/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_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 03:17:23,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 03:17:23,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 03:17:23,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 03:17:23,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 03:17:23,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 03:17:23,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 03:17:23,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 03:17:23,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 03:17:23,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 03:17:23,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 03:17:23,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 03:17:23,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 03:17:23,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 03:17:23,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 03:17:23,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 03:17:23,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 03:17:23,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 03:17:23,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 03:17:23,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 03:17:23,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 03:17:23,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 03:17:23,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 03:17:23,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 03:17:23,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 03:17:23,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 03:17:23,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 03:17:23,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 03:17:23,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 03:17:23,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 03:17:23,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 03:17:23,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 03:17:23,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 03:17:23,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 03:17:23,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 03:17:23,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 03:17:23,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 03:17:23,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 03:17:23,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 03:17:23,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 03:17:23,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 03:17:23,688 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 03:17:23,728 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 03:17:23,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 03:17:23,730 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 03:17:23,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 03:17:23,731 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 03:17:23,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 03:17:23,731 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 03:17:23,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 03:17:23,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 03:17:23,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 03:17:23,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 03:17:23,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 03:17:23,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 03:17:23,734 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 03:17:23,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 03:17:23,734 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 03:17:23,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 03:17:23,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 03:17:23,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 03:17:23,735 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 03:17:23,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 03:17:23,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 03:17:23,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 03:17:23,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 03:17:23,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 03:17:23,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 03:17:23,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 03:17:23,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 03:17:23,737 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 03:17:23,737 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 03:17:24,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 03:17:24,090 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 03:17:24,095 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 03:17:24,096 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 03:17:24,098 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 03:17:24,099 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label23.c [2020-10-14 03:17:24,169 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/db84d8b02/e451ffc035fd4cae88a95a1b3ffa7bcc/FLAGcc4f259c2 [2020-10-14 03:17:24,775 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 03:17:24,780 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label23.c [2020-10-14 03:17:24,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/db84d8b02/e451ffc035fd4cae88a95a1b3ffa7bcc/FLAGcc4f259c2 [2020-10-14 03:17:25,138 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/db84d8b02/e451ffc035fd4cae88a95a1b3ffa7bcc [2020-10-14 03:17:25,147 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 03:17:25,148 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 03:17:25,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 03:17:25,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 03:17:25,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 03:17:25,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:17:25" (1/1) ... [2020-10-14 03:17:25,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21af3704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:25, skipping insertion in model container [2020-10-14 03:17:25,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:17:25" (1/1) ... [2020-10-14 03:17:25,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 03:17:25,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 03:17:25,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:17:25,893 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 03:17:26,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:17:26,123 INFO L208 MainTranslator]: Completed translation [2020-10-14 03:17:26,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:26 WrapperNode [2020-10-14 03:17:26,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 03:17:26,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 03:17:26,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 03:17:26,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 03:17:26,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:26" (1/1) ... [2020-10-14 03:17:26,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:26" (1/1) ... [2020-10-14 03:17:26,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:26" (1/1) ... [2020-10-14 03:17:26,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:26" (1/1) ... [2020-10-14 03:17:26,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:26" (1/1) ... [2020-10-14 03:17:26,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:26" (1/1) ... [2020-10-14 03:17:26,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:26" (1/1) ... [2020-10-14 03:17:26,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 03:17:26,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 03:17:26,260 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 03:17:26,260 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 03:17:26,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:26" (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 03:17:26,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 03:17:26,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 03:17:26,351 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 03:17:26,351 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 03:17:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 03:17:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 03:17:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 03:17:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 03:17:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 03:17:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 03:17:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 03:17:27,886 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 03:17:27,886 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 03:17:27,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:17:27 BoogieIcfgContainer [2020-10-14 03:17:27,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 03:17:27,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 03:17:27,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 03:17:27,898 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 03:17:27,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:17:25" (1/3) ... [2020-10-14 03:17:27,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@225eebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:17:27, skipping insertion in model container [2020-10-14 03:17:27,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:26" (2/3) ... [2020-10-14 03:17:27,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@225eebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:17:27, skipping insertion in model container [2020-10-14 03:17:27,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:17:27" (3/3) ... [2020-10-14 03:17:27,902 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label23.c [2020-10-14 03:17:27,916 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 03:17:27,924 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 03:17:27,942 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 03:17:27,969 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 03:17:27,970 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 03:17:27,970 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 03:17:27,970 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 03:17:27,970 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 03:17:27,970 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 03:17:27,971 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 03:17:27,971 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 03:17:27,995 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-14 03:17:28,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-14 03:17:28,003 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:17:28,004 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] [2020-10-14 03:17:28,005 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:17:28,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:17:28,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1582887541, now seen corresponding path program 1 times [2020-10-14 03:17:28,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:17:28,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2117057139] [2020-10-14 03:17:28,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:17:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:28,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:28,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:28,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 03:17:28,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:28,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 342 [2020-10-14 03:17:28,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:28,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:28,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 03:17:28,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 03:17:28,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-14 03:17:28,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 03:17:28,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:17:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:28,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:28,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:28,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:17:28,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:28,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:17:28,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:28,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:28,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:28,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:28,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 03:17:28,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:28,686 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 03:17:28,687 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2117057139] [2020-10-14 03:17:28,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 03:17:28,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 03:17:28,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478591379] [2020-10-14 03:17:28,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 03:17:28,696 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:17:28,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 03:17:28,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 03:17:28,717 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2020-10-14 03:17:30,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:17:30,412 INFO L93 Difference]: Finished difference Result 698 states and 1238 transitions. [2020-10-14 03:17:30,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:17:30,414 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2020-10-14 03:17:30,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:17:30,435 INFO L225 Difference]: With dead ends: 698 [2020-10-14 03:17:30,435 INFO L226 Difference]: Without dead ends: 380 [2020-10-14 03:17:30,450 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 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 03:17:30,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-14 03:17:30,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2020-10-14 03:17:30,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-14 03:17:30,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 539 transitions. [2020-10-14 03:17:30,532 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 539 transitions. Word has length 38 [2020-10-14 03:17:30,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:17:30,533 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 539 transitions. [2020-10-14 03:17:30,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 03:17:30,533 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 539 transitions. [2020-10-14 03:17:30,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-14 03:17:30,543 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:17:30,544 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:17:30,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 03:17:30,544 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:17:30,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:17:30,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1641808462, now seen corresponding path program 1 times [2020-10-14 03:17:30,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:17:30,545 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1277615998] [2020-10-14 03:17:30,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:17:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:30,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:30,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:30,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:31,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:31,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:17:31,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:17:31,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 777 [2020-10-14 03:17:31,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:31,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:31,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:31,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 03:17:31,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 03:17:31,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:31,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:17:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:31,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:31,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:31,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:17:31,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:31,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 03:17:31,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:31,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:31,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:31,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:31,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:31,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:31,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:17:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:31,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:31,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:31,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 03:17:31,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:31,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 03:17:31,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:31,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:31,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:31,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:31,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 03:17:31,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:31,577 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:17:31,578 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1277615998] [2020-10-14 03:17:31,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:17:31,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:17:31,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676201146] [2020-10-14 03:17:31,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:17:31,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:17:31,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:17:31,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:17:31,582 INFO L87 Difference]: Start difference. First operand 376 states and 539 transitions. Second operand 5 states. [2020-10-14 03:17:33,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:17:33,239 INFO L93 Difference]: Finished difference Result 1118 states and 1618 transitions. [2020-10-14 03:17:33,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:17:33,239 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2020-10-14 03:17:33,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:17:33,251 INFO L225 Difference]: With dead ends: 1118 [2020-10-14 03:17:33,254 INFO L226 Difference]: Without dead ends: 564 [2020-10-14 03:17:33,263 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 03:17:33,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-14 03:17:33,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-14 03:17:33,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-14 03:17:33,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 732 transitions. [2020-10-14 03:17:33,335 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 732 transitions. Word has length 108 [2020-10-14 03:17:33,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:17:33,336 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 732 transitions. [2020-10-14 03:17:33,336 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:17:33,337 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 732 transitions. [2020-10-14 03:17:33,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-14 03:17:33,341 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:17:33,342 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:17:33,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 03:17:33,345 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:17:33,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:17:33,346 INFO L82 PathProgramCache]: Analyzing trace with hash 719970305, now seen corresponding path program 1 times [2020-10-14 03:17:33,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:17:33,346 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2067050574] [2020-10-14 03:17:33,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:17:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:33,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:33,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:33,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:34,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:34,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 03:17:34,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:17:34,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 968 [2020-10-14 03:17:34,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:34,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:34,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:34,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 03:17:34,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 03:17:34,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:34,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:17:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:34,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:34,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:34,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:17:34,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:34,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 03:17:34,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:34,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:34,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:34,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:34,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:34,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:17:34,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:17:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:34,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:34,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:34,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 03:17:34,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:34,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 03:17:34,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:34,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:34,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:34,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:34,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 03:17:34,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:34,557 