 transitions. Word has length 312 [2020-10-14 03:22:15,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:15,051 INFO L479 AbstractCegarLoop]: Abstraction has 2622 states and 3353 transitions. [2020-10-14 03:22:15,051 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:22:15,051 INFO L276 IsEmpty]: Start isEmpty. Operand 2622 states and 3353 transitions. [2020-10-14 03:22:15,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2020-10-14 03:22:15,065 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:15,065 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, 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, 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, 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 03:22:15,066 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 03:22:15,066 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:15,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:15,067 INFO L82 PathProgramCache]: Analyzing trace with hash 582671342, now seen corresponding path program 1 times [2020-10-14 03:22:15,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:15,067 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [315890987] [2020-10-14 03:22:15,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:15,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:15,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:15,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:16,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:19,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:20,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:20,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 491 [2020-10-14 03:22:20,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:22:20,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-14 03:22:20,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:20,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:20,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:20,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-14 03:22:20,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 03:22:20,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:20,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:20,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:20,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:20,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:20,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:20,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:22:20,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:20,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:20,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:20,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:20,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:20,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:20,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:20,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:20,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:20,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 03:22:20,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:20,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 03:22:20,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:20,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:20,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:20,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:20,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 03:22:20,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:20,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 03:22:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:20,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:20,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:20,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 03:22:20,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:20,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-14 03:22:20,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:20,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:20,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:20,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:20,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 03:22:20,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:20,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-14 03:22:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:20,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:20,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:20,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 03:22:20,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:20,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:22:20,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:20,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:20,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:20,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-14 03:22:20,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:20,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:20,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2020-10-14 03:22:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:20,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:20,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:20,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:22:20,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:20,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 03:22:20,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:20,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:20,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:20,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 03:22:20,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:20,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:20,974 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 313 proven. 194 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2020-10-14 03:22:20,974 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [315890987] [2020-10-14 03:22:20,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:20,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:22:20,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932129490] [2020-10-14 03:22:20,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:22:20,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:20,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:22:20,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:22:20,976 INFO L87 Difference]: Start difference. First operand 2622 states and 3353 transitions. Second operand 7 states. [2020-10-14 03:22:23,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:23,061 INFO L93 Difference]: Finished difference Result 6006 states and 7663 transitions. [2020-10-14 03:22:23,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:22:23,064 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 475 [2020-10-14 03:22:23,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:23,077 INFO L225 Difference]: With dead ends: 6006 [2020-10-14 03:22:23,077 INFO L226 Difference]: Without dead ends: 3182 [2020-10-14 03:22:23,085 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 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 03:22:23,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3182 states. [2020-10-14 03:22:23,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3182 to 3170. [2020-10-14 03:22:23,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3170 states. [2020-10-14 03:22:23,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 3170 states and 3573 transitions. [2020-10-14 03:22:23,161 INFO L78 Accepts]: Start accepts. Automaton has 3170 states and 3573 transitions. Word has length 475 [2020-10-14 03:22:23,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:23,161 INFO L479 AbstractCegarLoop]: Abstraction has 3170 states and 3573 transitions. [2020-10-14 03:22:23,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:22:23,162 INFO L276 IsEmpty]: Start isEmpty. Operand 3170 states and 3573 transitions. [2020-10-14 03:22:23,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 605 [2020-10-14 03:22:23,180 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:23,180 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:22:23,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 03:22:23,181 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:23,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:23,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1830051973, now seen corresponding path program 1 times [2020-10-14 03:22:23,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:23,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [207627483] [2020-10-14 03:22:23,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:23,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:23,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:23,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:24,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:28,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:28,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 620 [2020-10-14 03:22:28,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:22:28,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 03:22:28,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:28,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:28,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:28,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 255 [2020-10-14 03:22:28,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:22:28,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:28,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:28,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:28,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:28,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:28,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:28,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:22:28,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:28,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:28,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:28,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:28,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:28,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:28,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:28,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:28,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:28,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:28,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:28,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:22:28,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:28,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:28,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:28,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:28,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:28,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:28,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:22:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:28,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:28,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:28,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 03:22:28,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:28,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-14 03:22:28,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:28,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:28,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:28,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:28,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 03:22:28,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:28,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-14 03:22:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:28,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:28,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:28,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:28,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:28,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-10-14 03:22:28,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:28,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:28,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:28,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:28,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:22:28,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:28,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-10-14 03:22:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:28,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:29,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:29,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:22:29,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:29,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 03:22:29,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:29,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:29,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:29,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 03:22:29,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:29,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:29,353 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 474 proven. 118 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2020-10-14 03:22:29,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [207627483] [2020-10-14 03:22:29,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:29,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:22:29,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193578698] [2020-10-14 03:22:29,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:22:29,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:29,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:22:29,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:22:29,356 INFO L87 Difference]: Start difference. First operand 3170 states and 3573 transitions. Second operand 7 states. [2020-10-14 03:22:30,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:30,973 INFO L93 Difference]: Finished difference Result 6892 states and 7844 transitions. [2020-10-14 03:22:30,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:22:30,973 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 604 [2020-10-14 03:22:30,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:30,989 INFO L225 Difference]: With dead ends: 6892 [2020-10-14 03:22:30,990 INFO L226 Difference]: Without dead ends: 3910 [2020-10-14 03:22:30,998 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:22:31,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3910 states. [2020-10-14 03:22:31,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3910 to 3718. [2020-10-14 03:22:31,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3718 states. [2020-10-14 03:22:31,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3718 states to 3718 states and 4193 transitions. [2020-10-14 03:22:31,081 INFO L78 Accepts]: Start accepts. Automaton has 3718 states and 4193 transitions. Word has length 604 [2020-10-14 03:22:31,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:31,082 INFO L479 AbstractCegarLoop]: Abstraction has 3718 states and 4193 transitions. [2020-10-14 03:22:31,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:22:31,083 INFO L276 IsEmpty]: Start isEmpty. Operand 3718 states and 4193 transitions. [2020-10-14 03:22:31,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 635 [2020-10-14 03:22:31,094 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:31,095 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, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 03:22:31,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 03:22:31,095 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:31,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:31,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1843617503, now seen corresponding path program 1 times [2020-10-14 03:22:31,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:31,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [171568192] [2020-10-14 03:22:31,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:31,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:31,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:31,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:32,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:33,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:34,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:36,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:36,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 652 [2020-10-14 03:22:36,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 03:22:36,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-14 03:22:36,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:36,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:36,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:36,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 03:22:36,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-14 03:22:36,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:36,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:36,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:36,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:36,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:36,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:36,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:22:36,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:36,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:36,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:36,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:36,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:36,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:36,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:36,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:36,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:36,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:36,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:36,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 03:22:36,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:36,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:36,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:36,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:36,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 03:22:36,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:36,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:22:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:36,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:36,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:36,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 03:22:36,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:36,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-14 03:22:36,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:36,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:36,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:36,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:36,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 03:22:36,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:36,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-14 03:22:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:36,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:36,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:36,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 03:22:36,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:36,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 03:22:36,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:36,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:36,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:36,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-10-14 03:22:36,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:36,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:36,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2020-10-14 03:22:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:36,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:36,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:36,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 03:22:36,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:36,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:22:36,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:36,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:36,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:36,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-14 03:22:36,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:36,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:36,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2020-10-14 03:22:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:36,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:36,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:36,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:22:36,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:36,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 03:22:36,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:36,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:36,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:36,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 03:22:36,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:36,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:37,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1294 backedges. 