/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_label50.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 03:20:50,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 03:20:50,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 03:20:50,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 03:20:50,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 03:20:50,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 03:20:50,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 03:20:50,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 03:20:50,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 03:20:50,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 03:20:50,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 03:20:50,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 03:20:50,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 03:20:50,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 03:20:50,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 03:20:50,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 03:20:50,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 03:20:50,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 03:20:50,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 03:20:50,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 03:20:50,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 03:20:50,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 03:20:50,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 03:20:50,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 03:20:50,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 03:20:50,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 03:20:50,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 03:20:50,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 03:20:50,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 03:20:50,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 03:20:50,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 03:20:50,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 03:20:50,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 03:20:50,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 03:20:50,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 03:20:50,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 03:20:50,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 03:20:50,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 03:20:50,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 03:20:50,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 03:20:50,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 03:20:50,562 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 03:20:50,602 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 03:20:50,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 03:20:50,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 03:20:50,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 03:20:50,605 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 03:20:50,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 03:20:50,605 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 03:20:50,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 03:20:50,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 03:20:50,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 03:20:50,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 03:20:50,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 03:20:50,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 03:20:50,608 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 03:20:50,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 03:20:50,608 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 03:20:50,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 03:20:50,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 03:20:50,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 03:20:50,609 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 03:20:50,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 03:20:50,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 03:20:50,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 03:20:50,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 03:20:50,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 03:20:50,610 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 03:20:50,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 03:20:50,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 03:20:50,611 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 03:20:50,611 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 03:20:50,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 03:20:50,953 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 03:20:50,957 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 03:20:50,958 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 03:20:50,959 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 03:20:50,959 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label50.c [2020-10-14 03:20:51,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/242f0aeb5/6c006160a10949d688fc873c422b9966/FLAG54f4ccd60 [2020-10-14 03:20:51,583 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 03:20:51,584 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label50.c [2020-10-14 03:20:51,599 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/242f0aeb5/6c006160a10949d688fc873c422b9966/FLAG54f4ccd60 [2020-10-14 03:20:51,862 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/242f0aeb5/6c006160a10949d688fc873c422b9966 [2020-10-14 03:20:51,871 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 03:20:51,873 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 03:20:51,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 03:20:51,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 03:20:51,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 03:20:51,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:20:51" (1/1) ... [2020-10-14 03:20:51,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42db8c72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:51, skipping insertion in model container [2020-10-14 03:20:51,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:20:51" (1/1) ... [2020-10-14 03:20:51,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 03:20:51,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 03:20:52,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:20:52,661 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 03:20:52,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:20:52,809 INFO L208 MainTranslator]: Completed translation [2020-10-14 03:20:52,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:52 WrapperNode [2020-10-14 03:20:52,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 03:20:52,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 03:20:52,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 03:20:52,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 03:20:52,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:52" (1/1) ... [2020-10-14 03:20:52,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:52" (1/1) ... [2020-10-14 03:20:52,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:52" (1/1) ... [2020-10-14 03:20:52,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:52" (1/1) ... [2020-10-14 03:20:52,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:52" (1/1) ... [2020-10-14 03:20:52,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:52" (1/1) ... [2020-10-14 03:20:52,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:52" (1/1) ... [2020-10-14 03:20:52,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 03:20:52,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 03:20:52,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 03:20:52,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 03:20:52,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:52" (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 03:20:53,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 03:20:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 03:20:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 03:20:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 03:20:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 03:20:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 03:20:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 03:20:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 03:20:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 03:20:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 03:20:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 03:20:54,557 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 03:20:54,557 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 03:20:54,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:20:54 BoogieIcfgContainer [2020-10-14 03:20:54,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 03:20:54,566 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 03:20:54,566 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 03:20:54,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 03:20:54,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:20:51" (1/3) ... [2020-10-14 03:20:54,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350a75fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:20:54, skipping insertion in model container [2020-10-14 03:20:54,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:52" (2/3) ... [2020-10-14 03:20:54,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350a75fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:20:54, skipping insertion in model container [2020-10-14 03:20:54,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:20:54" (3/3) ... [2020-10-14 03:20:54,573 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label50.c [2020-10-14 03:20:54,584 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 03:20:54,592 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 03:20:54,607 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 03:20:54,633 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 03:20:54,634 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 03:20:54,634 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 03:20:54,634 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 03:20:54,634 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 03:20:54,634 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 03:20:54,635 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 03:20:54,635 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 03:20:54,657 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-14 03:20:54,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-14 03:20:54,666 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:54,667 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:20:54,667 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:54,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:54,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1557712066, now seen corresponding path program 1 times [2020-10-14 03:20:54,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:54,681 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [723426046] [2020-10-14 03:20:54,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:54,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:55,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:55,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-14 03:20:55,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:55,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 311 [2020-10-14 03:20:55,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:55,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:55,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 03:20:55,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 03:20:55,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 03:20:55,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 03:20:55,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:55,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:55,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:55,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:55,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:55,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:55,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:20:55,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:55,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:55,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:55,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:55,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 03:20:55,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:55,311 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 03:20:55,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [723426046] [2020-10-14 03:20:55,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 03:20:55,315 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 03:20:55,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208517916] [2020-10-14 03:20:55,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:20:55,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:55,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:20:55,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:20:55,339 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-10-14 03:20:58,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:58,146 INFO L93 Difference]: Finished difference Result 886 states and 1613 transitions. [2020-10-14 03:20:58,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 03:20:58,152 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2020-10-14 03:20:58,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:58,192 INFO L225 Difference]: With dead ends: 886 [2020-10-14 03:20:58,192 INFO L226 Difference]: Without dead ends: 564 [2020-10-14 03:20:58,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:20:58,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-14 03:20:58,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2020-10-14 03:20:58,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-10-14 03:20:58,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 906 transitions. [2020-10-14 03:20:58,324 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 906 transitions. Word has length 43 [2020-10-14 03:20:58,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:58,324 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 906 transitions. [2020-10-14 03:20:58,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:20:58,325 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 906 transitions. [2020-10-14 03:20:58,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-14 03:20:58,332 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:58,332 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:20:58,333 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 03:20:58,333 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:58,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:58,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1883069890, now seen corresponding path program 1 times [2020-10-14 03:20:58,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:58,337 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [898302981] [2020-10-14 03:20:58,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:58,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:58,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:59,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:59,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-14 03:20:59,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:20:59,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 994 [2020-10-14 03:20:59,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:59,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:59,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:59,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-14 03:20:59,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 03:20:59,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:20:59,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:59,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:59,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:59,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:59,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:59,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:20:59,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:59,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:59,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:59,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:59,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:59,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:59,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:20:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:59,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:59,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:59,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:20:59,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:59,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-14 03:20:59,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:59,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:59,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:59,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:59,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 03:20:59,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:59,683 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:20:59,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [898302981] [2020-10-14 03:20:59,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:20:59,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:20:59,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346995204] [2020-10-14 03:20:59,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:20:59,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:59,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:20:59,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:20:59,688 INFO L87 Difference]: Start difference. First operand 558 states and 906 transitions. Second operand 5 states. [2020-10-14 03:21:01,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:01,546 INFO L93 Difference]: Finished difference Result 1668 states and 2746 transitions. [2020-10-14 03:21:01,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:21:01,546 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2020-10-14 03:21:01,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:01,556 INFO L225 Difference]: With dead ends: 1668 [2020-10-14 03:21:01,556 INFO L226 Difference]: Without dead ends: 1116 [2020-10-14 03:21:01,558 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 03:21:01,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-10-14 03:21:01,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 746. [2020-10-14 03:21:01,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 746 states. [2020-10-14 03:21:01,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1152 transitions. [2020-10-14 03:21:01,610 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1152 transitions. Word has length 129 [2020-10-14 03:21:01,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:01,611 INFO L479 AbstractCegarLoop]: Abstraction has 746 states and 1152 transitions. [2020-10-14 03:21:01,611 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:21:01,611 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1152 transitions. [2020-10-14 03:21:01,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-14 03:21:01,616 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:01,616 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:01,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 03:21:01,617 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:01,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:01,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1079220531, now seen corresponding path program 1 