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:17:34,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2067050574] [2020-10-14 03:17:34,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:17:34,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:17:34,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223275597] [2020-10-14 03:17:34,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:17:34,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:17:34,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:17:34,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:17:34,560 INFO L87 Difference]: Start difference. First operand 560 states and 732 transitions. Second operand 5 states. [2020-10-14 03:17:36,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:17:36,144 INFO L93 Difference]: Finished difference Result 1486 states and 1969 transitions. [2020-10-14 03:17:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:17:36,144 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 117 [2020-10-14 03:17:36,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:17:36,149 INFO L225 Difference]: With dead ends: 1486 [2020-10-14 03:17:36,150 INFO L226 Difference]: Without dead ends: 748 [2020-10-14 03:17:36,152 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 03:17:36,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-14 03:17:36,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2020-10-14 03:17:36,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-14 03:17:36,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 966 transitions. [2020-10-14 03:17:36,178 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 966 transitions. Word has length 117 [2020-10-14 03:17:36,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:17:36,179 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 966 transitions. [2020-10-14 03:17:36,179 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:17:36,180 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 966 transitions. [2020-10-14 03:17:36,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-14 03:17:36,182 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:17:36,183 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:17:36,183 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 03:17:36,183 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:17:36,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:17:36,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1098649298, now seen corresponding path program 1 times [2020-10-14 03:17:36,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:17:36,184 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [807683749] [2020-10-14 03:17:36,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:17:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:36,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:36,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:37,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:37,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 03:17:37,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:17:37,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 935 [2020-10-14 03:17:37,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:37,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:37,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:37,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-14 03:17:37,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 03:17:37,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-14 03:17:37,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:17:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:37,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:37,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:37,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:17:37,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:37,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 03:17:37,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:37,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:37,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:37,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:37,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:37,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:37,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:17:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:37,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:37,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:37,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:17:37,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:37,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-14 03:17:37,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:37,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:37,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:37,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:37,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 03:17:37,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:37,444 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:17:37,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [807683749] [2020-10-14 03:17:37,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:17:37,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:17:37,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300713015] [2020-10-14 03:17:37,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:17:37,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:17:37,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:17:37,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:17:37,448 INFO L87 Difference]: Start difference. First operand 744 states and 966 transitions. Second operand 5 states. [2020-10-14 03:17:38,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:17:38,983 INFO L93 Difference]: Finished difference Result 2038 states and 2713 transitions. [2020-10-14 03:17:38,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:17:38,983 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2020-10-14 03:17:38,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:17:38,993 INFO L225 Difference]: With dead ends: 2038 [2020-10-14 03:17:38,993 INFO L226 Difference]: Without dead ends: 748 [2020-10-14 03:17:38,996 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 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 03:17:38,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-14 03:17:39,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2020-10-14 03:17:39,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-14 03:17:39,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 946 transitions. [2020-10-14 03:17:39,028 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 946 transitions. Word has length 124 [2020-10-14 03:17:39,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:17:39,030 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 946 transitions. [2020-10-14 03:17:39,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:17:39,030 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 946 transitions. [2020-10-14 03:17:39,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-14 03:17:39,035 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:17:39,035 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:17:39,036 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 03:17:39,036 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:17:39,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:17:39,036 INFO L82 PathProgramCache]: Analyzing trace with hash -362272610, now seen corresponding path program 1 times [2020-10-14 03:17:39,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:17:39,037 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [971770923] [2020-10-14 03:17:39,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:17:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:39,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:39,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:39,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:39,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:39,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 03:17:39,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:17:39,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 593 [2020-10-14 03:17:39,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:39,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:39,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:39,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-14 03:17:39,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 03:17:39,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:39,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:17:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:39,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:39,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:39,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:17:39,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:39,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:17:39,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:39,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:39,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:39,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:39,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:39,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:39,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:17:39,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:39,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:39,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:39,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 03:17:39,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:39,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-14 03:17:39,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:39,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:39,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:39,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:39,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 03:17:39,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:39,916 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:17:39,917 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [971770923] [2020-10-14 03:17:39,917 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:17:39,917 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:17:39,918 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143955223] [2020-10-14 03:17:39,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:17:39,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:17:39,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:17:39,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:17:39,924 INFO L87 Difference]: Start difference. First operand 744 states and 946 transitions. Second operand 5 states. [2020-10-14 03:17:41,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:17:41,387 INFO L93 Difference]: Finished difference Result 1854 states and 2388 transitions. [2020-10-14 03:17:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:17:41,387 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2020-10-14 03:17:41,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:17:41,394 INFO L225 Difference]: With dead ends: 1854 [2020-10-14 03:17:41,395 INFO L226 Difference]: Without dead ends: 1116 [2020-10-14 03:17:41,398 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 03:17:41,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-10-14 03:17:41,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 930. [2020-10-14 03:17:41,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 930 states. [2020-10-14 03:17:41,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1224 transitions. [2020-10-14 03:17:41,435 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1224 transitions. Word has length 132 [2020-10-14 03:17:41,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:17:41,435 INFO L479 AbstractCegarLoop]: Abstraction has 930 states and 1224 transitions. [2020-10-14 03:17:41,436 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:17:41,436 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1224 transitions. [2020-10-14 03:17:41,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-14 03:17:41,439 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:17:41,440 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:17:41,440 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 03:17:41,440 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:17:41,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:17:41,441 INFO L82 PathProgramCache]: Analyzing trace with hash 970004350, now seen corresponding path program 1 times [2020-10-14 03:17:41,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:17:41,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2099525748] [2020-10-14 03:17:41,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:17:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:41,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:41,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:42,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:42,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-14 03:17:42,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:17:42,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 611 [2020-10-14 03:17:42,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:42,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:42,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:42,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 03:17:42,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 03:17:42,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:42,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:17:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:42,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:42,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:42,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:17:42,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:42,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:17:42,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:42,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:42,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:42,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:42,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:42,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:42,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:17:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:42,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:42,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:42,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:17:42,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:42,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-14 03:17:42,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:42,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:42,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:42,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:42,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 03:17:42,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:42,294 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:17:42,295 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2099525748] [2020-10-14 03:17:42,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:17:42,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:17:42,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031963595] [2020-10-14 03:17:42,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:17:42,297 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:17:42,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:17:42,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:17:42,298 INFO L87 Difference]: Start difference. First operand 930 states and 1224 transitions. Second operand 5 states. [2020-10-14 03:17:43,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:17:43,595 INFO L93 Difference]: Finished difference Result 2594 states and 3517 transitions. [2020-10-14 03:17:43,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:17:43,599 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-10-14 03:17:43,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:17:43,608 INFO L225 Difference]: With dead ends: 2594 [2020-10-14 03:17:43,609 INFO L226 Difference]: Without dead ends: 1670 [2020-10-14 03:17:43,612 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 03:17:43,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2020-10-14 03:17:43,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1666. [2020-10-14 03:17:43,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1666 states. [2020-10-14 03:17:43,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1666 states and 2147 transitions. [2020-10-14 03:17:43,664 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 2147 transitions. Word has length 148 [2020-10-14 03:17:43,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:17:43,664 INFO L479 AbstractCegarLoop]: Abstraction has 1666 states and 2147 transitions. [2020-10-14 03:17:43,664 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:17:43,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 2147 transitions. [2020-10-14 03:17:43,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-14 03:17:43,667 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:17:43,668 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:17:43,668 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 03:17:43,668 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:17:43,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:17:43,668 INFO L82 PathProgramCache]: Analyzing trace with hash 257675322, now seen corresponding path program 1 times [2020-10-14 03:17:43,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:17:43,669 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1385679055] [2020-10-14 03:17:43,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:17:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:43,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:43,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:43,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:43,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:45,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:47,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:47,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-14 03:17:47,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:17:47,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3413 [2020-10-14 03:17:47,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:47,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:47,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:47,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 03:17:47,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 03:17:47,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:47,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:17:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:47,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:47,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:47,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:17:47,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:47,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 03:17:47,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:47,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:47,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:47,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:47,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:47,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:47,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:17:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:47,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:47,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:47,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 03:17:47,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:47,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 03:17:47,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:47,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:47,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:47,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:47,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 03:17:47,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:47,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 03:17:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:47,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:47,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:47,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:17:47,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:47,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-14 03:17:47,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:47,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:47,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:47,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:17:47,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 03:17:47,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:47,616 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 131 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:17:47,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1385679055] [2020-10-14 03:17:47,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:17:47,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:17:47,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461677836] [2020-10-14 03:17:47,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:17:47,619 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:17:47,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:17:47,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:17:47,619 INFO L87 Difference]: Start difference. First operand 1666 states and 2147 transitions. Second operand 7 states. [2020-10-14 03:17:49,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:17:49,480 INFO L93 Difference]: Finished difference Result 3606 states and 4817 transitions. [2020-10-14 03:17:49,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:17:49,481 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 193 [2020-10-14 03:17:49,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:17:49,493 INFO L225 Difference]: With dead ends: 3606 [2020-10-14 03:17:49,493 INFO L226 Difference]: Without dead ends: 1754 [2020-10-14 03:17:49,499 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:17:49,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1754 states. [2020-10-14 03:17:49,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1754 to 1690. [2020-10-14 03:17:49,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1690 states. [2020-10-14 03:17:49,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1690 