399 proven. 321 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2020-10-14 03:22:37,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [171568192] [2020-10-14 03:22:37,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:37,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:22:37,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358591] [2020-10-14 03:22:37,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:22:37,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:37,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:22:37,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:22:37,216 INFO L87 Difference]: Start difference. First operand 3718 states and 4193 transitions. Second operand 8 states. [2020-10-14 03:22:39,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:39,197 INFO L93 Difference]: Finished difference Result 7252 states and 8202 transitions. [2020-10-14 03:22:39,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:22:39,199 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 634 [2020-10-14 03:22:39,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:39,213 INFO L225 Difference]: With dead ends: 7252 [2020-10-14 03:22:39,214 INFO L226 Difference]: Without dead ends: 3722 [2020-10-14 03:22:39,221 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:22:39,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3722 states. [2020-10-14 03:22:39,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3722 to 3718. [2020-10-14 03:22:39,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3718 states. [2020-10-14 03:22:39,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3718 states to 3718 states and 4189 transitions. [2020-10-14 03:22:39,294 INFO L78 Accepts]: Start accepts. Automaton has 3718 states and 4189 transitions. Word has length 634 [2020-10-14 03:22:39,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:39,295 INFO L479 AbstractCegarLoop]: Abstraction has 3718 states and 4189 transitions. [2020-10-14 03:22:39,295 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:22:39,295 INFO L276 IsEmpty]: Start isEmpty. Operand 3718 states and 4189 transitions. [2020-10-14 03:22:39,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 728 [2020-10-14 03:22:39,307 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:39,308 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, 7, 7, 7, 7, 7, 7, 7, 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, 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, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 03:22:39,308 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 03:22:39,308 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:39,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:39,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1350103438, now seen corresponding path program 1 times [2020-10-14 03:22:39,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:39,309 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1121939110] [2020-10-14 03:22:39,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:39,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:39,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:39,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:40,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:41,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:43,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:44,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:44,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:44,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 747 [2020-10-14 03:22:44,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 03:22:44,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5067 [2020-10-14 03:22:44,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:44,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:44,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:44,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 350 [2020-10-14 03:22:44,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 03:22:44,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:44,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:44,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:44,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:44,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:44,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:44,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:22:44,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:44,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:44,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:44,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:44,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:44,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:44,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:44,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:44,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:44,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:44,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:44,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:22:44,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:44,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:44,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:44,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:44,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:44,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:44,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:22:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:44,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:44,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:44,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:22:44,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:44,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 03:22:44,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:44,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:44,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:44,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:44,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:44,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:44,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:22:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:44,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:44,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:44,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:22:44,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:44,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-14 03:22:44,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:44,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:44,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:44,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:44,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-14 03:22:44,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:44,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:22:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:44,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:44,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:44,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 03:22:44,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:44,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-14 03:22:44,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:44,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:44,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:44,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:44,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 03:22:44,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:44,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2020-10-14 03:22:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:44,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:44,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:44,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 03:22:44,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:44,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:22:44,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:44,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:44,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:44,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-14 03:22:44,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:44,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:44,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2020-10-14 03:22:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:44,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:45,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:45,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:22:45,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:45,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 03:22:45,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:45,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:45,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:45,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 03:22:45,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:45,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:45,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1850 backedges. 697 proven. 194 refuted. 0 times theorem prover too weak. 959 trivial. 0 not checked. [2020-10-14 03:22:45,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1121939110] [2020-10-14 03:22:45,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:45,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:22:45,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912377041] [2020-10-14 03:22:45,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:22:45,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:45,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:22:45,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:22:45,348 INFO L87 Difference]: Start difference. First operand 3718 states and 4189 transitions. Second operand 7 states. [2020-10-14 03:22:46,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:46,864 INFO L93 Difference]: Finished difference Result 7446 states and 8408 transitions. [2020-10-14 03:22:46,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 03:22:46,865 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 727 [2020-10-14 03:22:46,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:46,886 INFO L225 Difference]: With dead ends: 7446 [2020-10-14 03:22:46,886 INFO L226 Difference]: Without dead ends: 3718 [2020-10-14 03:22:46,897 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-14 03:22:46,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3718 states. [2020-10-14 03:22:46,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3718 to 3718. [2020-10-14 03:22:46,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3718 states. [2020-10-14 03:22:46,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3718 states to 3718 states and 4113 transitions. [2020-10-14 03:22:46,965 INFO L78 Accepts]: Start accepts. Automaton has 3718 states and 4113 transitions. Word has length 727 [2020-10-14 03:22:46,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:46,966 INFO L479 AbstractCegarLoop]: Abstraction has 3718 states and 4113 transitions. [2020-10-14 03:22:46,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:22:46,966 INFO L276 IsEmpty]: Start isEmpty. Operand 3718 states and 4113 transitions. [2020-10-14 03:22:47,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 809 [2020-10-14 03:22:47,033 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:47,034 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:22:47,034 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 03:22:47,034 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:47,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:47,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1622933879, now seen corresponding path program 1 times [2020-10-14 03:22:47,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:47,037 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [344958254] [2020-10-14 03:22:47,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:47,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:47,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:47,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:47,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:49,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:50,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:51,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:52,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:52,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 830 [2020-10-14 03:22:52,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 03:22:52,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 03:22:52,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:52,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:52,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:52,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 433 [2020-10-14 03:22:52,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 03:22:52,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:52,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:52,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:52,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:52,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:52,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:52,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:22:52,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:52,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:52,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:52,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:52,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:52,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:52,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:52,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:52,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:52,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:52,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:52,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:22:52,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:52,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:52,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:52,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:52,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:52,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:52,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:22:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:52,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:52,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:52,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:22:52,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:52,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 03:22:52,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:52,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:52,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:52,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:52,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:52,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:52,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:22:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:52,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:52,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:52,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:22:52,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:52,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:22:52,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:52,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:52,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:52,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:52,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:52,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:52,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:22:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:52,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:52,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:52,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:22:52,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:52,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:22:52,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:52,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:52,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:52,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:52,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 03:22:52,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:52,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:22:52,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:52,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:52,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:52,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 03:22:52,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:52,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-14 03:22:52,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:52,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:52,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:52,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:52,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 03:22:52,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:52,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2020-10-14 03:22:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:52,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:52,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:52,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 03:22:52,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:52,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:22:52,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:52,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:52,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:52,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-14 03:22:52,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:52,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:52,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 634 [2020-10-14 03:22:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:52,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:52,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:52,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:22:52,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:52,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 03:22:52,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:52,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:52,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:52,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 03:22:52,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:52,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:53,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2390 backedges. 