times [2020-10-14 03:21:01,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:01,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1282308755] [2020-10-14 03:21:01,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:01,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:01,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:01,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:02,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:02,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 03:21:02,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:21:02,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1092 [2020-10-14 03:21:02,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:02,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:02,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:02,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-14 03:21:02,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 03:21:02,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:02,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:02,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:02,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:02,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:02,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:02,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:21:02,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:02,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:02,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:02,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:02,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:02,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:02,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:02,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:02,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:02,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 03:21:02,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:02,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 03:21:02,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:02,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:02,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:02,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:02,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 03:21:02,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:02,992 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:21:02,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1282308755] [2020-10-14 03:21:02,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:02,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:21:02,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112488511] [2020-10-14 03:21:02,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:21:02,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:02,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:21:02,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:21:02,995 INFO L87 Difference]: Start difference. First operand 746 states and 1152 transitions. Second operand 5 states. [2020-10-14 03:21:04,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:04,760 INFO L93 Difference]: Finished difference Result 2042 states and 3253 transitions. [2020-10-14 03:21:04,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:21:04,761 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2020-10-14 03:21:04,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:04,769 INFO L225 Difference]: With dead ends: 2042 [2020-10-14 03:21:04,769 INFO L226 Difference]: Without dead ends: 1302 [2020-10-14 03:21:04,771 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:21:04,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1302 states. [2020-10-14 03:21:04,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1302 to 932. [2020-10-14 03:21:04,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 932 states. [2020-10-14 03:21:04,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1397 transitions. [2020-10-14 03:21:04,810 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1397 transitions. Word has length 138 [2020-10-14 03:21:04,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:04,811 INFO L479 AbstractCegarLoop]: Abstraction has 932 states and 1397 transitions. [2020-10-14 03:21:04,812 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:21:04,812 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1397 transitions. [2020-10-14 03:21:04,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-14 03:21:04,816 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:04,817 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:04,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 03:21:04,817 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:04,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:04,818 INFO L82 PathProgramCache]: Analyzing trace with hash -1055251967, now seen corresponding path program 1 times [2020-10-14 03:21:04,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:04,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [140280723] [2020-10-14 03:21:04,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:04,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:05,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:05,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:05,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-14 03:21:05,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:21:05,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 812 [2020-10-14 03:21:05,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:05,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:05,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:05,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-14 03:21:05,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 03:21:05,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-14 03:21:05,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:05,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:05,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:05,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:05,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:05,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:21:05,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:05,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:05,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:05,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:05,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:05,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:05,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:05,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:05,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:05,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-14 03:21:05,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:05,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-14 03:21:05,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:05,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:05,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:05,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:05,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-14 03:21:05,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:06,001 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:21:06,003 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [140280723] [2020-10-14 03:21:06,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:06,004 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:21:06,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018055973] [2020-10-14 03:21:06,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:21:06,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:06,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:21:06,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:21:06,006 INFO L87 Difference]: Start difference. First operand 932 states and 1397 transitions. Second operand 5 states. [2020-10-14 03:21:07,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:07,897 INFO L93 Difference]: Finished difference Result 2418 states and 3766 transitions. [2020-10-14 03:21:07,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:21:07,898 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-10-14 03:21:07,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:07,910 INFO L225 Difference]: With dead ends: 2418 [2020-10-14 03:21:07,910 INFO L226 Difference]: Without dead ends: 1492 [2020-10-14 03:21:07,913 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:21:07,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1492 states. [2020-10-14 03:21:07,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1492 to 1118. [2020-10-14 03:21:07,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1118 states. [2020-10-14 03:21:07,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 1118 states and 1702 transitions. [2020-10-14 03:21:07,994 INFO L78 Accepts]: Start accepts. Automaton has 1118 states and 1702 transitions. Word has length 148 [2020-10-14 03:21:07,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:07,995 INFO L479 AbstractCegarLoop]: Abstraction has 1118 states and 1702 transitions. [2020-10-14 03:21:07,995 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:21:07,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1702 transitions. [2020-10-14 03:21:07,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-14 03:21:07,998 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:07,998 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:07,999 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 03:21:07,999 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:07,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:07,999 INFO L82 PathProgramCache]: Analyzing trace with hash 691510909, now seen corresponding path program 1 times [2020-10-14 03:21:08,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:08,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [329810038] [2020-10-14 03:21:08,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:08,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:08,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:08,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-14 03:21:08,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:08,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 311 [2020-10-14 03:21:08,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:08,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:08,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 03:21:08,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 03:21:08,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 03:21:08,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:08,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:08,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:08,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:08,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:08,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:08,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 03:21:08,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:08,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:08,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:08,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:08,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 03:21:08,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:08,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:08,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:08,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:08,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:21:08,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:08,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-10-14 03:21:08,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:08,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:08,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:08,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:21:08,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 03:21:08,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:08,729 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:21:08,730 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [329810038] [2020-10-14 03:21:08,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 03:21:08,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 03:21:08,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676970882] [2020-10-14 03:21:08,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:21:08,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:08,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:21:08,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:21:08,732 INFO L87 Difference]: Start difference. First operand 1118 states and 1702 transitions. Second operand 7 states. [2020-10-14 03:21:10,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:10,568 INFO L93 Difference]: Finished difference Result 3002 states and 4665 transitions. [2020-10-14 03:21:10,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:21:10,568 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 162 [2020-10-14 03:21:10,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:10,582 INFO L225 Difference]: With dead ends: 3002 [2020-10-14 03:21:10,582 INFO L226 Difference]: Without dead ends: 1890 [2020-10-14 03:21:10,587 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:21:10,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1890 states. [2020-10-14 03:21:10,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1890 to 1678. [2020-10-14 03:21:10,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1678 states. [2020-10-14 03:21:10,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1678 states and 2346 transitions. [2020-10-14 03:21:10,653 INFO L78 Accepts]: Start accepts. Automaton has 1678 states and 2346 transitions. Word has length 162 [2020-10-14 03:21:10,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:10,654 INFO L479 AbstractCegarLoop]: Abstraction has 1678 states and 2346 transitions. [2020-10-14 03:21:10,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:21:10,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 2346 transitions. [2020-10-14 03:21:10,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-14 03:21:10,658 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:10,659 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:21:10,659 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 03:21:10,659 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:10,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:10,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1180151066, now seen corresponding path program 1 times [2020-10-14 03:21:10,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:10,660 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1608659597] [2020-10-14 03:21:10,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:10,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:10,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:10,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:12,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:12,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-14 03:21:12,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:21:12,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2143 [2020-10-14 03:21:12,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:12,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:12,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:12,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 03:21:12,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 03:21:12,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:12,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:12,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:12,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:12,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:12,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:12,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:21:12,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:12,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:12,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:12,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:12,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:12,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:12,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:12,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:12,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:13,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:13,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 03:21:13,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:13,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 03:21:13,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:13,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:13,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:13,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:13,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 03:21:13,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:13,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 03:21:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:13,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:13,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:13,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:21:13,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:13,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-14 03:21:13,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:13,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:13,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:13,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:21:13,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 03:21:13,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:13,341 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 138 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:21:13,342 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1608659597] [2020-10-14 03:21:13,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:13,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:21:13,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468738276] [2020-10-14 03:21:13,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:21:13,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:13,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:21:13,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:21:13,344 INFO L87 Difference]: Start difference. First operand 1678 states and 2346 transitions. Second operand 7 states. [2020-10-14 03:21:15,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:15,392 INFO L93 Difference]: Finished difference Result 4120 states and 5916 transitions. [2020-10-14 03:21:15,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:21:15,399 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 231 [2020-10-14 03:21:15,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:15,412 INFO L225 Difference]: With dead ends: 4120 [2020-10-14 03:21:15,412 INFO L226 Difference]: Without dead ends: 2448 [2020-10-14 03:21:15,417 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 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 03:21:15,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2448 states. [2020-10-14 03:21:15,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2448 to 1870. [2020-10-14 03:21:15,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1870 states. [2020-10-14 03:21:15,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1870 states and 2566 transitions. [2020-10-14 03:21:15,488 INFO L78 Accepts]: Start accepts. Automaton has 1870 states and 2566 transitions. Word has length 231 [2020-10-14 03:21:15,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:15,489 INFO L479 AbstractCegarLoop]: Abstraction has 1870 states and 2566 transitions. [2020-10-14 03:21:15,489 