states and 2186 transitions. [2020-10-14 03:17:49,569 INFO L78 Accepts]: Start accepts. Automaton has 1690 states and 2186 transitions. Word has length 193 [2020-10-14 03:17:49,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:17:49,569 INFO L479 AbstractCegarLoop]: Abstraction has 1690 states and 2186 transitions. [2020-10-14 03:17:49,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:17:49,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 2186 transitions. [2020-10-14 03:17:49,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-14 03:17:49,573 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:17:49,573 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:17:49,573 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 03:17:49,573 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:17:49,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:17:49,574 INFO L82 PathProgramCache]: Analyzing trace with hash 494910482, now seen corresponding path program 1 times [2020-10-14 03:17:49,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:17:49,574 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [866166053] [2020-10-14 03:17:49,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:17:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:49,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:49,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:50,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:50,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:50,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:51,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:51,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-14 03:17:51,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:17:51,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2296 [2020-10-14 03:17:51,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:51,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:51,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:51,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-14 03:17:51,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 03:17:51,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 03:17:52,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:17:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:52,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:52,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:52,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:17:52,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:52,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:17:52,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:52,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:52,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:52,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:52,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:52,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:52,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:17:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:52,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:52,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:52,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 03:17:52,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:52,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 03:17:52,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:52,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:52,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:52,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:52,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 03:17:52,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:52,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 03:17:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:52,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:52,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:52,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:17:52,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:52,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-14 03:17:52,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:52,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:52,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:52,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:17:52,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 03:17:52,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:52,425 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:17:52,425 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [866166053] [2020-10-14 03:17:52,425 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:17:52,425 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:17:52,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828508760] [2020-10-14 03:17:52,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:17:52,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:17:52,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:17:52,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:17:52,427 INFO L87 Difference]: Start difference. First operand 1690 states and 2186 transitions. Second operand 7 states. [2020-10-14 03:17:54,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:17:54,113 INFO L93 Difference]: Finished difference Result 3592 states and 4644 transitions. [2020-10-14 03:17:54,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:17:54,114 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 205 [2020-10-14 03:17:54,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:17:54,122 INFO L225 Difference]: With dead ends: 3592 [2020-10-14 03:17:54,122 INFO L226 Difference]: Without dead ends: 1712 [2020-10-14 03:17:54,127 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:17:54,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2020-10-14 03:17:54,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1690. [2020-10-14 03:17:54,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1690 states. [2020-10-14 03:17:54,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1690 states and 1869 transitions. [2020-10-14 03:17:54,177 INFO L78 Accepts]: Start accepts. Automaton has 1690 states and 1869 transitions. Word has length 205 [2020-10-14 03:17:54,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:17:54,177 INFO L479 AbstractCegarLoop]: Abstraction has 1690 states and 1869 transitions. [2020-10-14 03:17:54,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:17:54,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 1869 transitions. [2020-10-14 03:17:54,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2020-10-14 03:17:54,185 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:17:54,185 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2020-10-14 03:17:54,186 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 03:17:54,186 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:17:54,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:17:54,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1173017918, now seen corresponding path program 1 times [2020-10-14 03:17:54,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:17:54,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2109177426] [2020-10-14 03:17:54,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:17:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:54,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:54,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:54,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:57,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:57,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:57,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:59,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:59,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 424 [2020-10-14 03:17:59,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 03:17:59,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 03:17:59,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:59,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:59,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:59,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 03:17:59,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:17:59,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:59,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:17:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:59,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:59,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:59,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:17:59,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:59,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:17:59,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:59,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:59,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:59,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:59,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:59,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:59,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:17:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:59,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:59,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:59,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:17:59,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:59,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 03:17:59,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:59,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:59,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:59,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:59,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 03:17:59,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:59,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:17:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:59,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:59,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:59,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:17:59,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:59,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 218 [2020-10-14 03:17:59,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:59,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:59,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:59,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:17:59,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:17:59,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:59,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2020-10-14 03:17:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:59,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:59,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:59,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:17:59,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:59,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 03:17:59,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:59,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:59,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:59,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 03:17:59,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:59,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:00,281 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 204 proven. 82 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-14 03:18:00,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2109177426] [2020-10-14 03:18:00,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:18:00,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:18:00,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462422471] [2020-10-14 03:18:00,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:18:00,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:18:00,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:18:00,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:18:00,292 INFO L87 Difference]: Start difference. First operand 1690 states and 1869 transitions. Second operand 7 states. [2020-10-14 03:18:01,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:18:01,703 INFO L93 Difference]: Finished difference Result 4114 states and 4603 transitions. [2020-10-14 03:18:01,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:18:01,706 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 410 [2020-10-14 03:18:01,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:18:01,716 INFO L225 Difference]: With dead ends: 4114 [2020-10-14 03:18:01,716 INFO L226 Difference]: Without dead ends: 2430 [2020-10-14 03:18:01,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:18:01,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2430 states. [2020-10-14 03:18:01,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2430 to 2424. [2020-10-14 03:18:01,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2424 states. [2020-10-14 03:18:01,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2424 states to 2424 states and 2641 transitions. [2020-10-14 03:18:01,779 INFO L78 Accepts]: Start accepts. Automaton has 2424 states and 2641 transitions. Word has length 410 [2020-10-14 03:18:01,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:18:01,780 INFO L479 AbstractCegarLoop]: Abstraction has 2424 states and 2641 transitions. [2020-10-14 03:18:01,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:18:01,780 INFO L276 IsEmpty]: Start isEmpty. Operand 2424 states and 2641 transitions. [2020-10-14 03:18:01,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2020-10-14 03:18:01,793 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:18:01,794 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 03:18:01,794 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 03:18:01,794 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:18:01,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:18:01,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1860635938, now seen corresponding path program 1 times [2020-10-14 03:18:01,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:18:01,795 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [916619287] [2020-10-14 03:18:01,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:18:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:01,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:01,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:02,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:03,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:06,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:06,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 559 [2020-10-14 03:18:06,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:18:06,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5063 [2020-10-14 03:18:06,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:06,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:06,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:06,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 255 [2020-10-14 03:18:06,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:18:06,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:07,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:18:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:07,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:07,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:07,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:18:07,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:07,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:18:07,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:07,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:07,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:07,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:07,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:07,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:07,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:18:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:07,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:07,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:07,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:18:07,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:07,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:18:07,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:07,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:07,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:07,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:07,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:07,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:07,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:18:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:07,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:07,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:07,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 03:18:07,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:07,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-14 03:18:07,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:07,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:07,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:18:07,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:07,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 03:18:07,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:07,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-14 03:18:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:07,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:07,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:07,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:18:07,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:07,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-10-14 03:18:07,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:07,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:07,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:07,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:18:07,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:18:07,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:07,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-10-14 03:18:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:07,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:07,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:07,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:18:07,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:07,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 03:18:07,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:07,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:07,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:07,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 03:18:07,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:07,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:08,175 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 374 proven. 82 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2020-10-14 03:18:08,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [916619287] [2020-10-14 03:18:08,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:18:08,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:18:08,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945944529] [2020-10-14 03:18:08,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:18:08,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:18:08,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:18:08,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:18:08,178 INFO L87 Difference]: Start difference. First operand 2424 states and 2641 transitions. Second operand 8 states. [2020-10-14 03:18:10,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:18:10,189 INFO L93 Difference]: Finished difference Result 5036 states and 5526 transitions. [2020-10-14 03:18:10,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:18:10,190 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 543 [2020-10-14 03:18:10,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:18:10,200 INFO L225 Difference]: With dead ends: 5036 [2020-10-14 03:18:10,201 INFO L226 Difference]: Without dead ends: 2800 [2020-10-14 03:18:10,206 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-14 03:18:10,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2800 states. [2020-10-14 03:18:10,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2800 to 2798. [2020-10-14 03:18:10,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2798 states. [2020-10-14 03:18:10,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2798 states to 2798 states and 3018 transitions. [2020-10-14 03:18:10,271 INFO L78 Accepts]: Start accepts. Automaton has 2798 states and 3018 transitions. Word has length 543 [2020-10-14 03:18:10,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:18:10,272 INFO L479 AbstractCegarLoop]: Abstraction has 2798 states and 3018 transitions. [2020-10-14 03:18:10,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:18:10,273 INFO L276 IsEmpty]: Start isEmpty. Operand 2798 states and 3018 transitions. [2020-10-14 03:18:10,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2020-10-14 03:18:10,291 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:18:10,292 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, 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, 3, 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] [2020-10-14 03:18:10,292 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 03:18:10,292 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:18:10,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:18:10,293 INFO L82 PathProgramCache]: Analyzing trace with hash -940565714, now seen corresponding path program 1 times [2020-10-14 03:18:10,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:18:10,293 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1693996179] [2020-10-14 03:18:10,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:18:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:10,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:10,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:11,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:13,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:13,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:15,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:15,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:15,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 654 [2020-10-14 03:18:15,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 03:18:15,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5105 [2020-10-14 03:18:15,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:15,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:15,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:15,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 350 [2020-10-14 