844 proven. 194 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked. [2020-10-14 03:22:53,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [344958254] [2020-10-14 03:22:53,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:53,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:22:53,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445128188] [2020-10-14 03:22:53,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:22:53,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:53,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:22:53,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:22:53,422 INFO L87 Difference]: Start difference. First operand 3718 states and 4113 transitions. Second operand 8 states. [2020-10-14 03:22:55,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:55,441 INFO L93 Difference]: Finished difference Result 7622 states and 8441 transitions. [2020-10-14 03:22:55,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 03:22:55,441 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 808 [2020-10-14 03:22:55,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:55,453 INFO L225 Difference]: With dead ends: 7622 [2020-10-14 03:22:55,453 INFO L226 Difference]: Without dead ends: 3714 [2020-10-14 03:22:55,461 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-10-14 03:22:55,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3714 states. [2020-10-14 03:22:55,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3714 to 3712. [2020-10-14 03:22:55,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3712 states. [2020-10-14 03:22:55,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3712 states to 3712 states and 4041 transitions. [2020-10-14 03:22:55,533 INFO L78 Accepts]: Start accepts. Automaton has 3712 states and 4041 transitions. Word has length 808 [2020-10-14 03:22:55,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:55,533 INFO L479 AbstractCegarLoop]: Abstraction has 3712 states and 4041 transitions. [2020-10-14 03:22:55,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:22:55,534 INFO L276 IsEmpty]: Start isEmpty. Operand 3712 states and 4041 transitions. [2020-10-14 03:22:55,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 857 [2020-10-14 03:22:55,548 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:55,549 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, 7, 7, 7, 7, 7, 7, 7, 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, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:22:55,549 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 03:22:55,550 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:55,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:55,550 INFO L82 PathProgramCache]: Analyzing trace with hash -748370711, now seen corresponding path program 1 times [2020-10-14 03:22:55,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:55,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [955928252] [2020-10-14 03:22:55,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:55,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:55,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:56,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:57,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:00,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:00,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 876 [2020-10-14 03:23:00,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:23:00,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-14 03:23:00,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:00,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:00,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:00,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 03:23:00,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:23:00,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:00,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:23:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:00,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:00,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:00,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:23:00,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:00,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:23:00,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:00,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:00,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:00,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:00,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:00,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:00,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:23:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:00,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:00,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:00,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:23:00,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:00,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:23:00,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:00,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:00,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:00,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:00,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:00,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:00,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:23:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:00,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:00,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:00,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:23:00,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:00,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:23:00,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:00,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:00,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:00,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:00,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:00,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:00,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:23:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:00,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:00,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:00,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:23:00,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:00,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 03:23:00,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:00,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:00,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:00,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:00,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:00,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:00,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:23:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:01,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:01,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:01,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 03:23:01,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:01,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 03:23:01,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:01,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:01,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:23:01,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:01,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 03:23:01,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:01,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 03:23:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:01,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:01,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:01,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:23:01,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:01,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-14 03:23:01,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:01,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:01,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:01,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:23:01,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:23:01,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:01,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2020-10-14 03:23:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:01,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:01,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:01,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:23:01,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:01,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:23:01,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:01,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:01,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:01,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 03:23:01,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:01,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:01,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2069 backedges. 850 proven. 118 refuted. 0 times theorem prover too weak. 1101 trivial. 0 not checked. [2020-10-14 03:23:01,669 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [955928252] [2020-10-14 03:23:01,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:23:01,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:23:01,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770768527] [2020-10-14 03:23:01,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:23:01,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:23:01,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:23:01,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:23:01,671 INFO L87 Difference]: Start difference. First operand 3712 states and 4041 transitions. Second operand 7 states. [2020-10-14 03:23:02,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:23:02,943 INFO L93 Difference]: Finished difference Result 7978 states and 8744 transitions. [2020-10-14 03:23:02,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:23:02,949 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 856 [2020-10-14 03:23:02,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:23:02,960 INFO L225 Difference]: With dead ends: 7978 [2020-10-14 03:23:02,960 INFO L226 Difference]: Without dead ends: 4270 [2020-10-14 03:23:02,970 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:23:02,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4270 states. [2020-10-14 03:23:03,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4270 to 4082. [2020-10-14 03:23:03,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4082 states. [2020-10-14 03:23:03,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4082 states to 4082 states and 4477 transitions. [2020-10-14 03:23:03,046 INFO L78 Accepts]: Start accepts. Automaton has 4082 states and 4477 transitions. Word has length 856 [2020-10-14 03:23:03,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:23:03,047 INFO L479 AbstractCegarLoop]: Abstraction has 4082 states and 4477 transitions. [2020-10-14 03:23:03,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:23:03,047 INFO L276 IsEmpty]: Start isEmpty. Operand 4082 states and 4477 transitions. [2020-10-14 03:23:03,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 882 [2020-10-14 03:23:03,061 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:23:03,062 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 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, 4, 3, 3, 3, 3, 3, 3, 3, 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 03:23:03,062 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 03:23:03,062 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:23:03,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:23:03,063 INFO L82 PathProgramCache]: Analyzing trace with hash -333063742, now seen corresponding path program 1 times [2020-10-14 03:23:03,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:23:03,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [886942168] [2020-10-14 03:23:03,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:23:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:03,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:03,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:03,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:03,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:03,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:08,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:08,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 905 [2020-10-14 03:23:08,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:23:08,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-14 03:23:08,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:08,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:08,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:08,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 508 [2020-10-14 03:23:08,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 03:23:08,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:08,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:23:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:08,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:08,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:08,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:23:08,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:08,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:23:08,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:08,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:08,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:08,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:08,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:08,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:08,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:23:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:08,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:08,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:08,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:23:08,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:08,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:23:08,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:08,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:08,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:08,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:08,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:08,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:08,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:23:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:08,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:08,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:08,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:23:08,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:08,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 03:23:08,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:08,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:08,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:08,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:08,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:08,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:08,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:23:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:08,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:08,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:08,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:23:08,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:08,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:23:08,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:08,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:08,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:08,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:08,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:08,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:08,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:23:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:08,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:08,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:08,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:23:08,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:08,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:23:08,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:08,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:08,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:08,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:08,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:08,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:08,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:23:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:08,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:08,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:08,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 03:23:08,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:08,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 03:23:08,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:08,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:08,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:23:08,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:08,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 03:23:08,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:08,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2020-10-14 03:23:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:08,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:08,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:08,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 03:23:08,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:08,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-14 03:23:08,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:08,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:08,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:08,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:23:08,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 03:23:08,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:08,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2020-10-14 03:23:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:08,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:08,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:08,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 03:23:08,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:08,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:23:08,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:08,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:08,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:08,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-14 03:23:08,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:08,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:08,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2020-10-14 03:23:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:08,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:08,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:08,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:23:08,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:08,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 03:23:08,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:08,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:08,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:08,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 03:23:08,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:08,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:09,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2957 backedges. 