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:21:15,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2566 transitions. [2020-10-14 03:21:15,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-10-14 03:21:15,496 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:15,497 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, 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, 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] [2020-10-14 03:21:15,497 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 03:21:15,497 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:15,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:15,498 INFO L82 PathProgramCache]: Analyzing trace with hash 709561313, now seen corresponding path program 1 times [2020-10-14 03:21:15,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:15,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1202736815] [2020-10-14 03:21:15,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:15,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:15,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:15,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:15,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:15,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:20,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:20,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 328 [2020-10-14 03:21:20,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:21:20,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-14 03:21:20,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:20,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:20,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:20,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-10-14 03:21:20,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 03:21:20,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:20,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:20,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:20,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:20,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:20,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:20,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:21:20,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:20,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:20,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:20,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:20,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:20,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:20,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:20,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:20,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:20,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 03:21:20,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:20,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:21:20,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:20,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:20,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:20,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:20,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:20,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:20,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 03:21:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:20,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:20,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:20,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:21:20,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:20,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 03:21:20,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:20,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:20,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:20,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:20,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 03:21:20,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:20,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-14 03:21:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:20,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:20,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:20,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:21:20,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:20,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-14 03:21:20,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:20,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:20,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:20,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:21:20,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 03:21:20,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:21,131 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 259 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-14 03:21:21,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1202736815] [2020-10-14 03:21:21,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:21,133 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:21:21,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983325761] [2020-10-14 03:21:21,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:21:21,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:21,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:21:21,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:21:21,134 INFO L87 Difference]: Start difference. First operand 1870 states and 2566 transitions. Second operand 7 states. [2020-10-14 03:21:23,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:23,613 INFO L93 Difference]: Finished difference Result 4312 states and 6010 transitions. [2020-10-14 03:21:23,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:21:23,614 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 314 [2020-10-14 03:21:23,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:23,624 INFO L225 Difference]: With dead ends: 4312 [2020-10-14 03:21:23,624 INFO L226 Difference]: Without dead ends: 1896 [2020-10-14 03:21:23,630 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:21:23,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1896 states. [2020-10-14 03:21:23,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1896 to 1866. [2020-10-14 03:21:23,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1866 states. [2020-10-14 03:21:23,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 1866 states and 2522 transitions. [2020-10-14 03:21:23,681 INFO L78 Accepts]: Start accepts. Automaton has 1866 states and 2522 transitions. Word has length 314 [2020-10-14 03:21:23,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:23,682 INFO L479 AbstractCegarLoop]: Abstraction has 1866 states and 2522 transitions. [2020-10-14 03:21:23,682 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:21:23,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1866 states and 2522 transitions. [2020-10-14 03:21:23,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2020-10-14 03:21:23,689 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:23,689 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:23,689 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 03:21:23,689 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:23,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:23,690 INFO L82 PathProgramCache]: Analyzing trace with hash -2016349559, now seen corresponding path program 1 times [2020-10-14 03:21:23,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:23,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1689481330] [2020-10-14 03:21:23,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:23,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:23,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:23,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:23,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:24,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:28,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:28,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 340 [2020-10-14 03:21:28,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:21:28,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-14 03:21:28,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:28,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:28,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:28,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 176 [2020-10-14 03:21:28,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 03:21:28,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:28,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:28,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:28,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:28,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:28,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:28,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:21:28,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:28,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:28,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:28,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:28,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:28,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:28,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:28,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:28,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:28,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 03:21:28,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:28,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 03:21:28,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:28,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:28,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:28,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:28,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:28,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:28,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 03:21:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:28,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:28,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:28,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 03:21:28,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:28,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 03:21:28,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:28,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:28,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:28,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:28,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 03:21:28,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:28,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-14 03:21:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:29,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:29,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:29,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:21:29,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:29,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-14 03:21:29,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:29,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:29,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:29,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:21:29,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 03:21:29,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:29,269 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 271 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-14 03:21:29,270 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1689481330] [2020-10-14 03:21:29,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:29,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:21:29,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569201479] [2020-10-14 03:21:29,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:21:29,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:29,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:21:29,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:21:29,273 INFO L87 Difference]: Start difference. First operand 1866 states and 2522 transitions. Second operand 7 states. [2020-10-14 03:21:31,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:31,321 INFO L93 Difference]: Finished difference Result 4306 states and 5902 transitions. [2020-10-14 03:21:31,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:21:31,322 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 326 [2020-10-14 03:21:31,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:31,335 INFO L225 Difference]: With dead ends: 4306 [2020-10-14 03:21:31,335 INFO L226 Difference]: Without dead ends: 2446 [2020-10-14 03:21:31,340 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 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 03:21:31,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2020-10-14 03:21:31,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 2056. [2020-10-14 03:21:31,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2056 states. [2020-10-14 03:21:31,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2056 states to 2056 states and 2610 transitions. [2020-10-14 03:21:31,405 INFO L78 Accepts]: Start accepts. Automaton has 2056 states and 2610 transitions. Word has length 326 [2020-10-14 03:21:31,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:31,406 INFO L479 AbstractCegarLoop]: Abstraction has 2056 states and 2610 transitions. [2020-10-14 03:21:31,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:21:31,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2056 states and 2610 transitions. [2020-10-14 03:21:31,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-10-14 03:21:31,414 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:31,414 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:21:31,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 03:21:31,415 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:31,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:31,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1543629782, now seen corresponding path program 1 times [2020-10-14 03:21:31,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:31,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [198917465] [2020-10-14 03:21:31,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:31,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:31,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:32,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:35,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:35,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 353 [2020-10-14 03:21:35,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:21:35,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3968 [2020-10-14 03:21:35,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:35,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:35,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:35,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-10-14 03:21:35,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 03:21:35,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:35,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:35,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:35,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:35,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:35,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:35,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:21:35,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:35,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:35,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:35,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:35,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:35,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:35,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:35,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:35,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:35,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:21:35,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:35,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-14 03:21:35,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:35,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:35,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:35,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:35,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 03:21:35,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:35,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:21:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:35,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:35,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:35,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:21:35,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:35,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-14 03:21:35,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:35,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:35,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:35,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:21:35,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 03:21:35,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:36,011 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 188 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:21:36,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [198917465] [2020-10-14 03:21:36,012 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:36,012 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:21:36,012 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349381889] [2020-10-14 03:21:36,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:21:36,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:36,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:21:36,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:21:36,013 INFO L87 Difference]: Start difference. First operand 2056 states and 2610 transitions. Second operand 7 states. [2020-10-14 03:21:38,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:38,001 INFO L93 Difference]: Finished difference Result 4928 states and 6498 transitions. [2020-10-14 03:21:38,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:21:38,002 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 341 [2020-10-14 03:21:38,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:38,015 INFO L225 Difference]: With dead ends: 4928 [2020-10-14 03:21:38,015 INFO L226 Difference]: Without dead ends: 2500 [2020-10-14 03:21:38,022 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:21:38,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2500 states. [2020-10-14 03:21:38,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2500 to 2440. [2020-10-14 03:21:38,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2440 states. [2020-10-14 03:21:38,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2440 states to 2440 states and 3093 transitions. [2020-10-14 03:21:38,098 INFO L78 Accepts]: Start accepts. Automaton has 2440 states and 3093 transitions. Word has length 341 [2020-10-14 03:21:38,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:38,099 INFO L479 AbstractCegarLoop]: Abstraction has 2440 states and 3093 transitions. [2020-10-14 03:21:38,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:21:38,099 INFO L276 IsEmpty]: Start isEmpty. Operand 2440 states and 3093 transitions. [2020-10-14 03:21:38,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-10-14 03:21:38,108 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:38,109 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 03:21:38,109 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 03:21:38,109 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:38,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:38,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1530020566, now seen corresponding path program 1 times [2020-10-14 