03:18:15,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:18:15,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:15,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:18:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:15,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:15,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:15,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:18:15,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:15,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:18:15,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:15,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:15,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:15,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:15,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:15,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:15,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:18:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:15,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:15,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:15,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:18:15,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:15,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:18:15,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:15,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:15,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:15,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:15,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:15,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:15,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:18:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:15,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:15,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:15,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:18:15,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:15,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 03:18:15,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:15,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:15,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:15,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:15,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:15,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:15,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:18:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:15,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:15,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:15,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:18:15,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:15,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 03:18:15,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:15,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:15,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:18:15,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:15,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-14 03:18:15,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:15,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:18:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:15,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:16,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:16,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:18:16,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:16,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-14 03:18:16,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:16,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:16,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:16,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:18:16,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:18:16,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:16,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2020-10-14 03:18:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:16,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:16,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:16,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:18:16,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:16,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 03:18:16,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:16,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:16,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:16,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 03:18:16,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:16,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:16,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 504 proven. 82 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2020-10-14 03:18:16,571 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1693996179] [2020-10-14 03:18:16,571 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:18:16,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:18:16,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277843899] [2020-10-14 03:18:16,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:18:16,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:18:16,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:18:16,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:18:16,573 INFO L87 Difference]: Start difference. First operand 2798 states and 3018 transitions. Second operand 7 states. [2020-10-14 03:18:17,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:18:17,814 INFO L93 Difference]: Finished difference Result 6324 states and 6889 transitions. [2020-10-14 03:18:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:18:17,815 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 636 [2020-10-14 03:18:17,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:18:17,829 INFO L225 Difference]: With dead ends: 6324 [2020-10-14 03:18:17,829 INFO L226 Difference]: Without dead ends: 3714 [2020-10-14 03:18:17,836 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:18:17,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3714 states. [2020-10-14 03:18:17,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3714 to 3708. [2020-10-14 03:18:17,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3708 states. [2020-10-14 03:18:17,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3708 states to 3708 states and 3997 transitions. [2020-10-14 03:18:17,918 INFO L78 Accepts]: Start accepts. Automaton has 3708 states and 3997 transitions. Word has length 636 [2020-10-14 03:18:17,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:18:17,919 INFO L479 AbstractCegarLoop]: Abstraction has 3708 states and 3997 transitions. [2020-10-14 03:18:17,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:18:17,920 INFO L276 IsEmpty]: Start isEmpty. Operand 3708 states and 3997 transitions. [2020-10-14 03:18:17,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 721 [2020-10-14 03:18:17,929 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:18:17,929 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:18:17,930 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 03:18:17,930 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:18:17,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:18:17,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1612126630, now seen corresponding path program 1 times [2020-10-14 03:18:17,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:18:17,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [894645037] [2020-10-14 03:18:17,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:18:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:18,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:18,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:18,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:18,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:19,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:23,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:23,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 738 [2020-10-14 03:18:23,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:18:23,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-14 03:18:23,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:23,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:23,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:23,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 434 [2020-10-14 03:18:23,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:18:23,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:23,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:18:23,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:23,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:23,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:23,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:18:23,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:23,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:18:23,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:23,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:23,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:23,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:23,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:23,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:23,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:18:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:23,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:23,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:23,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:18:23,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:23,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:18:23,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:23,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:23,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:23,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:23,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:23,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:23,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:18:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:23,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:23,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:23,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 03:18:23,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:23,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 03:18:23,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:23,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:23,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:23,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:23,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:23,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:23,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-14 03:18:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:23,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:23,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:23,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:18:23,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:23,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-14 03:18:23,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:23,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:23,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:18:23,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:23,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-14 03:18:23,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:23,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-10-14 03:18:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:23,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:23,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:23,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:18:23,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:23,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-14 03:18:23,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:23,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:23,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:23,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:18:23,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:18:23,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:23,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2020-10-14 03:18:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:23,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:23,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:23,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:18:23,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:23,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:18:23,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:23,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:23,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:23,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 03:18:23,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:23,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:23,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 588 proven. 82 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2020-10-14 03:18:23,907 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [894645037] [2020-10-14 03:18:23,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:18:23,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:18:23,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707319492] [2020-10-14 03:18:23,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:18:23,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:18:23,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:18:23,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:18:23,908 INFO L87 Difference]: Start difference. First operand 3708 states and 3997 transitions. Second operand 7 states. [2020-10-14 03:18:25,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:18:25,269 INFO L93 Difference]: Finished difference Result 7602 states and 8267 transitions. [2020-10-14 03:18:25,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:18:25,270 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 720 [2020-10-14 03:18:25,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:18:25,285 INFO L225 Difference]: With dead ends: 7602 [2020-10-14 03:18:25,286 INFO L226 Difference]: Without dead ends: 4082 [2020-10-14 03:18:25,294 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:18:25,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4082 states. [2020-10-14 03:18:25,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4082 to 4076. [2020-10-14 03:18:25,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4076 states. [2020-10-14 03:18:25,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4076 states to 4076 states and 4435 transitions. [2020-10-14 03:18:25,377 INFO L78 Accepts]: Start accepts. Automaton has 4076 states and 4435 transitions. Word has length 720 [2020-10-14 03:18:25,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:18:25,378 INFO L479 AbstractCegarLoop]: Abstraction has 4076 states and 4435 transitions. [2020-10-14 03:18:25,378 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:18:25,378 INFO L276 IsEmpty]: Start isEmpty. Operand 4076 states and 4435 transitions. [2020-10-14 03:18:25,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 796 [2020-10-14 03:18:25,391 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:18:25,392 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, 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, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:25,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 03:18:25,392 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:18:25,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:18:25,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1482993118, now seen corresponding path program 1 times [2020-10-14 03:18:25,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:18:25,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1459820541] [2020-10-14 03:18:25,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:18:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:25,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:25,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:27,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:27,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:29,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:30,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:30,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 815 [2020-10-14 03:18:30,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:18:30,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-10-14 03:18:30,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:30,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:30,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:30,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 03:18:30,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:18:30,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:30,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:18:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:30,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:30,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:30,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:18:30,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:30,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:18:30,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:30,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:30,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:30,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:30,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:30,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:30,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:18:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:30,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:30,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:30,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:18:30,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:30,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 03:18:30,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:30,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:30,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:30,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:30,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:30,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:30,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:18:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:30,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:30,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:30,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:18:30,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:30,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:18:30,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:30,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:30,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:30,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:30,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:30,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:30,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:18:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:30,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:30,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:30,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:18:30,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:30,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:18:30,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:30,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:30,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:30,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:30,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:30,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:30,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:18:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:30,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:30,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:30,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 03:18:30,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:30,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 03:18:30,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:30,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:30,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:18:30,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:30,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 03:18:30,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:31,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 03:18:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:31,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:31,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:31,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:18:31,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:31,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-14 03:18:31,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:31,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:31,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:31,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:18:31,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:18:31,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:31,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2020-10-14 03:18:31,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:31,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:31,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:31,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:18:31,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:31,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 03:18:31,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:31,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:31,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:31,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 03:18:31,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:31,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:31,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1760 backedges. 700 proven. 82 refuted. 0 times theorem prover too weak. 978 trivial. 