983 proven. 194 refuted. 0 times theorem prover too weak. 1780 trivial. 0 not checked. [2020-10-14 03:23:09,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [886942168] [2020-10-14 03:23:09,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:23:09,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:23:09,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102172937] [2020-10-14 03:23:09,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:23:09,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:23:09,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:23:09,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:23:09,195 INFO L87 Difference]: Start difference. First operand 4082 states and 4477 transitions. Second operand 7 states. [2020-10-14 03:23:10,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:23:10,687 INFO L93 Difference]: Finished difference Result 8164 states and 8957 transitions. [2020-10-14 03:23:10,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 03:23:10,690 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 881 [2020-10-14 03:23:10,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:23:10,702 INFO L225 Difference]: With dead ends: 8164 [2020-10-14 03:23:10,702 INFO L226 Difference]: Without dead ends: 4068 [2020-10-14 03:23:10,710 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-14 03:23:10,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4068 states. [2020-10-14 03:23:10,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4068 to 4064. [2020-10-14 03:23:10,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4064 states. [2020-10-14 03:23:10,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4064 states to 4064 states and 4340 transitions. [2020-10-14 03:23:10,779 INFO L78 Accepts]: Start accepts. Automaton has 4064 states and 4340 transitions. Word has length 881 [2020-10-14 03:23:10,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:23:10,780 INFO L479 AbstractCegarLoop]: Abstraction has 4064 states and 4340 transitions. [2020-10-14 03:23:10,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:23:10,780 INFO L276 IsEmpty]: Start isEmpty. Operand 4064 states and 4340 transitions. [2020-10-14 03:23:10,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 933 [2020-10-14 03:23:10,794 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:23:10,795 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:23:10,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 03:23:10,796 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:23:10,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:23:10,796 INFO L82 PathProgramCache]: Analyzing trace with hash 438430001, now seen corresponding path program 1 times [2020-10-14 03:23:10,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:23:10,797 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1705665134] [2020-10-14 03:23:10,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:23:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:10,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:11,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:12,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:12,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 954 [2020-10-14 03:23:12,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:23:12,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1868 [2020-10-14 03:23:12,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:12,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:12,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:12,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 770 [2020-10-14 03:23:12,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 03:23:12,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:12,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:23:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:12,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:12,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:12,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:23:12,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:12,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:23:12,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:12,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:12,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:12,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:12,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:12,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:12,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:23:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:12,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:12,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:12,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:23:12,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:12,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:23:12,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:12,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:12,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:12,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:12,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:12,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:12,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:23:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:12,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:12,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:12,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:23:12,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:12,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 03:23:12,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:12,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:12,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:12,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:12,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:12,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:13,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:23:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:13,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:13,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:13,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:23:13,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:13,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 03:23:13,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:13,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:13,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:13,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:13,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:13,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:23:13,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:23:13,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:13,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:13,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:13,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 03:23:13,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:13,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:23:13,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:13,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:13,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:13,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:13,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:13,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:13,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 03:23:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:13,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:13,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:13,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:23:13,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:13,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 03:23:13,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:13,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:13,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:13,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:13,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:13,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:13,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-14 03:23:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:13,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:13,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:13,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:23:13,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:13,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-14 03:23:13,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:13,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:13,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:23:13,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:13,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 03:23:13,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:13,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 758 [2020-10-14 03:23:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:13,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:13,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:13,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:23:13,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:13,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-14 03:23:13,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:13,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:13,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:13,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:23:13,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 03:23:13,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:13,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2581 backedges. 1049 proven. 2 refuted. 0 times theorem prover too weak. 1530 trivial. 0 not checked. [2020-10-14 03:23:13,917 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1705665134] [2020-10-14 03:23:13,917 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:23:13,917 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:23:13,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996422963] [2020-10-14 03:23:13,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:23:13,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:23:13,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:23:13,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:23:13,919 INFO L87 Difference]: Start difference. First operand 4064 states and 4340 transitions. Second operand 7 states. [2020-10-14 03:23:15,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:23:15,388 INFO L93 Difference]: Finished difference Result 7948 states and 8497 transitions. [2020-10-14 03:23:15,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:23:15,394 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 932 [2020-10-14 03:23:15,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:23:15,405 INFO L225 Difference]: With dead ends: 7948 [2020-10-14 03:23:15,405 INFO L226 Difference]: Without dead ends: 4072 [2020-10-14 03:23:15,412 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:23:15,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4072 states. [2020-10-14 03:23:15,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4072 to 4062. [2020-10-14 03:23:15,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4062 states. [2020-10-14 03:23:15,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4062 states to 4062 states and 4239 transitions. [2020-10-14 03:23:15,474 INFO L78 Accepts]: Start accepts. Automaton has 4062 states and 4239 transitions. Word has length 932 [2020-10-14 03:23:15,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:23:15,475 INFO L479 AbstractCegarLoop]: Abstraction has 4062 states and 4239 transitions. [2020-10-14 03:23:15,475 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:23:15,475 INFO L276 IsEmpty]: Start isEmpty. Operand 4062 states and 4239 transitions. [2020-10-14 03:23:15,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1111 [2020-10-14 03:23:15,493 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:23:15,495 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 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, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:23:15,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 03:23:15,496 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:23:15,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:23:15,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1827654031, now seen corresponding path program 1 times [2020-10-14 03:23:15,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:23:15,497 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1078991116] [2020-10-14 03:23:15,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:23:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:15,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:16,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:19,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:19,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:19,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1136 [2020-10-14 03:23:19,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:23:19,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4041 [2020-10-14 03:23:19,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:19,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:19,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:19,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 952 [2020-10-14 03:23:19,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 03:23:19,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:19,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:23:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:19,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:19,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:19,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:23:19,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:19,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:23:19,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:19,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:19,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:19,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:19,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:19,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:23:19,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:23:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:19,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:19,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:19,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:23:19,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:19,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:23:19,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:19,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:19,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:19,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:19,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:19,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:19,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:23:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:19,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:19,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:19,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:23:19,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:19,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 03:23:19,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:19,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:19,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:19,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:19,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:19,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:19,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:23:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:19,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:20,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:20,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:23:20,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:20,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:23:20,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:20,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:20,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:20,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:20,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:20,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:20,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:23:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:20,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:20,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:20,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:23:20,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:20,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:23:20,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:20,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:20,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:20,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:20,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:20,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:20,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:23:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:20,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:20,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:20,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:23:20,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:20,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 03:23:20,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:20,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:20,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:20,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:20,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:20,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:20,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:23:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:20,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:20,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:20,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:23:20,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:20,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:23:20,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:20,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:20,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:20,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:20,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:20,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:20,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:23:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:20,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:20,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:20,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:23:20,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:20,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 03:23:20,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:20,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:20,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:20,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:20,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:20,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:20,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:23:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:20,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:20,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:20,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 03:23:20,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:20,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 03:23:20,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:20,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:20,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:23:20,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:20,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 03:23:20,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:20,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 936 [2020-10-14 03:23:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:20,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:20,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:20,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:23:20,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:20,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-14 03:23:20,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:20,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:20,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:20,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:23:20,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 03:23:20,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:21,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3902 backedges. 