03:21:38,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:38,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1873637366] [2020-10-14 03:21:38,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:38,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:38,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:38,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:38,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:43,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:43,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 357 [2020-10-14 03:21:43,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:21:43,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 03:21:43,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:43,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:43,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:43,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-10-14 03:21:43,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 03:21:43,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:43,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:43,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:43,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:43,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:43,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:43,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:21:43,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:43,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:43,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:43,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:43,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:43,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:43,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:43,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:43,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:43,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 03:21:43,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:43,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 03:21:43,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:43,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:43,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:43,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:43,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:43,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:43,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 03:21:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:43,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:43,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:43,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 03:21:43,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:43,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 03:21:43,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:43,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:43,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:43,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:43,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 03:21:43,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:43,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-14 03:21:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:43,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:43,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:43,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:21:43,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:43,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-14 03:21:43,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:43,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:43,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:43,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:21:43,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 03:21:43,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:43,733 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 288 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-14 03:21:43,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1873637366] [2020-10-14 03:21:43,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:43,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:21:43,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263479812] [2020-10-14 03:21:43,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:21:43,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:43,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:21:43,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:21:43,736 INFO L87 Difference]: Start difference. First operand 2440 states and 3093 transitions. Second operand 7 states. [2020-10-14 03:21:46,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:46,045 INFO L93 Difference]: Finished difference Result 5510 states and 7273 transitions. [2020-10-14 03:21:46,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 03:21:46,047 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 343 [2020-10-14 03:21:46,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:46,065 INFO L225 Difference]: With dead ends: 5510 [2020-10-14 03:21:46,065 INFO L226 Difference]: Without dead ends: 3076 [2020-10-14 03:21:46,072 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-14 03:21:46,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3076 states. [2020-10-14 03:21:46,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3076 to 2818. [2020-10-14 03:21:46,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2818 states. [2020-10-14 03:21:46,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 2818 states and 3533 transitions. [2020-10-14 03:21:46,158 INFO L78 Accepts]: Start accepts. Automaton has 2818 states and 3533 transitions. Word has length 343 [2020-10-14 03:21:46,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:46,159 INFO L479 AbstractCegarLoop]: Abstraction has 2818 states and 3533 transitions. [2020-10-14 03:21:46,159 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:21:46,159 INFO L276 IsEmpty]: Start isEmpty. Operand 2818 states and 3533 transitions. [2020-10-14 03:21:46,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2020-10-14 03:21:46,170 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:46,171 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:46,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 03:21:46,171 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:46,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:46,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1728396526, now seen corresponding path program 1 times [2020-10-14 03:21:46,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:46,172 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1501723530] [2020-10-14 03:21:46,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:46,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:46,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:46,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:46,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:49,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:49,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 375 [2020-10-14 03:21:49,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:21:49,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3556 [2020-10-14 03:21:49,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:49,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:49,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:49,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 03:21:49,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 03:21:49,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:49,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:49,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:49,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:49,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:49,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:49,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:21:49,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:49,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:49,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:49,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:49,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:49,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:49,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:49,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:49,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:49,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 03:21:49,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:49,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 03:21:49,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:49,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:49,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:49,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:49,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 03:21:49,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:49,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 03:21:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:49,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:50,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:50,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 03:21:50,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:50,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-14 03:21:50,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:50,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:50,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:50,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:21:50,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 03:21:50,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:50,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-14 03:21:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:50,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:50,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:50,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:21:50,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:50,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 03:21:50,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:50,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:50,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:50,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 03:21:50,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:50,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:50,589 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 178 proven. 118 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-14 03:21:50,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1501723530] [2020-10-14 03:21:50,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:50,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:21:50,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726640474] [2020-10-14 03:21:50,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:21:50,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:50,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:21:50,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:21:50,593 INFO L87 Difference]: Start difference. First operand 2818 states and 3533 transitions. Second operand 8 states. [2020-10-14 03:21:52,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:52,712 INFO L93 Difference]: Finished difference Result 5934 states and 7788 transitions. [2020-10-14 03:21:52,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:21:52,713 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 361 [2020-10-14 03:21:52,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:52,730 INFO L225 Difference]: With dead ends: 5934 [2020-10-14 03:21:52,730 INFO L226 Difference]: Without dead ends: 2926 [2020-10-14 03:21:52,738 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:21:52,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2926 states. [2020-10-14 03:21:52,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2926 to 2824. [2020-10-14 03:21:52,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2824 states. [2020-10-14 03:21:52,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 2824 states and 3400 transitions. [2020-10-14 03:21:52,831 INFO L78 Accepts]: Start accepts. Automaton has 2824 states and 3400 transitions. Word has length 361 [2020-10-14 03:21:52,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:52,832 INFO L479 AbstractCegarLoop]: Abstraction has 2824 states and 3400 transitions. [2020-10-14 03:21:52,832 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:21:52,832 INFO L276 IsEmpty]: Start isEmpty. Operand 2824 states and 3400 transitions. [2020-10-14 03:21:52,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2020-10-14 03:21:52,847 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:52,847 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, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:52,848 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 03:21:52,848 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:52,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:52,848 INFO L82 PathProgramCache]: Analyzing trace with hash 14432970, now seen corresponding path program 1 times [2020-10-14 03:21:52,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:52,849 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1594745979] [2020-10-14 03:21:52,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:52,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:52,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:53,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:53,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:57,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:57,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 379 [2020-10-14 03:21:57,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:21:57,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 03:21:57,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:57,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:57,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:57,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 03:21:57,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 03:21:57,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:57,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:57,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:57,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:57,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:57,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:57,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:21:57,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:57,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:57,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:57,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:57,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:57,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:57,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:58,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:58,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:58,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 03:21:58,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:58,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:21:58,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:58,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:58,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:58,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:58,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 03:21:58,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:58,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 03:21:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:58,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:58,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:58,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 03:21:58,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:58,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-14 03:21:58,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:58,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:58,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:58,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:21:58,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 03:21:58,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:58,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-14 03:21:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:58,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:58,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:58,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:21:58,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:58,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 03:21:58,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:58,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:58,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:58,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 03:21:58,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:58,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:58,372 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 182 proven. 