0 not checked. [2020-10-14 03:18:31,536 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1459820541] [2020-10-14 03:18:31,536 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:18:31,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:18:31,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804862036] [2020-10-14 03:18:31,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:18:31,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:18:31,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:18:31,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:18:31,538 INFO L87 Difference]: Start difference. First operand 4076 states and 4435 transitions. Second operand 7 states. [2020-10-14 03:18:32,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:18:32,772 INFO L93 Difference]: Finished difference Result 8154 states and 8890 transitions. [2020-10-14 03:18:32,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:18:32,778 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 795 [2020-10-14 03:18:32,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:18:32,793 INFO L225 Difference]: With dead ends: 8154 [2020-10-14 03:18:32,793 INFO L226 Difference]: Without dead ends: 4266 [2020-10-14 03:18:32,802 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:18:32,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4266 states. [2020-10-14 03:18:32,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4266 to 4078. [2020-10-14 03:18:32,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4078 states. [2020-10-14 03:18:32,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4078 states to 4078 states and 4438 transitions. [2020-10-14 03:18:32,876 INFO L78 Accepts]: Start accepts. Automaton has 4078 states and 4438 transitions. Word has length 795 [2020-10-14 03:18:32,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:18:32,878 INFO L479 AbstractCegarLoop]: Abstraction has 4078 states and 4438 transitions. [2020-10-14 03:18:32,878 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:18:32,878 INFO L276 IsEmpty]: Start isEmpty. Operand 4078 states and 4438 transitions. [2020-10-14 03:18:32,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 797 [2020-10-14 03:18:32,888 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:18:32,888 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 03:18:32,888 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 03:18:32,889 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:18:32,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:18:32,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1973023171, now seen corresponding path program 1 times [2020-10-14 03:18:32,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:18:32,890 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [121339020] [2020-10-14 03:18:32,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:18:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:32,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:33,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:33,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:34,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:37,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:37,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 816 [2020-10-14 03:18:37,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:18:37,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-14 03:18:37,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:37,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:37,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:37,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 255 [2020-10-14 03:18:37,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:18:37,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:38,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:18:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:38,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:38,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:38,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:18:38,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:38,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:18:38,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:38,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:38,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:38,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:38,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:38,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:38,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:18:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:38,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:38,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:38,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:18:38,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:38,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 03:18:38,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:38,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:38,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:38,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:38,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:38,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:38,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:18:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:38,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:38,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:38,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 03:18:38,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:38,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-14 03:18:38,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:38,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:38,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:18:38,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:38,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 03:18:38,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:38,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-14 03:18:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:38,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:38,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:38,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:18:38,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:38,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-14 03:18:38,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:38,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:38,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:38,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:18:38,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 03:18:38,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:38,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-10-14 03:18:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:38,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:38,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:38,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:18:38,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:38,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:18:38,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:38,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:38,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:38,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 03:18:38,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:38,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:38,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-10-14 03:18:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:38,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:38,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:38,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:18:38,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:38,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 03:18:38,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:38,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:38,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:38,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 03:18:38,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:38,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:38,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2020-10-14 03:18:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:38,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:38,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:38,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:18:38,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:38,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:18:38,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:38,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:38,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:38,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 03:18:38,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:38,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:39,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1671 backedges. 452 proven. 329 refuted. 0 times theorem prover too weak. 890 trivial. 0 not checked. [2020-10-14 03:18:39,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [121339020] [2020-10-14 03:18:39,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:18:39,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:18:39,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797666583] [2020-10-14 03:18:39,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:18:39,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:18:39,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:18:39,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:18:39,165 INFO L87 Difference]: Start difference. First operand 4078 states and 4438 transitions. Second operand 7 states. [2020-10-14 03:18:40,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:18:40,622 INFO L93 Difference]: Finished difference Result 7972 states and 8693 transitions. [2020-10-14 03:18:40,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:18:40,623 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 796 [2020-10-14 03:18:40,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:18:40,636 INFO L225 Difference]: With dead ends: 7972 [2020-10-14 03:18:40,636 INFO L226 Difference]: Without dead ends: 3892 [2020-10-14 03:18:40,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:18:40,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3892 states. [2020-10-14 03:18:40,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3892 to 3888. [2020-10-14 03:18:40,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3888 states. [2020-10-14 03:18:40,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3888 states to 3888 states and 4191 transitions. [2020-10-14 03:18:40,713 INFO L78 Accepts]: Start accepts. Automaton has 3888 states and 4191 transitions. Word has length 796 [2020-10-14 03:18:40,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:18:40,714 INFO L479 AbstractCegarLoop]: Abstraction has 3888 states and 4191 transitions. [2020-10-14 03:18:40,714 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:18:40,714 INFO L276 IsEmpty]: Start isEmpty. Operand 3888 states and 4191 transitions. [2020-10-14 03:18:40,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 971 [2020-10-14 03:18:40,727 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:18:40,728 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, 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, 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, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:18:40,728 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 03:18:40,728 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:18:40,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:18:40,729 INFO L82 PathProgramCache]: Analyzing trace with hash -241954171, now seen corresponding path program 1 times [2020-10-14 03:18:40,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:18:40,729 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1019108782] [2020-10-14 03:18:40,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:18:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:41,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:41,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:42,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:43,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:43,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 994 [2020-10-14 03:18:43,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:18:43,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2284 [2020-10-14 03:18:43,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:43,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:43,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:43,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 871 [2020-10-14 03:18:43,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 03:18:43,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:43,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:18:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:43,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:43,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:43,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:18:43,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:43,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:18:43,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:43,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:43,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:43,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:43,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:43,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:43,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:18:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:43,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:43,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:43,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:18:43,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:43,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:18:43,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:43,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:43,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:43,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:43,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:43,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:43,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:18:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:43,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:43,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:43,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:18:43,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:43,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:18:43,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:43,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:43,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:43,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:43,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:43,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:43,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:18:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:43,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:43,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:43,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:18:43,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:43,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:18:43,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:43,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:43,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:43,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:43,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:43,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:43,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:18:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:43,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:43,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:43,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:18:43,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:43,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 03:18:43,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:43,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:43,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:43,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:43,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:43,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:43,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:18:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:43,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:43,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:43,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:18:43,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:43,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 03:18:43,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:43,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:43,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:43,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:43,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:43,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:43,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:18:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:43,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:43,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:43,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:18:43,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:43,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 03:18:43,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:43,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:43,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:43,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:43,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:43,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:43,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:18:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:43,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:43,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:43,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:18:43,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:43,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-14 03:18:43,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:43,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:43,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:18:43,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:43,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 03:18:43,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:43,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:18:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:43,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:43,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:43,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:18:43,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:43,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 03:18:43,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:43,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:43,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:43,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:18:43,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 03:18:43,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:44,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2858 backedges. 829 proven. 2 refuted. 0 times theorem prover too weak. 2027 trivial. 0 not checked. [2020-10-14 03:18:44,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1019108782] [2020-10-14 03:18:44,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:18:44,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:18:44,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560586762] [2020-10-14 03:18:44,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:18:44,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:18:44,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:18:44,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:18:44,371 INFO L87 Difference]: Start difference. First operand 3888 states and 4191 transitions. Second operand 7 states. [2020-10-14 03:18:45,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:18:45,682 INFO L93 Difference]: Finished difference Result 7772 states and 8386 transitions. [2020-10-14 03:18:45,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 03:18:45,682 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 970 [2020-10-14 03:18:45,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:18:45,697 INFO L225 Difference]: With dead ends: 7772 [2020-10-14 03:18:45,698 INFO L226 Difference]: Without dead ends: 4072 [2020-10-14 03:18:45,706 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-14 03:18:45,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4072 states. [2020-10-14 03:18:45,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4072 to 4070. [2020-10-14 03:18:45,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4070 states. [2020-10-14 03:18:45,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4070 states to 4070 states and 4323 transitions. [2020-10-14 03:18:45,777 INFO L78 Accepts]: Start accepts. Automaton has 4070 states and 4323 transitions. Word has length 970 [2020-10-14 03:18:45,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:18:45,778 INFO L479 AbstractCegarLoop]: Abstraction has 4070 states and 4323 transitions. [2020-10-14 03:18:45,778 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:18:45,779 INFO L276 IsEmpty]: Start isEmpty. Operand 4070 states and 4323 transitions. [2020-10-14 03:18:45,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1006 [2020-10-14 03:18:45,793 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:18:45,794 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:18:45,794 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 03:18:45,795 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:18:45,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:18:45,795 INFO L82 PathProgramCache]: Analyzing trace with hash -355661278, now seen corresponding path program 1 times [2020-10-14 03:18:45,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:18:45,796 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [450107418] [2020-10-14 03:18:45,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:18:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:46,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:46,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:48,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:48,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1029 [2020-10-14 03:18:48,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:18:48,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2108 [2020-10-14 03:18:48,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:48,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:48,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:48,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 