1325 proven. 2 refuted. 0 times theorem prover too weak. 2575 trivial. 0 not checked. [2020-10-14 03:23:21,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1078991116] [2020-10-14 03:23:21,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:23:21,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:23:21,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948800866] [2020-10-14 03:23:21,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:23:21,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:23:21,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:23:21,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:23:21,089 INFO L87 Difference]: Start difference. First operand 4062 states and 4239 transitions. Second operand 7 states. [2020-10-14 03:23:22,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:23:22,469 INFO L93 Difference]: Finished difference Result 7944 states and 8298 transitions. [2020-10-14 03:23:22,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:23:22,470 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1110 [2020-10-14 03:23:22,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:23:22,488 INFO L225 Difference]: With dead ends: 7944 [2020-10-14 03:23:22,488 INFO L226 Difference]: Without dead ends: 4070 [2020-10-14 03:23:22,495 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:23:22,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4070 states. [2020-10-14 03:23:22,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4070 to 3880. [2020-10-14 03:23:22,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3880 states. [2020-10-14 03:23:22,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3880 states to 3880 states and 4036 transitions. [2020-10-14 03:23:22,555 INFO L78 Accepts]: Start accepts. Automaton has 3880 states and 4036 transitions. Word has length 1110 [2020-10-14 03:23:22,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:23:22,556 INFO L479 AbstractCegarLoop]: Abstraction has 3880 states and 4036 transitions. [2020-10-14 03:23:22,557 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:23:22,557 INFO L276 IsEmpty]: Start isEmpty. Operand 3880 states and 4036 transitions. [2020-10-14 03:23:22,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1159 [2020-10-14 03:23:22,579 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:23:22,580 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 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, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:23:22,581 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 03:23:22,581 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:23:22,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:23:22,581 INFO L82 PathProgramCache]: Analyzing trace with hash -2043956975, now seen corresponding path program 1 times [2020-10-14 03:23:22,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:23:22,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1941129779] [2020-10-14 03:23:22,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:23:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:23,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:23,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:26,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:27,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:27,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1184 [2020-10-14 03:23:27,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:23:27,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5075 [2020-10-14 03:23:27,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:27,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:27,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 03:23:27,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-14 03:23:27,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 311 [2020-10-14 03:23:27,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:23:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:23:28,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:23:28,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:23:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:23:28,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:23:28,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:23:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:23:28,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:23:28,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:23:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:23:28,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:23:28,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:23:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:23:28,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 03:23:28,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:23:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:23:28,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:23:28,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:23:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:23:28,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 03:23:28,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:23:28,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 03:23:28,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:23:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:23:28,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-10-14 03:23:28,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 03:23:28,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:23:28,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:23:28,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:23:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:23:28,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-14 03:23:28,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:28,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:23:28,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 03:23:28,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 984 [2020-10-14 03:23:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:23:28,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 03:23:28,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 03:23:28,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:29,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4139 backedges. 1825 proven. 236 refuted. 0 times theorem prover too weak. 2078 trivial. 0 not checked. [2020-10-14 03:23:29,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1941129779] [2020-10-14 03:23:29,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:23:29,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 03:23:29,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829554512] [2020-10-14 03:23:29,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 03:23:29,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:23:29,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 03:23:29,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 03:23:29,479 INFO L87 Difference]: Start difference. First operand 3880 states and 4036 transitions. Second operand 9 states. [2020-10-14 03:23:31,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:23:31,563 INFO L93 Difference]: Finished difference Result 7952 states and 8284 transitions. [2020-10-14 03:23:31,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 03:23:31,563 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1158 [2020-10-14 03:23:31,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:23:31,574 INFO L225 Difference]: With dead ends: 7952 [2020-10-14 03:23:31,574 INFO L226 Difference]: Without dead ends: 4260 [2020-10-14 03:23:31,580 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2020-10-14 03:23:31,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4260 states. [2020-10-14 03:23:31,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4260 to 4064. [2020-10-14 03:23:31,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4064 states. [2020-10-14 03:23:31,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4064 states to 4064 states and 4222 transitions. [2020-10-14 03:23:31,641 INFO L78 Accepts]: Start accepts. Automaton has 4064 states and 4222 transitions. Word has length 1158 [2020-10-14 03:23:31,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:23:31,643 INFO L479 AbstractCegarLoop]: Abstraction has 4064 states and 4222 transitions. [2020-10-14 03:23:31,643 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 03:23:31,643 INFO L276 IsEmpty]: Start isEmpty. Operand 4064 states and 4222 transitions. [2020-10-14 03:23:31,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1712 [2020-10-14 03:23:31,682 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:23:31,683 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2020-10-14 03:23:31,683 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 03:23:31,684 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:23:31,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:23:31,684 INFO L82 PathProgramCache]: Analyzing trace with hash -2024251614, now seen corresponding path program 1 times [2020-10-14 03:23:31,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:23:31,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2135892210] [2020-10-14 03:23:31,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:23:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:32,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:33,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:35,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:35,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1745 [2020-10-14 03:23:35,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:23:35,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3375 [2020-10-14 03:23:35,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:35,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:35,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 03:23:35,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1561 [2020-10-14 03:23:35,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-14 03:23:35,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:35,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:23:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:35,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:35,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:35,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:23:35,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:35,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:23:35,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:35,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:35,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:35,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:35,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:35,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:23:35,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:23:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:35,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:35,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:35,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:23:35,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:35,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:23:35,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:35,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:35,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:35,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:35,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:35,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:35,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:23:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:35,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:35,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:35,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:23:35,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:35,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:23:35,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:35,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:35,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:35,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:35,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:35,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:35,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:23:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:35,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:35,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:35,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:23:35,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:35,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:23:35,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:35,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:35,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:35,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:35,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:35,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:35,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:23:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:35,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:35,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:35,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:23:35,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:35,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 03:23:35,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:35,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:35,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:35,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:35,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:35,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:35,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:23:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:35,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:35,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:35,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:23:35,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:35,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 03:23:35,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:35,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:35,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:35,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:35,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:35,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:35,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:23:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:35,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:35,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:35,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:23:35,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:35,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 03:23:35,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:35,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:35,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:35,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:35,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:35,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:35,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:23:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:35,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:35,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:35,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:23:35,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:35,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 03:23:35,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:35,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:35,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:35,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:35,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:35,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:35,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:23:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:35,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:35,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:35,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:23:35,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:35,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:23:35,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:35,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:35,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:35,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:35,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:35,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:35,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 03:23:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:35,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:35,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:35,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:23:35,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:35,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:23:35,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:35,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:35,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:35,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:35,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:35,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:35,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 03:23:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:35,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:36,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:36,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:23:36,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:36,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 03:23:36,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:36,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:36,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:36,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:36,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:36,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:36,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 03:23:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:36,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:36,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:36,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 03:23:36,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:36,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 03:23:36,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:36,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:36,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:36,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:36,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:36,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:36,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 03:23:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:36,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:36,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:36,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:23:36,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:36,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 03:23:36,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:36,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:36,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:23:36,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:36,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 03:23:36,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:36,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2020-10-14 03:23:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:36,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:36,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:36,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:23:36,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:36,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-14 03:23:36,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:36,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:36,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 03:23:36,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:23:36,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 03:23:36,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:37,642 INFO L134 CoverageAnalysis]: Checked inductivity of 9098 backedges. 