118 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-14 03:21:58,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1594745979] [2020-10-14 03:21:58,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:58,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:21:58,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583275150] [2020-10-14 03:21:58,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:21:58,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:58,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:21:58,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:21:58,374 INFO L87 Difference]: Start difference. First operand 2824 states and 3400 transitions. Second operand 7 states. [2020-10-14 03:22:00,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:00,343 INFO L93 Difference]: Finished difference Result 6046 states and 7321 transitions. [2020-10-14 03:22:00,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:22:00,344 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 365 [2020-10-14 03:22:00,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:00,355 INFO L225 Difference]: With dead ends: 6046 [2020-10-14 03:22:00,355 INFO L226 Difference]: Without dead ends: 2648 [2020-10-14 03:22:00,363 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-14 03:22:00,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2648 states. [2020-10-14 03:22:00,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2648 to 2622. [2020-10-14 03:22:00,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2622 states. [2020-10-14 03:22:00,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2622 states to 2622 states and 2894 transitions. [2020-10-14 03:22:00,422 INFO L78 Accepts]: Start accepts. Automaton has 2622 states and 2894 transitions. Word has length 365 [2020-10-14 03:22:00,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:00,422 INFO L479 AbstractCegarLoop]: Abstraction has 2622 states and 2894 transitions. [2020-10-14 03:22:00,422 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:22:00,422 INFO L276 IsEmpty]: Start isEmpty. Operand 2622 states and 2894 transitions. [2020-10-14 03:22:00,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2020-10-14 03:22:00,429 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:00,429 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:22:00,429 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 03:22:00,430 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:00,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:00,430 INFO L82 PathProgramCache]: Analyzing trace with hash 378918885, now seen corresponding path program 1 times [2020-10-14 03:22:00,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:00,430 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [277670588] [2020-10-14 03:22:00,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:00,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:00,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:01,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:04,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:04,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 434 [2020-10-14 03:22:04,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:22:04,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3524 [2020-10-14 03:22:04,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:04,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:04,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:04,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 270 [2020-10-14 03:22:04,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 03:22:04,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:04,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:04,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:04,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:04,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:04,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:04,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 03:22:04,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:04,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:04,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:04,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:04,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:04,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:04,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:04,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:04,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:04,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:04,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:04,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 03:22:04,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:04,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:04,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:04,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:04,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:04,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:04,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:22:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:04,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:04,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:04,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 03:22:04,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:04,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:22:04,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:04,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:04,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:04,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:04,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 03:22:04,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:04,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-14 03:22:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:04,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:04,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:04,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:22:04,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:04,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-14 03:22:04,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:04,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:04,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:04,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:04,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 03:22:04,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:04,526 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 305 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-14 03:22:04,526 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [277670588] [2020-10-14 03:22:04,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:04,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:22:04,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626507190] [2020-10-14 03:22:04,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:22:04,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:04,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:22:04,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:22:04,528 INFO L87 Difference]: Start difference. First operand 2622 states and 2894 transitions. Second operand 8 states. [2020-10-14 03:22:07,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:07,053 INFO L93 Difference]: Finished difference Result 6422 states and 7275 transitions. [2020-10-14 03:22:07,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:22:07,055 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 420 [2020-10-14 03:22:07,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:07,072 INFO L225 Difference]: With dead ends: 6422 [2020-10-14 03:22:07,072 INFO L226 Difference]: Without dead ends: 3614 [2020-10-14 03:22:07,079 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-10-14 03:22:07,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3614 states. [2020-10-14 03:22:07,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3614 to 3166. [2020-10-14 03:22:07,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3166 states. [2020-10-14 03:22:07,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3166 states to 3166 states and 3349 transitions. [2020-10-14 03:22:07,159 INFO L78 Accepts]: Start accepts. Automaton has 3166 states and 3349 transitions. Word has length 420 [2020-10-14 03:22:07,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:07,159 INFO L479 AbstractCegarLoop]: Abstraction has 3166 states and 3349 transitions. [2020-10-14 03:22:07,160 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:22:07,160 INFO L276 IsEmpty]: Start isEmpty. Operand 3166 states and 3349 transitions. [2020-10-14 03:22:07,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2020-10-14 03:22:07,168 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:07,168 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, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 03:22:07,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 03:22:07,169 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:07,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:07,169 INFO L82 PathProgramCache]: Analyzing trace with hash 625971502, now seen corresponding path program 1 times [2020-10-14 03:22:07,169 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:07,170 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1571922238] [2020-10-14 03:22:07,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:07,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:07,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:08,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:10,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:10,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 473 [2020-10-14 03:22:10,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:22:10,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3442 [2020-10-14 03:22:10,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:10,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:10,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:10,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 309 [2020-10-14 03:22:10,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 03:22:10,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:10,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:10,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:10,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:10,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:10,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:10,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:22:10,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:10,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:10,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:10,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:10,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:10,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:10,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:10,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:10,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:10,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:10,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:10,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 03:22:10,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:10,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:10,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:10,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:10,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:10,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:10,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:22:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:10,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:10,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:10,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:22:10,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:10,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 03:22:10,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:10,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:10,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:10,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:10,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 03:22:10,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:10,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2020-10-14 03:22:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:10,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:11,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:11,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:22:11,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:11,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-14 03:22:11,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:11,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:11,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:11,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:11,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 03:22:11,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:11,329 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 344 proven. 2 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2020-10-14 03:22:11,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1571922238] [2020-10-14 03:22:11,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:11,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:22:11,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630965428] [2020-10-14 03:22:11,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:22:11,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:11,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:22:11,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:22:11,331 INFO L87 Difference]: Start difference. First operand 3166 states and 3349 transitions. Second operand 7 states. [2020-10-14 03:22:12,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:12,974 INFO L93 Difference]: Finished difference Result 6788 states and 7343 transitions. [2020-10-14 03:22:12,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:22:12,975 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 459 [2020-10-14 03:22:12,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:12,987 INFO L225 Difference]: With dead ends: 6788 [2020-10-14 03:22:12,987 INFO L226 Difference]: Without dead ends: 3628 [2020-10-14 03:22:12,994 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:22:12,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3628 states. [2020-10-14 03:22:13,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3628 to 3532. [2020-10-14 03:22:13,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3532 states. [2020-10-14 03:22:13,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3532 states to 3532 states and 3721 transitions. [2020-10-14 03:22:13,071 INFO L78 Accepts]: Start accepts. Automaton has 3532 states and 3721 transitions. Word has length 459 [2020-10-14 03:22:13,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:13,072 INFO L479 AbstractCegarLoop]: Abstraction has 3532 states and 3721 transitions. [2020-10-14 03:22:13,072 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:22:13,072 INFO L276 IsEmpty]: Start isEmpty. Operand 3532 states and 3721 transitions. [2020-10-14 03:22:13,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2020-10-14 03:22:13,080 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:13,081 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, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 03:22:13,081 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 03:22:13,081 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:13,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:13,082 INFO L82 PathProgramCache]: Analyzing trace with hash -1695102331, now seen corresponding path program 1 times [2020-10-14 03:22:13,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:13,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1579399424] [2020-10-14 03:22:13,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:13,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:13,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:14,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:14,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:18,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:18,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 482 [2020-10-14 03:22:18,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:22:18,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-14 03:22:18,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:18,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:18,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 03:22:18,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 03:22:18,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-10-14 03:22:18,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:18,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:18,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:18,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:18,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:18,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:18,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:22:18,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:18,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:18,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:18,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:18,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 03:22:18,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:18,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:18,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:18,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:18,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:18,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:18,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-14 03:22:18,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:18,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:18,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:18,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:18,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:22:18,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:18,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:22:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:18,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:18,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:18,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:22:18,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:18,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 03:22:18,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:18,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:18,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:18,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 03:22:18,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:18,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:18,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2020-10-14 03:22:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:18,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:18,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:18,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:22:18,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:18,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 03:22:18,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:18,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:18,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:18,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 03:22:18,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:18,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:18,814 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 108 proven. 