991 [2020-10-14 03:18:48,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 03:18:48,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:48,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:18:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:48,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:48,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:48,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:18:48,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:48,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:18:48,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:48,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:48,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:48,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:48,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:48,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:48,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:18:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:48,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:48,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:48,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:18:48,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:48,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:18:48,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:48,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:48,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:48,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:48,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:48,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:48,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:18:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:48,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:48,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:48,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:18:48,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:48,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:18:48,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:48,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:48,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:48,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:48,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:48,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:48,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:18:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:48,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:48,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:48,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:18:48,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:48,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:18:48,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:48,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:48,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:48,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:48,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:48,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:48,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:18:48,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:48,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:48,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:48,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:18:48,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:48,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:18:48,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:48,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:48,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:48,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:48,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:48,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:48,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:18:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:48,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:48,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:48,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:18:48,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:48,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 03:18:48,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:48,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:48,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:48,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:48,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:48,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:48,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:18:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:48,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:48,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:48,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:18:48,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:48,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:18:48,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:48,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:48,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:48,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:48,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:48,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:48,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:18:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:48,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:48,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:48,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:18:48,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:48,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-14 03:18:48,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:48,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:48,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:48,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:48,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:48,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:48,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:18:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:48,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:48,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:48,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:18:48,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:48,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 03:18:48,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:48,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:48,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:18:48,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:48,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 03:18:48,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:49,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3015 backedges. 261 proven. 8 refuted. 0 times theorem prover too weak. 2746 trivial. 0 not checked. [2020-10-14 03:18:49,187 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [450107418] [2020-10-14 03:18:49,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:18:49,188 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:18:49,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138091073] [2020-10-14 03:18:49,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:18:49,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:18:49,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:18:49,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:18:49,190 INFO L87 Difference]: Start difference. First operand 4070 states and 4323 transitions. Second operand 5 states. [2020-10-14 03:18:50,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:18:50,245 INFO L93 Difference]: Finished difference Result 8864 states and 9494 transitions. [2020-10-14 03:18:50,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:18:50,246 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1005 [2020-10-14 03:18:50,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:18:50,259 INFO L225 Difference]: With dead ends: 8864 [2020-10-14 03:18:50,259 INFO L226 Difference]: Without dead ends: 4982 [2020-10-14 03:18:50,267 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 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 03:18:50,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4982 states. [2020-10-14 03:18:50,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4982 to 4982. [2020-10-14 03:18:50,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4982 states. [2020-10-14 03:18:50,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4982 states to 4982 states and 5309 transitions. [2020-10-14 03:18:50,346 INFO L78 Accepts]: Start accepts. Automaton has 4982 states and 5309 transitions. Word has length 1005 [2020-10-14 03:18:50,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:18:50,347 INFO L479 AbstractCegarLoop]: Abstraction has 4982 states and 5309 transitions. [2020-10-14 03:18:50,347 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:18:50,347 INFO L276 IsEmpty]: Start isEmpty. Operand 4982 states and 5309 transitions. [2020-10-14 03:18:50,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1089 [2020-10-14 03:18:50,363 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:18:50,364 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, 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, 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, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:18:50,364 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 03:18:50,364 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:18:50,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:18:50,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1935974590, now seen corresponding path program 1 times [2020-10-14 03:18:50,365 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:18:50,365 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [437918845] [2020-10-14 03:18:50,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:18:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:50,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:50,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:53,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:54,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:55,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:55,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1114 [2020-10-14 03:18:55,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:18:55,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5057 [2020-10-14 03:18:55,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:55,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:55,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:55,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 991 [2020-10-14 03:18:55,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 03:18:55,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:55,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:18:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:55,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:55,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:55,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:18:55,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:55,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:18:55,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:55,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:55,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:55,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:55,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:55,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:55,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:18:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:55,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:55,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:55,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:18:55,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:55,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:18:55,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:55,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:55,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:55,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:55,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:55,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:55,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:18:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:55,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:55,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:55,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:18:55,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:55,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 03:18:55,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:55,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:55,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:55,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:55,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:55,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:55,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:18:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:55,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:55,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:55,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:18:55,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:55,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 03:18:55,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:55,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:55,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:55,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:55,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:55,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:55,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:18:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:55,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:55,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:55,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:18:55,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:55,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:18:55,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:55,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:55,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:55,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:55,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:55,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:55,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:18:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:55,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:55,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:55,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:18:55,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:55,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 03:18:55,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:55,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:55,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:55,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:55,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:55,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:55,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:18:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:55,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:55,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:55,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:18:55,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:55,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 03:18:55,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:55,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:55,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:55,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:55,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:55,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:55,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:18:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:55,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:56,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:56,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:18:56,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:56,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 03:18:56,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:56,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:56,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:56,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:56,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:56,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:56,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:18:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:56,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:56,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:56,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:18:56,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:56,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 03:18:56,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:56,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:56,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:18:56,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:56,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 03:18:56,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:56,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 03:18:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:56,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:56,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:56,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:18:56,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:56,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 03:18:56,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:56,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:56,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:56,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:18:56,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 03:18:56,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:56,773 INFO L134 CoverageAnalysis]: Checked inductivity of 3701 backedges. 945 proven. 2 refuted. 0 times theorem prover too weak. 2754 trivial. 0 not checked. [2020-10-14 03:18:56,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [437918845] [2020-10-14 03:18:56,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:18:56,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:18:56,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385359282] [2020-10-14 03:18:56,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:18:56,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:18:56,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:18:56,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:18:56,776 INFO L87 Difference]: Start difference. First operand 4982 states and 5309 transitions. Second operand 7 states. [2020-10-14 03:18:58,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:18:58,239 INFO L93 Difference]: Finished difference Result 9782 states and 10436 transitions. [2020-10-14 03:18:58,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:18:58,242 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1088 [2020-10-14 03:18:58,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:18:58,257 INFO L225 Difference]: With dead ends: 9782 [2020-10-14 03:18:58,257 INFO L226 Difference]: Without dead ends: 4988 [2020-10-14 03:18:58,267 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:18:58,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4988 states. [2020-10-14 03:18:58,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4988 to 4984. [2020-10-14 03:18:58,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4984 states. [2020-10-14 03:18:58,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4984 states to 4984 states and 5303 transitions. [2020-10-14 03:18:58,358 INFO L78 Accepts]: Start accepts. Automaton has 4984 states and 5303 transitions. Word has length 1088 [2020-10-14 03:18:58,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:18:58,359 INFO L479 AbstractCegarLoop]: Abstraction has 4984 states and 5303 transitions. [2020-10-14 03:18:58,359 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:18:58,360 INFO L276 IsEmpty]: Start isEmpty. Operand 4984 states and 5303 transitions. [2020-10-14 03:18:58,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1098 [2020-10-14 03:18:58,384 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:18:58,385 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, 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, 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, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:18:58,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 03:18:58,385 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:18:58,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:18:58,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1599450729, now seen corresponding path program 1 times [2020-10-14 03:18:58,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:18:58,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1377745167] [2020-10-14 03:18:58,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:18:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:58,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:59,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:01,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:02,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:02,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:03,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:03,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1123 [2020-10-14 03:19:03,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:19:03,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-10-14 03:19:03,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:03,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:03,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:03,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1000 [2020-10-14 03:19:03,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 