1997 proven. 71 refuted. 0 times theorem prover too weak. 7030 trivial. 0 not checked. [2020-10-14 03:23:37,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2135892210] [2020-10-14 03:23:37,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:23:37,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:23:37,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63507323] [2020-10-14 03:23:37,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:23:37,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:23:37,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:23:37,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:23:37,644 INFO L87 Difference]: Start difference. First operand 4064 states and 4222 transitions. Second operand 8 states. [2020-10-14 03:23:40,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:23:40,026 INFO L93 Difference]: Finished difference Result 8134 states and 8451 transitions. [2020-10-14 03:23:40,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:23:40,027 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1711 [2020-10-14 03:23:40,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:23:40,043 INFO L225 Difference]: With dead ends: 8134 [2020-10-14 03:23:40,044 INFO L226 Difference]: Without dead ends: 4074 [2020-10-14 03:23:40,050 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:23:40,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4074 states. [2020-10-14 03:23:40,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4074 to 4064. [2020-10-14 03:23:40,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4064 states. [2020-10-14 03:23:40,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4064 states to 4064 states and 4213 transitions. [2020-10-14 03:23:40,122 INFO L78 Accepts]: Start accepts. Automaton has 4064 states and 4213 transitions. Word has length 1711 [2020-10-14 03:23:40,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:23:40,124 INFO L479 AbstractCegarLoop]: Abstraction has 4064 states and 4213 transitions. [2020-10-14 03:23:40,124 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:23:40,124 INFO L276 IsEmpty]: Start isEmpty. Operand 4064 states and 4213 transitions. [2020-10-14 03:23:40,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1782 [2020-10-14 03:23:40,179 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:23:40,180 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 9, 9, 9, 9, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 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 03:23:40,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 03:23:40,181 INFO L427 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:23:40,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:23:40,182 INFO L82 PathProgramCache]: Analyzing trace with hash 693538834, now seen corresponding path program 1 times [2020-10-14 03:23:40,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:23:40,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [289973234] [2020-10-14 03:23:40,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:23:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:40,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:41,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:41,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:45,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:45,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1815 [2020-10-14 03:23:45,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:23:45,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5083 [2020-10-14 03:23:45,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:45,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:45,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:45,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1317 [2020-10-14 03:23:45,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 03:23:45,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:45,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:23:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:45,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:45,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:45,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:23:45,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:45,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:23:45,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:45,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:45,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:45,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:45,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:45,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:45,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:23:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:45,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:45,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:45,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:23:45,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:45,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:23:45,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:45,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:45,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:45,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:45,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:45,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:45,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:23:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:45,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:45,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:45,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:23:45,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:45,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:23:45,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:45,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:45,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:45,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:45,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:45,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:45,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:23:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:45,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:45,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:45,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:23:45,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:45,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:23:45,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:45,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:45,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:45,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:45,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:45,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:45,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:23:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:45,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:45,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:45,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:23:45,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:45,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:23:45,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:45,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:45,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:45,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:45,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:45,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:45,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:23:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:45,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:45,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:45,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:23:45,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:45,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 03:23:45,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:45,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:45,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:45,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:45,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:45,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:45,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:23:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:45,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:45,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:45,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:23:45,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:45,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 03:23:45,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:45,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:45,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:45,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:45,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:45,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:46,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:23:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:46,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:46,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:46,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:23:46,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:46,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 03:23:46,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:46,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:46,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:46,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:46,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:46,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:46,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:23:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:46,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:46,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:46,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:23:46,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:46,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:23:46,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:46,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:46,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:46,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:46,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:46,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:46,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 03:23:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:46,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:46,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:46,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:23:46,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:46,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 03:23:46,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:46,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:46,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:46,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:46,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:46,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:46,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 03:23:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:46,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:46,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:46,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:23:46,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:46,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 03:23:46,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:46,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:46,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:23:46,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:46,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 177 [2020-10-14 03:23:46,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:46,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 03:23:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:46,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:46,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:46,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 03:23:46,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:46,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-10-14 03:23:46,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:46,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:46,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:46,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:23:46,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 03:23:46,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:46,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1427 [2020-10-14 03:23:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:46,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:46,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:46,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-14 03:23:46,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:46,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 03:23:46,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:46,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:46,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:46,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 178 [2020-10-14 03:23:46,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:46,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:46,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1607 [2020-10-14 03:23:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:46,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:46,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:46,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:23:46,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:46,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 03:23:46,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:46,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:46,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:46,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 03:23:46,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:46,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:48,431 INFO L134 CoverageAnalysis]: Checked inductivity of 9366 backedges. 1954 proven. 245 refuted. 0 times theorem prover too weak. 7167 trivial. 0 not checked. [2020-10-14 03:23:48,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [289973234] [2020-10-14 03:23:48,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:23:48,431 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:23:48,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292251955] [2020-10-14 03:23:48,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:23:48,432 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:23:48,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:23:48,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:23:48,433 INFO L87 Difference]: Start difference. First operand 4064 states and 4213 transitions. Second operand 7 states. [2020-10-14 03:23:49,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:23:49,912 INFO L93 Difference]: Finished difference Result 7952 states and 8250 transitions. [2020-10-14 03:23:49,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:23:49,913 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1781 [2020-10-14 03:23:49,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:23:49,923 INFO L225 Difference]: With dead ends: 7952 [2020-10-14 03:23:49,923 INFO L226 Difference]: Without dead ends: 4076 [2020-10-14 03:23:49,929 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:23:49,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4076 states. [2020-10-14 03:23:49,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4076 to 4064. [2020-10-14 03:23:49,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4064 states. [2020-10-14 03:23:49,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4064 states to 4064 states and 4197 transitions. [2020-10-14 03:23:49,989 INFO L78 Accepts]: Start accepts. Automaton has 4064 states and 4197 transitions. Word has length 1781 [2020-10-14 03:23:49,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:23:49,990 INFO L479 AbstractCegarLoop]: Abstraction has 4064 states and 4197 transitions. [2020-10-14 03:23:49,990 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:23:49,990 INFO L276 IsEmpty]: Start isEmpty. Operand 4064 states and 4197 transitions. [2020-10-14 03:23:50,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2017 [2020-10-14 03:23:50,033 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:23:50,034 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 11, 11, 11, 10, 10, 10, 10, 9, 8, 7, 7, 7, 7, 7, 7, 6, 6, 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, 3, 3, 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] [2020-10-14 03:23:50,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 03:23:50,035 INFO L427 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:23:50,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:23:50,036 INFO L82 PathProgramCache]: Analyzing trace with hash -253874887, now seen corresponding path program 1 times [2020-10-14 03:23:50,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:23:50,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1234744900] [2020-10-14 03:23:50,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:23:50,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:50,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:52,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:53,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:55,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:55,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 2054 [2020-10-14 03:23:55,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:23:55,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-14 