236 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2020-10-14 03:22:18,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1579399424] [2020-10-14 03:22:18,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:18,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:22:18,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313285358] [2020-10-14 03:22:18,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:22:18,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:18,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:22:18,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:22:18,816 INFO L87 Difference]: Start difference. First operand 3532 states and 3721 transitions. Second operand 7 states. [2020-10-14 03:22:20,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:20,121 INFO L93 Difference]: Finished difference Result 7612 states and 8018 transitions. [2020-10-14 03:22:20,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:22:20,125 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 468 [2020-10-14 03:22:20,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:20,141 INFO L225 Difference]: With dead ends: 7612 [2020-10-14 03:22:20,142 INFO L226 Difference]: Without dead ends: 4086 [2020-10-14 03:22:20,149 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:22:20,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4086 states. [2020-10-14 03:22:20,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4086 to 3716. [2020-10-14 03:22:20,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3716 states. [2020-10-14 03:22:20,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3716 states to 3716 states and 3908 transitions. [2020-10-14 03:22:20,224 INFO L78 Accepts]: Start accepts. Automaton has 3716 states and 3908 transitions. Word has length 468 [2020-10-14 03:22:20,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:20,224 INFO L479 AbstractCegarLoop]: Abstraction has 3716 states and 3908 transitions. [2020-10-14 03:22:20,225 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:22:20,225 INFO L276 IsEmpty]: Start isEmpty. Operand 3716 states and 3908 transitions. [2020-10-14 03:22:20,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 578 [2020-10-14 03:22:20,237 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:20,237 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:22:20,238 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 03:22:20,238 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:20,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:20,238 INFO L82 PathProgramCache]: Analyzing trace with hash 60030942, now seen corresponding path program 1 times [2020-10-14 03:22:20,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:20,239 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [166735570] [2020-10-14 03:22:20,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:20,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:20,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:20,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:25,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:25,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 593 [2020-10-14 03:22:25,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:22:25,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-14 03:22:25,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:25,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:25,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:25,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-14 03:22:25,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:22:25,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:25,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:25,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:25,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:25,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:25,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:25,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:22:25,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:25,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:25,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:25,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:25,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:25,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:25,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:25,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:25,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:25,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:22:25,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:25,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 03:22:25,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:25,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:25,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:25,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:25,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 03:22:25,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:25,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 03:22:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:25,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:25,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:25,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:25,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:25,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-14 03:22:25,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:25,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:25,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:25,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:25,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:22:25,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:25,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-10-14 03:22:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:25,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:25,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:25,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:22:25,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:25,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 03:22:25,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:25,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:25,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:25,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 03:22:25,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:25,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:25,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2020-10-14 03:22:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:26,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:26,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:26,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:22:26,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:26,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 03:22:26,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:26,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:26,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:26,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 03:22:26,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:26,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:26,265 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 258 proven. 242 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2020-10-14 03:22:26,265 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [166735570] [2020-10-14 03:22:26,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:26,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:22:26,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208891318] [2020-10-14 03:22:26,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:22:26,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:26,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:22:26,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:22:26,267 INFO L87 Difference]: Start difference. First operand 3716 states and 3908 transitions. Second operand 7 states. [2020-10-14 03:22:27,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:27,527 INFO L93 Difference]: Finished difference Result 7428 states and 7816 transitions. [2020-10-14 03:22:27,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:22:27,528 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 577 [2020-10-14 03:22:27,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:27,541 INFO L225 Difference]: With dead ends: 7428 [2020-10-14 03:22:27,541 INFO L226 Difference]: Without dead ends: 3718 [2020-10-14 03:22:27,548 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:22:27,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3718 states. [2020-10-14 03:22:27,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3718 to 3342. [2020-10-14 03:22:27,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3342 states. [2020-10-14 03:22:27,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3342 states to 3342 states and 3472 transitions. [2020-10-14 03:22:27,612 INFO L78 Accepts]: Start accepts. Automaton has 3342 states and 3472 transitions. Word has length 577 [2020-10-14 03:22:27,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:27,612 INFO L479 AbstractCegarLoop]: Abstraction has 3342 states and 3472 transitions. [2020-10-14 03:22:27,613 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:22:27,613 INFO L276 IsEmpty]: Start isEmpty. Operand 3342 states and 3472 transitions. [2020-10-14 03:22:27,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 805 [2020-10-14 03:22:27,625 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:27,627 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:22:27,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 03:22:27,627 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:27,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:27,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1951268841, now seen corresponding path program 1 times [2020-10-14 03:22:27,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:27,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [388454236] [2020-10-14 03:22:27,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:27,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:27,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:28,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:31,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:32,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:32,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 824 [2020-10-14 03:22:32,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:22:32,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-14 03:22:32,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:32,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:32,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:32,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 350 [2020-10-14 03:22:32,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:22:32,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:32,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:32,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:32,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:32,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:32,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:32,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:22:32,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:32,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:32,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:32,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:32,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:32,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:32,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:32,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:32,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:32,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:32,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:32,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 03:22:32,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:32,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:32,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:32,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:32,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:32,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:32,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:22:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:32,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:33,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:33,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:22:33,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:33,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 03:22:33,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:33,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:33,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:33,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:33,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:33,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:33,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:22:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:33,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:33,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:33,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:22:33,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:33,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 03:22:33,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:33,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:33,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:33,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:33,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-14 03:22:33,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:33,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:22:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:33,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:33,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:33,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:33,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:33,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-14 03:22:33,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:33,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:33,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:33,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:33,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:22:33,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:33,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2020-10-14 03:22:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:33,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:33,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:33,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:22:33,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:33,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 03:22:33,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:33,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:33,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:33,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 03:22:33,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:33,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:33,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 650 [2020-10-14 03:22:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:33,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:33,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:33,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:22:33,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:33,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 03:22:33,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:33,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:33,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:33,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 03:22:33,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:33,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:33,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1917 backedges. 577 proven. 242 refuted. 0 times theorem prover too weak. 1098 trivial. 0 not checked. [2020-10-14 03:22:33,758 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [388454236] [2020-10-14 03:22:33,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:33,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:22:33,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348849122] [2020-10-14 03:22:33,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:22:33,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:33,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:22:33,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:22:33,760 INFO L87 Difference]: Start difference. First operand 3342 states and 3472 transitions. Second operand 7 states. [2020-10-14 03:22:35,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:35,088 INFO L93 Difference]: Finished difference Result 7052 states and 7365 transitions. [2020-10-14 03:22:35,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:22:35,089 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 804 [2020-10-14 03:22:35,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:35,096 INFO L225 Difference]: With dead ends: 7052 [2020-10-14 03:22:35,096 INFO L226 Difference]: Without dead ends: 3900 [2020-10-14 03:22:35,102 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 03:22:35,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3900 states. [2020-10-14 03:22:35,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3900 to 3706. [2020-10-14 03:22:35,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3706 states. [2020-10-14 03:22:35,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3706 states to 3706 states and 3846 transitions. [2020-10-14 03:22:35,164 INFO L78 Accepts]: Start accepts. Automaton has 3706 states and 3846 transitions. Word has length 804 [2020-10-14 03:22:35,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:35,165 INFO L479 AbstractCegarLoop]: Abstraction has 3706 states and 3846 transitions. [2020-10-14 03:22:35,165 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:22:35,165 INFO L276 IsEmpty]: Start isEmpty. Operand 3706 states and 3846 transitions. [2020-10-14 03:22:35,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 964 [2020-10-14 03:22:35,184 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:35,185 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:22:35,185 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 03:22:35,185 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:35,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:35,186 INFO L82 PathProgramCache]: Analyzing trace with hash 949920374, now seen corresponding path program 1 times [2020-10-14 03:22:35,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:35,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [246669943] [2020-10-14 03:22:35,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:35,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:35,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:37,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:38,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:40,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:40,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 985 [2020-10-14 03:22:40,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:22:40,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5056 [2020-10-14 03:22:40,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:40,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:40,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:40,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 03:22:40,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:22:40,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:40,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:40,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:40,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:40,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:40,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:40,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 03:22:40,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:40,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:40,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:40,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:40,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:40,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 03:22:40,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:40,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:40,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:40,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:40,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:40,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:22:40,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:40,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:40,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:40,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:40,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:40,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:40,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:22:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:40,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:40,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:40,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:22:40,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:40,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 03:22:40,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:40,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:40,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:40,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:40,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:40,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:40,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:22:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:40,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:40,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:40,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:22:40,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:40,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:22:40,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:40,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:40,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:40,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:40,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:40,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:40,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:22:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:40,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:40,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:40,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 