03:19:03,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:03,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:03,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:03,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:03,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:03,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:03,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:19:03,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:03,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:03,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:03,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:03,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:03,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:03,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:19:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:03,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:03,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:03,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:19:03,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:03,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:19:03,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:03,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:03,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:03,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:03,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:03,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:03,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:19:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:03,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:03,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:03,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:19:03,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:03,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:19:03,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:03,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:03,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:03,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:03,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:03,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:03,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:19:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:03,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:03,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:03,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:19:03,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:03,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:19:03,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:03,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:03,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:03,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:03,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:03,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:03,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:19:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:03,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:03,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:03,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:19:03,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:03,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:19:03,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:03,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:03,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:03,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:03,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:03,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:03,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:19:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:03,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:04,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:04,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:19:04,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:04,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 03:19:04,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:04,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:04,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:04,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:04,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:04,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:04,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:19:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:04,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:04,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:04,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:19:04,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:04,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:19:04,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:04,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:04,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:04,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:04,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:04,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:04,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:19:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:04,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:04,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:04,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:19:04,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:04,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 03:19:04,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:04,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:04,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:04,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:04,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:04,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:04,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:19:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:04,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:04,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:04,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:19:04,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:04,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 03:19:04,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:04,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:04,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:04,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:04,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 03:19:04,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:04,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 984 [2020-10-14 03:19:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:04,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:04,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:04,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:19:04,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:04,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 03:19:04,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:04,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:04,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:04,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:19:04,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 03:19:04,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:05,069 INFO L134 CoverageAnalysis]: Checked inductivity of 3719 backedges. 945 proven. 2 refuted. 0 times theorem prover too weak. 2772 trivial. 0 not checked. [2020-10-14 03:19:05,069 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1377745167] [2020-10-14 03:19:05,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:19:05,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:19:05,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867650652] [2020-10-14 03:19:05,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:19:05,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:05,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:19:05,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:19:05,071 INFO L87 Difference]: Start difference. First operand 4984 states and 5303 transitions. Second operand 7 states. [2020-10-14 03:19:06,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:06,432 INFO L93 Difference]: Finished difference Result 9780 states and 10416 transitions. [2020-10-14 03:19:06,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 03:19:06,432 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1097 [2020-10-14 03:19:06,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:06,443 INFO L225 Difference]: With dead ends: 9780 [2020-10-14 03:19:06,443 INFO L226 Difference]: Without dead ends: 4984 [2020-10-14 03:19:06,452 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-14 03:19:06,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4984 states. [2020-10-14 03:19:06,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4984 to 4984. [2020-10-14 03:19:06,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4984 states. [2020-10-14 03:19:06,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4984 states to 4984 states and 5243 transitions. [2020-10-14 03:19:06,530 INFO L78 Accepts]: Start accepts. Automaton has 4984 states and 5243 transitions. Word has length 1097 [2020-10-14 03:19:06,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:06,531 INFO L479 AbstractCegarLoop]: Abstraction has 4984 states and 5243 transitions. [2020-10-14 03:19:06,531 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:19:06,531 INFO L276 IsEmpty]: Start isEmpty. Operand 4984 states and 5243 transitions. [2020-10-14 03:19:06,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1151 [2020-10-14 03:19:06,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:06,553 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, 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, 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, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:19:06,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 03:19:06,554 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:06,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:06,555 INFO L82 PathProgramCache]: Analyzing trace with hash 4779550, now seen corresponding path program 1 times [2020-10-14 03:19:06,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:06,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1241603846] [2020-10-14 03:19:06,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:06,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:07,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:10,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:10,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:11,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:11,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:11,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1176 [2020-10-14 03:19:11,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:19:11,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5091 [2020-10-14 03:19:11,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:11,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:11,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:11,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1138 [2020-10-14 03:19:11,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 03:19:11,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:12,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:12,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:12,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:12,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:12,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:12,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:19:12,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:12,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:12,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:12,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:12,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:12,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:12,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:19:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:12,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:12,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:12,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:19:12,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:12,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 03:19:12,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:12,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:12,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:12,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:12,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:12,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:12,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:19:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:12,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:12,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:12,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:19:12,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:12,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:19:12,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:12,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:12,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:12,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:12,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:12,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:12,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:19:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:12,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:12,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:12,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:19:12,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:12,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:19:12,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:12,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:12,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:12,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:12,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:12,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:12,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:19:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:12,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:12,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:12,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:19:12,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:12,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:19:12,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:12,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:12,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:12,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:12,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:12,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:12,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:19:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:12,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:12,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:12,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:19:12,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:12,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 03:19:12,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:12,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:12,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:12,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:12,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:12,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:12,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:19:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:12,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:12,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:12,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:19:12,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:12,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:19:12,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:12,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:12,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:12,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:12,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:12,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:12,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:19:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:12,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:12,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:12,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:19:12,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:12,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 03:19:12,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:12,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:12,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:12,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:12,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:12,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:12,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:19:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:12,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:12,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:12,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-14 03:19:12,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:12,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 03:19:12,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:12,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:12,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:12,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:12,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:12,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:12,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1037 [2020-10-14 03:19:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:12,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:12,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:12,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:19:12,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:12,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 03:19:12,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:12,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:12,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:12,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:12,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 03:19:12,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:12,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3821 backedges. 294 proven. 9 refuted. 0 times theorem prover too weak. 3518 trivial. 0 not checked. [2020-10-14 03:19:12,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1241603846] [2020-10-14 03:19:12,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:19:12,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:19:12,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424224395] [2020-10-14 03:19:13,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:19:13,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:13,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:19:13,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:19:13,001 INFO L87 Difference]: Start difference. First operand 4984 states and 5243 transitions. Second operand 5 states. [2020-10-14 03:19:14,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:14,117 INFO L93 Difference]: Finished difference Result 10512 states and 11074 transitions. [2020-10-14 03:19:14,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:19:14,118 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1150 [2020-10-14 03:19:14,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:14,119 INFO L225 Difference]: With dead ends: 10512 [2020-10-14 03:19:14,119 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 03:19:14,133 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 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 03:19:14,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 03:19:14,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 03:19:14,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 03:19:14,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 03:19:14,134 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1150 [2020-10-14 03:19:14,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:14,135 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 03:19:14,135 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:19:14,135 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 03:19:14,135 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 03:19:14,135 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 03:19:14,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 03:19:14,896 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 153 [2020-10-14 03:19:15,220 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 153 [2020-10-14 03:19:16,536 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 197 DAG size of output: 99 [2020-10-14 03:19:17,275 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 69 [2020-10-14 03:19:17,991 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 69 [2020-10-14 03:19:17,996 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:19:17,997 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 03:19:17,997 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:19:17,997 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-14 03:19:17,997 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-14 03:19:17,998 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:17,998 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:17,998 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:17,998 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-14 03:19:17,998 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 03:19:17,998 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 03:19:17,998 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 03:19:17,999 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-14 03:19:17,999 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-14 03:19:17,999 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-14 03:19:17,999 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-14 03:19:17,999 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:17,999 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:17,999 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:17,999 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-14 03:19:18,000 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-14 03:19:18,000 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 03:19:18,000 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 03:19:18,000 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 03:19:18,000 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-14 03:19:18,000 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-14 03:19:18,000 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-14 