03:23:55,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:55,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:55,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:55,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1870 [2020-10-14 03:23:55,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 03:23:55,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:55,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:23:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:55,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:55,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:55,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:23:55,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:55,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:23:55,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:55,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:55,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:55,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:55,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:55,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:55,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:23:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:55,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:55,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:55,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:23:55,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:55,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 03:23:55,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:55,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:55,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:55,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:55,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:55,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:55,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:23:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:55,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:55,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:55,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:23:55,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:55,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:23:55,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:55,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:55,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:55,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:55,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:55,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:55,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:23:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:55,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:55,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:55,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:23:55,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:55,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:23:55,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:55,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:55,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:55,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:55,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:55,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:55,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:23:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:55,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:55,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:55,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:23:55,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:55,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:23:55,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:55,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:55,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:55,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:55,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:55,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:55,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:23:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:55,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:55,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:55,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:23:55,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:55,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:23:55,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:55,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:55,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:55,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:55,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:55,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:55,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:23:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:55,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:55,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:55,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:23:55,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:55,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:23:55,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:55,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:55,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:55,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:55,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:55,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:55,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:23:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:55,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:55,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:55,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:23:55,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:55,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 03:23:55,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:55,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:55,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:55,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:55,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:55,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:55,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:23:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:55,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:55,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:55,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:23:55,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:55,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:23:55,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:55,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:55,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:55,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:55,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:55,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:23:55,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 03:23:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:55,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:56,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:56,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:23:56,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:56,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 03:23:56,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:56,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:56,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:56,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:56,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:56,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:56,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 03:23:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:56,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:56,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:56,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:23:56,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:56,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 03:23:56,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:56,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:56,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:56,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:56,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:56,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:23:56,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 03:23:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:56,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:56,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:56,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 03:23:56,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:56,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 03:23:56,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:56,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:56,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:56,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:56,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:56,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:56,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 03:23:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:56,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:56,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:56,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:23:56,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:56,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 03:23:56,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:56,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:56,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:56,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:56,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:56,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:56,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2020-10-14 03:23:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:56,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:56,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:56,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 03:23:56,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:56,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 03:23:56,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:56,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:56,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:56,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:56,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:56,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:56,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1662 [2020-10-14 03:23:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:56,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:56,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:56,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-14 03:23:56,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:56,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-14 03:23:56,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:56,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:56,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:23:56,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:56,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-10-14 03:23:56,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:56,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1842 [2020-10-14 03:23:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:56,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:56,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:56,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:23:56,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:56,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-14 03:23:56,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:56,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:56,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:56,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:23:56,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 03:23:56,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:23:58,771 INFO L134 CoverageAnalysis]: Checked inductivity of 12449 backedges. 2420 proven. 2 refuted. 0 times theorem prover too weak. 10027 trivial. 0 not checked. [2020-10-14 03:23:58,771 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1234744900] [2020-10-14 03:23:58,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:23:58,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:23:58,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953001357] [2020-10-14 03:23:58,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:23:58,773 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:23:58,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:23:58,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:23:58,774 INFO L87 Difference]: Start difference. First operand 4064 states and 4197 transitions. Second operand 7 states. [2020-10-14 03:24:00,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:24:00,212 INFO L93 Difference]: Finished difference Result 7760 states and 8025 transitions. [2020-10-14 03:24:00,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 03:24:00,214 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 2016 [2020-10-14 03:24:00,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:24:00,217 INFO L225 Difference]: With dead ends: 7760 [2020-10-14 03:24:00,217 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 03:24:00,225 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 34 SyntacticMatches, 1 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 03:24:00,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 03:24:00,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 03:24:00,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 03:24:00,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 03:24:00,226 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2016 [2020-10-14 03:24:00,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:24:00,226 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 03:24:00,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:24:00,227 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 03:24:00,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 03:24:00,227 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 03:24:00,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 03:24:00,497 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 58 [2020-10-14 03:24:00,829 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 55 [2020-10-14 03:24:00,959 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 56 [2020-10-14 03:24:01,298 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 57 [2020-10-14 03:24:01,903 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 172 [2020-10-14 03:24:02,243 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 172 [2020-10-14 03:24:03,800 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 249 DAG size of output: 84 [2020-10-14 03:24:04,665 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 77 [2020-10-14 03:24:05,458 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 77 [2020-10-14 03:24:05,462 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:24:05,462 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-14 03:24:05,463 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:24:05,463 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-14 03:24:05,463 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-14 03:24:05,463 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,463 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,463 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,463 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-14 03:24:05,464 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 03:24:05,464 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 03:24:05,464 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 03:24:05,464 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-14 03:24:05,464 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-14 03:24:05,464 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-14 03:24:05,464 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-14 03:24:05,464 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,464 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,464 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,464 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-14 03:24:05,464 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-14 03:24:05,465 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 03:24:05,465 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 03:24:05,465 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 03:24:05,465 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-14 03:24:05,465 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-14 03:24:05,465 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-14 03:24:05,465 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,465 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,465 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,466 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-14 03:24:05,466 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 03:24:05,466 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 03:24:05,466 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 03:24:05,466 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-14 03:24:05,466 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-14 03:24:05,466 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-14 03:24:05,466 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-14 03:24:05,466 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-14 03:24:05,466 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,467 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,467 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,467 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-14 03:24:05,467 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 03:24:05,467 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 03:24:05,467 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 03:24:05,467 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-14 03:24:05,467 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-14 03:24:05,467 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-14 03:24:05,467 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,468 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,468 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,468 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-14 03:24:05,468 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 03:24:05,468 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 03:24:05,468 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 03:24:05,468 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-14 03:24:05,468 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-14 03:24:05,468 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-14 03:24:05,469 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-14 03:24:05,469 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-14 03:24:05,469 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,469 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,469 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,469 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,469 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-14 03:24:05,469 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 03:24:05,469 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 03:24:05,469 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 03:24:05,470 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-14 03:24:05,470 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-14 03:24:05,470 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-14 03:24:05,470 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-14 03:24:05,470 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,470 