03:22:40,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:40,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 03:22:40,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:40,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:40,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:40,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:40,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 03:22:40,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:40,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 03:22:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:40,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:40,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:40,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:40,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:40,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-14 03:22:40,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:40,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:40,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:40,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:40,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:22:40,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:41,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2020-10-14 03:22:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:41,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:41,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:41,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:22:41,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:41,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 03:22:41,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:41,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:41,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:41,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 03:22:41,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:41,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:41,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2020-10-14 03:22:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:41,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:41,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:41,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:22:41,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:41,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 03:22:41,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:41,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:41,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:41,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 03:22:41,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:41,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:41,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2694 backedges. 782 proven. 242 refuted. 0 times theorem prover too weak. 1670 trivial. 0 not checked. [2020-10-14 03:22:41,619 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [246669943] [2020-10-14 03:22:41,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:41,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:22:41,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332584318] [2020-10-14 03:22:41,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:22:41,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:41,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:22:41,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:22:41,621 INFO L87 Difference]: Start difference. First operand 3706 states and 3846 transitions. Second operand 7 states. [2020-10-14 03:22:42,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:42,978 INFO L93 Difference]: Finished difference Result 7600 states and 7916 transitions. [2020-10-14 03:22:42,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:22:42,982 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 963 [2020-10-14 03:22:42,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:42,988 INFO L225 Difference]: With dead ends: 7600 [2020-10-14 03:22:42,988 INFO L226 Difference]: Without dead ends: 4084 [2020-10-14 03:22:42,994 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 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 03:22:42,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4084 states. [2020-10-14 03:22:43,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4084 to 3890. [2020-10-14 03:22:43,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3890 states. [2020-10-14 03:22:43,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3890 states to 3890 states and 4040 transitions. [2020-10-14 03:22:43,057 INFO L78 Accepts]: Start accepts. Automaton has 3890 states and 4040 transitions. Word has length 963 [2020-10-14 03:22:43,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:43,058 INFO L479 AbstractCegarLoop]: Abstraction has 3890 states and 4040 transitions. [2020-10-14 03:22:43,058 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:22:43,058 INFO L276 IsEmpty]: Start isEmpty. Operand 3890 states and 4040 transitions. [2020-10-14 03:22:43,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1058 [2020-10-14 03:22:43,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:43,074 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:22:43,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 03:22:43,075 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:43,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:43,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1431587414, now seen corresponding path program 1 times [2020-10-14 03:22:43,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:43,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1244529042] [2020-10-14 03:22:43,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:43,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:43,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:44,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:45,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:48,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:48,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1081 [2020-10-14 03:22:48,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:22:48,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-14 03:22:48,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:48,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:48,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:48,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 350 [2020-10-14 03:22:48,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:22:48,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:48,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:48,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:48,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:48,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:48,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:48,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:22:48,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:48,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:48,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:48,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:48,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:48,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:48,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:48,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:48,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:48,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:48,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:48,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:22:48,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:48,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:48,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:48,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:48,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:48,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:48,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:22:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:48,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:48,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:48,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:22:48,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:48,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:22:48,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:48,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:48,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:48,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:48,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:48,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:48,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:22:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:48,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:48,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:48,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:22:48,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:48,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 03:22:48,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:48,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:48,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:48,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:48,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-14 03:22:48,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:48,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:22:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:48,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:48,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:48,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:22:48,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:48,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-14 03:22:48,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:48,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:48,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:48,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:48,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 03:22:48,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:48,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-10-14 03:22:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:48,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:48,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:48,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:22:48,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:48,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:22:48,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:48,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:48,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:48,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 03:22:48,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:48,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:48,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2020-10-14 03:22:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:48,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:48,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:48,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:48,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:48,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 03:22:48,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:48,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:48,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:48,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 03:22:48,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:48,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:48,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2020-10-14 03:22:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:49,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:49,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:49,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:22:49,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:49,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 03:22:49,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:49,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:49,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:49,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 03:22:49,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:49,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:49,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 903 [2020-10-14 03:22:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:49,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:49,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:49,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:22:49,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:49,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 03:22:49,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:49,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:49,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:49,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 03:22:49,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:49,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:49,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 673 proven. 489 refuted. 0 times theorem prover too weak. 2118 trivial. 0 not checked. [2020-10-14 03:22:49,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1244529042] [2020-10-14 03:22:49,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:49,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:22:49,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742341494] [2020-10-14 03:22:49,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:22:49,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:49,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:22:49,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:22:49,766 INFO L87 Difference]: Start difference. First operand 3890 states and 4040 transitions. Second operand 7 states. [2020-10-14 03:22:51,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:51,282 INFO L93 Difference]: Finished difference Result 7782 states and 8091 transitions. [2020-10-14 03:22:51,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:22:51,284 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1057 [2020-10-14 03:22:51,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:51,291 INFO L225 Difference]: With dead ends: 7782 [2020-10-14 03:22:51,291 INFO L226 Difference]: Without dead ends: 3896 [2020-10-14 03:22:51,298 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:22:51,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3896 states. [2020-10-14 03:22:51,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3896 to 3890. [2020-10-14 03:22:51,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3890 states. [2020-10-14 03:22:51,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3890 states to 3890 states and 4032 transitions. [2020-10-14 03:22:51,359 INFO L78 Accepts]: Start accepts. Automaton has 3890 states and 4032 transitions. Word has length 1057 [2020-10-14 03:22:51,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:51,360 INFO L479 AbstractCegarLoop]: Abstraction has 3890 states and 4032 transitions. [2020-10-14 03:22:51,360 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:22:51,361 INFO L276 IsEmpty]: Start isEmpty. Operand 3890 states and 4032 transitions. [2020-10-14 03:22:51,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1139 [2020-10-14 03:22:51,383 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:51,384 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:22:51,384 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 03:22:51,384 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:51,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:51,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1661791935, now seen corresponding path program 1 times [2020-10-14 03:22:51,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:51,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1538892928] [2020-10-14 03:22:51,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:51,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:51,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:55,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:56,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:56,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1164 [2020-10-14 03:22:56,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:22:56,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-14 03:22:56,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:56,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:56,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 03:22:56,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-14 03:22:56,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 311 [2020-10-14 03:22:56,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:56,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:56,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:56,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:56,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:56,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:56,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:22:56,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:56,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:56,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:56,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:56,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:56,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:56,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:56,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:56,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:56,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:56,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:56,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:22:56,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:56,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:56,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:56,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:56,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:56,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:56,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:22:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:56,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:56,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:56,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:22:56,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:56,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:22:56,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:56,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:56,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:56,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:56,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:56,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:56,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:22:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:56,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:56,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:56,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:22:56,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:56,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:22:56,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:56,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:56,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:56,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:56,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:56,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:56,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:22:56,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:56,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:56,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:56,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:22:56,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:56,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:22:56,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:56,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:56,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:56,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:56,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:56,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:56,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:22:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:56,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:56,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:56,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:22:56,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:56,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 