03:19:18,000 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,000 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,001 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,001 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-14 03:19:18,001 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 03:19:18,001 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 03:19:18,001 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 03:19:18,001 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-14 03:19:18,001 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-14 03:19:18,001 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-14 03:19:18,002 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-14 03:19:18,002 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-14 03:19:18,002 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,002 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,002 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,002 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-14 03:19:18,002 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 03:19:18,002 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 03:19:18,002 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 03:19:18,003 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-14 03:19:18,003 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-14 03:19:18,003 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-14 03:19:18,003 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,003 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,003 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,003 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-14 03:19:18,003 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 03:19:18,004 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 03:19:18,004 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 03:19:18,004 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-14 03:19:18,004 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-14 03:19:18,004 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-14 03:19:18,004 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-14 03:19:18,004 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-14 03:19:18,004 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,004 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,005 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,005 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,005 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-14 03:19:18,005 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 03:19:18,005 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 03:19:18,005 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 03:19:18,005 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-14 03:19:18,005 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-14 03:19:18,005 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-14 03:19:18,006 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-14 03:19:18,006 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,006 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,006 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,006 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 03:19:18,006 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 03:19:18,006 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 03:19:18,006 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-14 03:19:18,006 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-14 03:19:18,007 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-14 03:19:18,007 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-14 03:19:18,007 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-14 03:19:18,007 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,007 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,007 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,007 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-14 03:19:18,007 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-14 03:19:18,007 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 03:19:18,007 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 03:19:18,008 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 03:19:18,008 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-14 03:19:18,008 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse15 (= ~a24~0 1)) (.cse17 (= 8 |old(~a21~0)|)) (.cse20 (= ~a15~0 |old(~a15~0)|)) (.cse14 (= ~a21~0 |old(~a21~0)|)) (.cse19 (= ~a24~0 |old(~a24~0)|)) (.cse24 (= ~a15~0 8)) (.cse16 (= ~a12~0 |old(~a12~0)|)) (.cse23 (= 7 ~a21~0))) (let ((.cse7 (and .cse19 .cse24 .cse16 .cse23)) (.cse1 (not (= 8 |old(~a15~0)|))) (.cse2 (and .cse19 .cse14 .cse24 .cse16)) (.cse12 (not (<= (+ |old(~a12~0)| 43) 0))) (.cse4 (not (= 7 |old(~a21~0)|))) (.cse5 (and .cse19 .cse16 .cse23 .cse20)) (.cse10 (not (<= 10 |old(~a21~0)|))) (.cse9 (not (<= |old(~a12~0)| 11))) (.cse8 (not (<= 0 (+ |old(~a12~0)| 41)))) (.cse0 (not (= 10 |old(~a21~0)|))) (.cse3 (not (<= 80 |old(~a12~0)|))) (.cse13 (not (= |old(~a24~0)| 1))) (.cse21 (not .cse17)) (.cse18 (not (= 9 |old(~a15~0)|))) (.cse22 (and .cse15 (= ~a21~0 8) .cse16 .cse20)) (.cse11 (and .cse19 .cse14 .cse16 .cse20)) (.cse6 (not (<= |old(~a15~0)| 5)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse4 .cse7 .cse1 .cse8 .cse9) (or .cse10 .cse11 .cse8 .cse9) (or .cse4 .cse7 .cse1 .cse12) (or .cse10 .cse1 .cse2 .cse9) (or .cse13 (and (= 5 ~a15~0) .cse14 .cse15 .cse16) (not (= 5 |old(~a15~0)|))) (or .cse17 .cse11 .cse12 .cse6) (or .cse4 .cse5 .cse18 .cse8) (or (and .cse19 (= ~a21~0 9) .cse16 .cse20) (not (= 9 |old(~a21~0)|))) (or .cse13 .cse21 .cse8 .cse22) (or .cse11 (not (= 7 |old(~a15~0)|))) (or .cse10 .cse11 .cse18 .cse9) (or .cse13 (and (= ~a21~0 6) .cse15 .cse16 .cse20) .cse8 (not (= 6 |old(~a21~0)|))) (or .cse0 .cse11 .cse18 .cse3) (or .cse13 .cse21 .cse18 .cse22) (or (not (<= |old(~a24~0)| 1)) .cse11 (not (<= (+ |old(~a12~0)| 596165) 0)) .cse6)))) [2020-10-14 03:19:18,008 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-14 03:19:18,009 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-14 03:19:18,009 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,009 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,009 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,009 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 03:19:18,009 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 03:19:18,009 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 03:19:18,009 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-14 03:19:18,009 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-14 03:19:18,009 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-14 03:19:18,010 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-14 03:19:18,010 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-14 03:19:18,010 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,010 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,010 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,010 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-14 03:19:18,010 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-14 03:19:18,010 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 03:19:18,011 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 03:19:18,011 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 03:19:18,011 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-14 03:19:18,011 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-14 03:19:18,011 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-14 03:19:18,011 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,011 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,011 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,011 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-14 03:19:18,011 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 03:19:18,012 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 03:19:18,012 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 03:19:18,012 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-14 03:19:18,012 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-14 03:19:18,012 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-14 03:19:18,012 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-14 03:19:18,012 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,012 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,012 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,012 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-14 03:19:18,013 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 03:19:18,013 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 03:19:18,013 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 03:19:18,013 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-14 03:19:18,013 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-14 03:19:18,013 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-14 03:19:18,013 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-14 03:19:18,013 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,013 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,013 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-14 03:19:18,014 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 03:19:18,014 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 03:19:18,014 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-14 03:19:18,014 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-14 03:19:18,014 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-14 03:19:18,014 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-14 03:19:18,014 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-14 03:19:18,015 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 100) no Hoare annotation was computed. [2020-10-14 03:19:18,015 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,015 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,015 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-14 03:19:18,015 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 03:19:18,015 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 03:19:18,015 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-14 03:19:18,015 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-14 03:19:18,015 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-14 03:19:18,015 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,016 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,016 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-14 03:19:18,016 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-14 03:19:18,016 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 03:19:18,016 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 03:19:18,016 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-14 03:19:18,016 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-14 03:19:18,016 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-14 03:19:18,016 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-14 03:19:18,016 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,016 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,017 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-14 03:19:18,017 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-14 03:19:18,017 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 03:19:18,017 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 03:19:18,017 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-14 03:19:18,017 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-14 03:19:18,017 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-14 03:19:18,017 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,017 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,017 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,018 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-14 03:19:18,018 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-14 03:19:18,018 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 03:19:18,018 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 03:19:18,018 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-14 03:19:18,018 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-14 03:19:18,018 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,018 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,018 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 03:19:18,019 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,019 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-14 03:19:18,019 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-14 03:19:18,019 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-14 03:19:18,019 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 03:19:18,019 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 03:19:18,019 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 03:19:18,019 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-14 03:19:18,019 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-14 03:19:18,019 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-14 03:19:18,020 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-14 03:19:18,020 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,020 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,020 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,020 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-14 03:19:18,020 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 03:19:18,020 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 03:19:18,020 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 03:19:18,020 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-14 03:19:18,020 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-14 03:19:18,021 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-14 03:19:18,021 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-14 03:19:18,021 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,021 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,021 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,021 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-14 03:19:18,021 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-14 03:19:18,021 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 03:19:18,021 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 03:19:18,021 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 03:19:18,021 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-14 03:19:18,022 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-14 03:19:18,022 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-14 03:19:18,022 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,022 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,022 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,022 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-14 03:19:18,022 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 03:19:18,022 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 03:19:18,022 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 03:19:18,023 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-14 03:19:18,023 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-14 03:19:18,023 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-14 03:19:18,023 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-14 03:19:18,023 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-14 03:19:18,023 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,023 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,023 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:18,023 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-14 03:19:18,023 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 03:19:18,024 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 03:19:18,024 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 03:19:18,024 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-14 03:19:18,024 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:19:18,024 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (<= (+ ~a12~0 43) 0) (= 7 ~a21~0)) [2020-10-14 03:19:18,024 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 03:19:18,024 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:19:18,024 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (and (= ~a24~0 |old(~a24~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0)) (not (= 8 |old(~a15~0)|)) (not (<= (+ |old(~a12~0)| 43) 0))) [2020-10-14 03:19:18,025 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:19:18,025 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (= ~a21~0 10)) (.cse1 (<= 80 ~a12~0)) (.cse2 (= ~a15~0 9)) (.cse7 (= ~a24~0 1)) (.cse9 (<= ~a15~0 5)) (.cse8 (= ~a21~0 8)) (.cse5 (<= 10 ~a21~0)) (.cse6 (<= 0 (+ ~a12~0 41))) (.cse4 (= ~a15~0 8)) (.cse3 (<= ~a12~0 11)) (.cse10 (= 7 ~a21~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse6 (= ~a21~0 6) .cse7) (and .cse7 .cse8 .cse2) (not (= 8 |old(~a15~0)|)) (and .cse0 .cse1 .cse4) (and (= 5 ~a15~0) .cse7) (= 7 ~a15~0) (not (= 7 |old(~a21~0)|)) (and .cse9 .cse10) (and .cse3 .cse5 .cse2) (and (= ~a24~0 |old(~a24~0)|) .cse4 (= ~a12~0 |old(~a12~0)|) .cse10) (and .cse6 .cse10 .cse2) (= ~a21~0 9) (and .cse6 .cse7 .cse8) (not (<= (+ |old(~a12~0)| 43) 0)) (and .cse9 (<= ~a24~0 1) (<= (+ ~a12~0 596165) 0)) (and .cse9 (<= (+ ~a12~0 43) 0) (not .cse8)) (and .cse6 .cse3 .cse5) (and .cse6 .cse4 .cse3 .cse10))) [2020-10-14 03:19:18,025 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-14 03:19:18,025 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-14 03:19:18,026 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (= ~a21~0 10)) (.cse1 (<= 80 ~a12~0)) (.cse2 (= ~a15~0 9)) (.cse7 (= ~a24~0 1)) (.cse9 (<= ~a15~0 5)) (.cse8 (= ~a21~0 8)) (.cse5 (<= 10 ~a21~0)) (.cse6 (<= 0 (+ ~a12~0 41))) (.cse4 (= ~a15~0 8)) (.cse3 (<= ~a12~0 11)) (.cse10 (= 7 ~a21~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse6 (= ~a21~0 6) .cse7) (and .cse7 .cse8 .cse2) (not (= 8 |old(~a15~0)|)) (and .cse0 .cse1 .cse4) (and (= 5 ~a15~0) .cse7) (= 7 ~a15~0) (not (= 7 |old(~a21~0)|)) (and .cse9 .cse10) (and .cse3 .cse5 .cse2) (and (= ~a24~0 |old(~a24~0)|) .cse4 (= ~a12~0 |old(~a12~0)|) .cse10) (and .cse6 .cse10 .cse2) (= ~a21~0 9) (and .cse6 .cse7 .cse8) (not (<= (+ |old(~a12~0)| 43) 0)) (and .cse9 (<= ~a24~0 1) (<= (+ ~a12~0 596165) 0)) (and .cse9 (<= (+ ~a12~0 43) 0) (not .cse8)) (and .cse6 .cse3 .cse5) (and .cse6 .cse4 .cse3 .cse10))) [2020-10-14 03:19:18,026 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:19:18,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 03:19:18 BoogieIcfgContainer [2020-10-14 03:19:18,053 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 03:19:18,055 INFO L168 Benchmark]: Toolchain (without parser) took 112906.56 ms. Allocated memory was 147.8 MB in the beginning and 2.2 GB in the end (delta: 2.1 GB). Free memory was 102.1 MB in the beginning and 704.4 MB in the end (delta: -602.3 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2020-10-14 03:19:18,056 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-14 03:19:18,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 974.87 ms. Allocated memory was 147.8 MB in the beginning and 204.5 MB in the end (delta: 56.6 MB). Free memory was 101.6 MB in the beginning and 159.7 MB in the end (delta: -58.1 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2020-10-14 03:19:18,057 INFO L168 Benchmark]: Boogie Preprocessor took 132.99 ms. Allocated memory is still 204.5 MB. Free memory was 159.7 MB in the beginning and 154.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2020-10-14 03:19:18,058 INFO L168 Benchmark]: RCFGBuilder took 1635.37 ms. Allocated memory was 204.5 MB in the beginning and 233.8 MB in the end (delta: 29.4 MB). Free memory was 154.0 MB in the beginning and 139.3 MB in the end (delta: 14.6 MB). Peak memory consumption was 68.0 MB. Max. memory is 7.1 GB. [2020-10-14 03:19:18,059 INFO L168 Benchmark]: TraceAbstraction took 110158.35 ms. Allocated memory was 233.8 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 139.3 MB in the beginning and 704.4 MB in the end (delta: -565.0 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2020-10-14 03:19:18,062 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 974.87 ms. Allocated memory was 147.8 MB in the beginning and 204.5 MB in the end (delta: 56.6 MB). Free memory was 101.6 MB in the beginning and 159.7 MB in the end (delta: -58.1 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.99 ms. Allocated memory is still 204.5 MB. Free memory was 159.7 MB in the beginning and 154.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1635.37 ms. Allocated memory was 204.5 MB in the beginning and 233.8 MB in the end (delta: 29.4 MB). Free memory was 154.0 MB in the beginning and 139.3 MB in the end (delta: 14.6 MB). Peak memory consumption was 68.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 110158.35 ms. Allocated memory was 233.8 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 139.3 MB in the beginning and 704.4 MB in the end (delta: -565.0 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 100]: 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: ((((((((((((((((((((a21 == 10 && 80 <= a12) && a15 == 9) || ((a12 <= 11 && a15 == 8) && 10 <= a21)) || ((0 <= a12 + 41 && a21 == 6) && a24 == 1)) || ((a24 == 1 && a21 == 8) && a15 == 9)) || !(8 == \old(a15))) || ((a21 == 10 && 80 <= a12) && a15 == 8)) || (5 == a15 && a24 == 1)) || 7 == a15) || !(7 == \old(a21))) || (a15 <= 5 && 7 == a21)) || ((a12 <= 11 && 10 <= a21) && a15 == 9)) || (((a24 == \old(a24) && a15 == 8) && a12 == \old(a12)) && 7 == a21)) || ((0 <= a12 + 41 && 7 == a21) && a15 == 9)) || a21 == 9) || ((0 <= a12 + 41 && a24 == 1) && a21 == 8)) || !(\old(a12) + 43 <= 0)) || ((a15 <= 5 && a24 <= 1) && a12 + 596165 <= 0)) || ((a15 <= 5 && a12 + 43 <= 0) && !(a21 == 8))) || ((0 <= a12 + 41 && a12 <= 11) && 10 <= a21)) || (((0 <= a12 + 41 && a15 == 8) && a12 <= 11) && 7 == a21) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 106.1s, OverallIterations: 19, TraceHistogramMax: 10, AutomataDifference: 28.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 516 SDtfs, 9178 SDslu, 552 SDs, 0 SdLazy, 18272 SolverSat, 1659 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 401 GetRequests, 261 SyntacticMatches, 4 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4984occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 19 MinimizatonAttempts, 510 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 299 PreInvPairs, 381 NumberOfFragments, 882 HoareAnnotationTreeSize, 299 FomulaSimplifications, 103808 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6531 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 69.9s InterpolantComputationTime, 10275 NumberOfCodeBlocks, 10275 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 10256 ConstructedInterpolants, 0 QuantifiedInterpolants, 14757508 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 1 PerfectInterpolantSequences, 23714/24485 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...