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,470 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,470 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 03:24:05,471 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 03:24:05,471 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 03:24:05,471 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-14 03:24:05,471 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-14 03:24:05,471 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-14 03:24:05,471 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-14 03:24:05,471 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-14 03:24:05,471 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,471 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,471 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,472 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-14 03:24:05,472 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-14 03:24:05,472 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 03:24:05,473 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 03:24:05,474 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 03:24:05,474 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-14 03:24:05,474 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse16 (= 6 |old(~a21~0)|))) (let ((.cse2 (not .cse16)) (.cse10 (= 7 |old(~a15~0)|)) (.cse7 (not (<= 8 |old(~a21~0)|))) (.cse17 (= ~a24~0 |old(~a24~0)|)) (.cse18 (= ~a12~0 |old(~a12~0)|)) (.cse19 (= ~a15~0 |old(~a15~0)|))) (let ((.cse0 (not (<= |old(~a24~0)| 1))) (.cse1 (and .cse17 (= ~a21~0 6) .cse18 .cse19)) (.cse6 (not (<= |old(~a12~0)| 11))) (.cse8 (not (= 7 |old(~a21~0)|))) (.cse9 (and .cse17 .cse18 (= 7 ~a21~0) .cse19)) (.cse3 (not (= 10 |old(~a21~0)|))) (.cse12 (not (<= 81 |old(~a12~0)|))) (.cse4 (and .cse17 (= ~a21~0 |old(~a21~0)|) .cse18 .cse19)) (.cse11 (let ((.cse20 (not (<= |old(~a15~0)| 7)))) (and (or .cse20 .cse2) (or .cse20 .cse10) (or .cse20 .cse7)))) (.cse13 (and .cse17 (= ~a21~0 9) .cse18 .cse19)) (.cse14 (not (= 9 |old(~a21~0)|))) (.cse15 (not (<= |old(~a12~0)| 76))) (.cse5 (= 9 |old(~a15~0)|))) (and (or .cse0 .cse1 (not (<= |old(~a12~0)| 95442)) (not (<= 95374 |old(~a12~0)|)) .cse2) (or .cse3 .cse4 (not .cse5) .cse6) (or .cse0 .cse1 .cse2 .cse5) (or .cse3 .cse4 (not (<= |old(~a15~0)| 8)) .cse6) (or .cse7 .cse4 (not (<= |old(~a21~0)| 8))) (or .cse8 .cse9 .cse10) (or .cse4 .cse11 (not (<= |old(~a12~0)| 73282))) (or .cse12 .cse13 .cse14) (or .cse8 .cse9 .cse15) (or .cse3 .cse12 .cse4) (or .cse4 .cse11 .cse16) (or .cse13 .cse14 .cse15 .cse5))))) [2020-10-14 03:24:05,474 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-14 03:24:05,475 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-14 03:24:05,475 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,475 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,475 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,475 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 03:24:05,475 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 03:24:05,475 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 03:24:05,475 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-14 03:24:05,475 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-14 03:24:05,475 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-14 03:24:05,476 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-14 03:24:05,476 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-14 03:24:05,476 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,476 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,476 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,476 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-14 03:24:05,476 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-14 03:24:05,476 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 03:24:05,477 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 03:24:05,477 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 03:24:05,477 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-14 03:24:05,477 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-14 03:24:05,477 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-14 03:24:05,477 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,477 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,477 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,477 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-14 03:24:05,478 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 03:24:05,478 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 03:24:05,478 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 03:24:05,478 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-14 03:24:05,478 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-14 03:24:05,478 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-14 03:24:05,478 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-14 03:24:05,478 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,479 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,479 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,479 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-14 03:24:05,479 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 03:24:05,479 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 03:24:05,479 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 03:24:05,479 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-14 03:24:05,479 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-14 03:24:05,479 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-14 03:24:05,479 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-14 03:24:05,479 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,479 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,479 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-14 03:24:05,479 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 03:24:05,479 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 03:24:05,480 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-14 03:24:05,480 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-14 03:24:05,480 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-14 03:24:05,480 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-14 03:24:05,480 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-14 03:24:05,480 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2020-10-14 03:24:05,480 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,480 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,480 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-14 03:24:05,480 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 03:24:05,480 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 03:24:05,480 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-14 03:24:05,480 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-14 03:24:05,480 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-14 03:24:05,481 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,481 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,481 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-14 03:24:05,481 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-14 03:24:05,481 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 03:24:05,481 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 03:24:05,481 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-14 03:24:05,481 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-14 03:24:05,481 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-14 03:24:05,481 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-14 03:24:05,481 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,481 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,482 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-14 03:24:05,482 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-14 03:24:05,482 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 03:24:05,482 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 03:24:05,482 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-14 03:24:05,482 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-14 03:24:05,482 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-14 03:24:05,482 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,482 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,483 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,483 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-14 03:24:05,483 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-14 03:24:05,483 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 03:24:05,483 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 03:24:05,483 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-14 03:24:05,483 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-14 03:24:05,483 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,483 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,483 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 03:24:05,483 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,483 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-14 03:24:05,483 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-14 03:24:05,483 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-14 03:24:05,483 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 03:24:05,483 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 03:24:05,484 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 03:24:05,484 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-14 03:24:05,484 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-14 03:24:05,484 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-14 03:24:05,484 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-14 03:24:05,484 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,484 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,484 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,484 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-14 03:24:05,484 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 03:24:05,484 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 03:24:05,484 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 03:24:05,484 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-14 03:24:05,484 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-14 03:24:05,484 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-14 03:24:05,484 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-14 03:24:05,485 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,485 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,485 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,485 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-14 03:24:05,485 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-14 03:24:05,485 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 03:24:05,485 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 03:24:05,485 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 03:24:05,485 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-14 03:24:05,485 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-14 03:24:05,485 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-14 03:24:05,485 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,485 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,485 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,485 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-14 03:24:05,485 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 03:24:05,486 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 03:24:05,486 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 03:24:05,486 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-14 03:24:05,486 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-14 03:24:05,486 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-14 03:24:05,486 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-14 03:24:05,486 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-14 03:24:05,486 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,486 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,486 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:05,486 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-14 03:24:05,486 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 03:24:05,486 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 03:24:05,486 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 03:24:05,486 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-14 03:24:05,487 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:24:05,487 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 8 ~a15~0) (<= ~a24~0 1) (<= (+ ~a12~0 43) 0) (= 7 ~a21~0) (not (= ~a15~0 9))) [2020-10-14 03:24:05,487 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 03:24:05,487 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:24:05,487 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (<= |old(~a24~0)| 1)) (and (= ~a24~0 |old(~a24~0)|) (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0) (= ~a15~0 |old(~a15~0)|)) (not (<= 8 |old(~a15~0)|)) (not (<= (+ |old(~a12~0)| 43) 0)) (= 9 |old(~a15~0)|)) [2020-10-14 03:24:05,487 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:24:05,488 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse12 (<= 8 ~a21~0)) (.cse13 (not (= 7 ~a15~0))) (.cse9 (= ~a21~0 6)) (.cse2 (= ~a15~0 9))) (let ((.cse5 (<= ~a12~0 76)) (.cse1 (<= ~a12~0 11)) (.cse11 (<= ~a24~0 1)) (.cse4 (not .cse2)) (.cse6 (= 7 ~a21~0)) (.cse3 (= ~a21~0 9)) (.cse14 (<= 81 ~a12~0)) (.cse0 (= ~a21~0 10)) (.cse7 (not (= 10 |old(~a21~0)|))) (.cse8 (or (<= |old(~a12~0)| 80) (not (= |old(~a15~0)| |old(~a21~0)|)))) (.cse10 (let ((.cse15 (<= ~a15~0 7))) (or (and .cse15 .cse12) (and .cse15 .cse13) (and .cse15 .cse9))))) (or (not (<= |old(~a24~0)| 1)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (not (<= 8 |old(~a15~0)|)) (and .cse6 .cse5) (and .cse7 .cse8 (not .cse9) .cse10) (= 9 |old(~a15~0)|) (not (= 7 |old(~a21~0)|)) (and .cse11 .cse9 (<= ~a12~0 95442) (<= 95374 ~a12~0)) (and .cse0 .cse1 (<= ~a15~0 8)) (and .cse11 .cse9 .cse4) (and .cse12 (<= ~a21~0 8)) (and .cse6 .cse13) (and .cse14 .cse3) (not (<= (+ |old(~a12~0)| 43) 0)) (and .cse14 .cse0) (and .cse7 .cse8 (<= ~a12~0 73282) .cse10)))) [2020-10-14 03:24:05,488 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-14 03:24:05,488 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-14 03:24:05,488 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse12 (<= 8 ~a21~0)) (.cse13 (not (= 7 ~a15~0))) (.cse9 (= ~a21~0 6)) (.cse2 (= ~a15~0 9))) (let ((.cse5 (<= ~a12~0 76)) (.cse1 (<= ~a12~0 11)) (.cse11 (<= ~a24~0 1)) (.cse4 (not .cse2)) (.cse6 (= 7 ~a21~0)) (.cse3 (= ~a21~0 9)) (.cse14 (<= 81 ~a12~0)) (.cse0 (= ~a21~0 10)) (.cse7 (not (= 10 |old(~a21~0)|))) (.cse8 (or (<= |old(~a12~0)| 80) (not (= |old(~a15~0)| |old(~a21~0)|)))) (.cse10 (let ((.cse15 (<= ~a15~0 7))) (or (and .cse15 .cse12) (and .cse15 .cse13) (and .cse15 .cse9))))) (or (not (<= |old(~a24~0)| 1)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (not (<= 8 |old(~a15~0)|)) (and .cse6 .cse5) (and .cse7 .cse8 (not .cse9) .cse10) (= 9 |old(~a15~0)|) (not (= 7 |old(~a21~0)|)) (and .cse11 .cse9 (<= ~a12~0 95442) (<= 95374 ~a12~0)) (and .cse0 .cse1 (<= ~a15~0 8)) (and .cse11 .cse9 .cse4) (and .cse12 (<= ~a21~0 8)) (and .cse6 .cse13) (and .cse14 .cse3) (not (<= (+ |old(~a12~0)| 43) 0)) (and .cse14 .cse0) (and .cse7 .cse8 (<= ~a12~0 73282) .cse10)))) [2020-10-14 03:24:05,488 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:24:05,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 03:24:05 BoogieIcfgContainer [2020-10-14 03:24:05,519 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 03:24:05,524 INFO L168 Benchmark]: Toolchain (without parser) took 156143.48 ms. Allocated memory was 147.8 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 100.9 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2020-10-14 03:24:05,524 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 147.8 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.7 kB). Peak memory consumption was 210.7 kB. Max. memory is 7.1 GB. [2020-10-14 03:24:05,527 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1139.89 ms. Allocated memory was 147.8 MB in the beginning and 211.3 MB in the end (delta: 63.4 MB). Free memory was 100.7 MB in the beginning and 174.5 MB in the end (delta: -73.8 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. [2020-10-14 03:24:05,528 INFO L168 Benchmark]: Boogie Preprocessor took 134.52 ms. Allocated memory is still 211.3 MB. Free memory was 174.5 MB in the beginning and 168.4 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. [2020-10-14 03:24:05,528 INFO L168 Benchmark]: RCFGBuilder took 1681.02 ms. Allocated memory was 211.3 MB in the beginning and 233.3 MB in the end (delta: 22.0 MB). Free memory was 168.4 MB in the beginning and 147.6 MB in the end (delta: 20.8 MB). Peak memory consumption was 75.7 MB. Max. memory is 7.1 GB. [2020-10-14 03:24:05,529 INFO L168 Benchmark]: TraceAbstraction took 153181.43 ms. Allocated memory was 233.3 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 147.6 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2020-10-14 03:24:05,532 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 147.8 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.7 kB). Peak memory consumption was 210.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1139.89 ms. Allocated memory was 147.8 MB in the beginning and 211.3 MB in the end (delta: 63.4 MB). Free memory was 100.7 MB in the beginning and 174.5 MB in the end (delta: -73.8 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.52 ms. Allocated memory is still 211.3 MB. Free memory was 174.5 MB in the beginning and 168.4 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1681.02 ms. Allocated memory was 211.3 MB in the beginning and 233.3 MB in the end (delta: 22.0 MB). Free memory was 168.4 MB in the beginning and 147.6 MB in the end (delta: 20.8 MB). Peak memory consumption was 75.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 153181.43 ms. Allocated memory was 233.3 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 147.6 MB in the beginning and 1.9 GB in the end (delta: -1.8 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: 175]: 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: 880]: Loop Invariant Derived loop invariant: (((((((((((((((!(\old(a24) <= 1) || ((a21 == 10 && a12 <= 11) && a15 == 9)) || ((a21 == 9 && !(a15 == 9)) && a12 <= 76)) || !(8 <= \old(a15))) || (7 == a21 && a12 <= 76)) || (((!(10 == \old(a21)) && (\old(a12) <= 80 || !(\old(a15) == \old(a21)))) && !(a21 == 6)) && (((a15 <= 7 && 8 <= a21) || (a15 <= 7 && !(7 == a15))) || (a15 <= 7 && a21 == 6)))) || 9 == \old(a15)) || !(7 == \old(a21))) || (((a24 <= 1 && a21 == 6) && a12 <= 95442) && 95374 <= a12)) || ((a21 == 10 && a12 <= 11) && a15 <= 8)) || ((a24 <= 1 && a21 == 6) && !(a15 == 9))) || (8 <= a21 && a21 <= 8)) || (7 == a21 && !(7 == a15))) || (81 <= a12 && a21 == 9)) || !(\old(a12) + 43 <= 0)) || (81 <= a12 && a21 == 10)) || (((!(10 == \old(a21)) && (\old(a12) <= 80 || !(\old(a15) == \old(a21)))) && a12 <= 73282) && (((a15 <= 7 && 8 <= a21) || (a15 <= 7 && !(7 == a15))) || (a15 <= 7 && a21 == 6))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 147.8s, OverallIterations: 22, TraceHistogramMax: 16, AutomataDifference: 40.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 619 SDtfs, 12105 SDslu, 788 SDs, 0 SdLazy, 26613 SolverSat, 2723 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 540 GetRequests, 354 SyntacticMatches, 4 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4082occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 22 MinimizatonAttempts, 3838 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 355 PreInvPairs, 415 NumberOfFragments, 801 HoareAnnotationTreeSize, 355 FomulaSimplifications, 317831 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 20830 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 92.8s InterpolantComputationTime, 15586 NumberOfCodeBlocks, 15586 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 15564 ConstructedInterpolants, 0 QuantifiedInterpolants, 32566891 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 1 PerfectInterpolantSequences, 52978/54881 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...