03:22:56,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:56,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:56,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:56,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:56,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:56,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:56,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:22:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:56,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:56,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:56,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:22:56,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:56,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:22:56,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:56,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:56,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:56,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:56,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 03:22:56,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:57,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:22:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:57,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:57,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:57,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:57,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:57,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-14 03:22:57,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:57,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:57,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 03:22:57,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:57,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:22:57,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:57,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:22:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:57,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:57,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:57,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:22:57,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:57,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-14 03:22:57,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:57,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:57,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:57,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:57,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 03:22:57,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:57,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 984 [2020-10-14 03:22:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:57,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:57,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:57,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:22:57,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:57,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 03:22:57,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:57,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:57,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:57,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 03:22:57,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:57,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:58,143 INFO L134 CoverageAnalysis]: Checked inductivity of 3959 backedges. 1645 proven. 236 refuted. 0 times theorem prover too weak. 2078 trivial. 0 not checked. [2020-10-14 03:22:58,144 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1538892928] [2020-10-14 03:22:58,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:58,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 03:22:58,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022848362] [2020-10-14 03:22:58,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 03:22:58,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:58,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 03:22:58,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 03:22:58,146 INFO L87 Difference]: Start difference. First operand 3890 states and 4032 transitions. Second operand 9 states. [2020-10-14 03:23:00,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:23:00,651 INFO L93 Difference]: Finished difference Result 8152 states and 8474 transitions. [2020-10-14 03:23:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 03:23:00,652 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1138 [2020-10-14 03:23:00,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:23:00,661 INFO L225 Difference]: With dead ends: 8152 [2020-10-14 03:23:00,661 INFO L226 Difference]: Without dead ends: 4452 [2020-10-14 03:23:00,668 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2020-10-14 03:23:00,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4452 states. [2020-10-14 03:23:00,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4452 to 4076. [2020-10-14 03:23:00,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4076 states. [2020-10-14 03:23:00,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4076 states to 4076 states and 4220 transitions. [2020-10-14 03:23:00,731 INFO L78 Accepts]: Start accepts. Automaton has 4076 states and 4220 transitions. Word has length 1138 [2020-10-14 03:23:00,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:23:00,733 INFO L479 AbstractCegarLoop]: Abstraction has 4076 states and 4220 transitions. [2020-10-14 03:23:00,733 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 03:23:00,733 INFO L276 IsEmpty]: Start isEmpty. Operand 4076 states and 4220 transitions. [2020-10-14 03:23:00,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1692 [2020-10-14 03:23:00,768 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:23:00,769 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:23:00,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 03:23:00,770 INFO L427 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:23:00,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:23:00,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1717289902, now seen corresponding path program 1 times [2020-10-14 03:23:00,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:23:00,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1009874464] [2020-10-14 03:23:00,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:23:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:01,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:03,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:04,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:04,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1725 [2020-10-14 03:23:04,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:23:04,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3062 [2020-10-14 03:23:04,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:04,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:04,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 03:23:04,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1561 [2020-10-14 03:23:04,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-10-14 03:23:04,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:04,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:23:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:04,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:04,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:04,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:23:04,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:04,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:23:04,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:04,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:04,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:04,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:04,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:04,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:04,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:23:04,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:04,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:04,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:04,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:23:04,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:04,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:23:04,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:04,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:04,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:04,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:04,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:04,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:04,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:23:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:04,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:04,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:04,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:23:04,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:04,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:23:04,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:04,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:04,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:04,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:04,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:04,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:04,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:23:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:04,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:04,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:04,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:23:04,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:04,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:23:04,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:04,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:04,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:04,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:04,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:04,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:04,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:23:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:04,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:04,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:04,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:23:04,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:04,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:23:04,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:04,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:04,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:04,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:04,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:04,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:23:04,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:23:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:04,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:04,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:04,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:23:04,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:04,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 03:23:04,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:04,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:04,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:04,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:04,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:04,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:04,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:23:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:04,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:04,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:04,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:23:04,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:04,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:23:04,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:04,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:04,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:04,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:04,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:04,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:23:04,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:23:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:04,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:04,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:04,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:23:04,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:04,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:23:04,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:04,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:04,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:04,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:04,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:04,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:04,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:23:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:04,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:04,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:04,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:23:04,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:04,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 03:23:04,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:04,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:04,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:04,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:04,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:04,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:04,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 03:23:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:04,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:04,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:04,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:23:04,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:04,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:23:04,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:04,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:04,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:04,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:04,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:04,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:04,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 03:23:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:04,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:04,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:04,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:23:04,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:04,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 03:23:04,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:04,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:04,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:04,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:04,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:04,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:04,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 03:23:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:04,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:04,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:04,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 03:23:04,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:04,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 03:23:04,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:04,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:04,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:04,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:04,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:04,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:04,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 03:23:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:04,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:04,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:04,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:23:04,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:04,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 03:23:04,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:04,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:04,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:23:04,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:04,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 03:23:04,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:04,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2020-10-14 03:23:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:04,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:05,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:05,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 03:23:05,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:05,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-14 03:23:05,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:05,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:05,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 03:23:05,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:23:05,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 03:23:05,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:06,278 INFO L134 CoverageAnalysis]: Checked inductivity of 8838 backedges. 1757 proven. 51 refuted. 0 times theorem prover too weak. 7030 trivial. 0 not checked. [2020-10-14 03:23:06,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1009874464] [2020-10-14 03:23:06,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:23:06,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:23:06,279 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978937334] [2020-10-14 03:23:06,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:23:06,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:23:06,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:23:06,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:23:06,281 INFO L87 Difference]: Start difference. First operand 4076 states and 4220 transitions. Second operand 8 states. [2020-10-14 03:23:09,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:23:09,435 INFO L93 Difference]: Finished difference Result 8162 states and 8466 transitions. [2020-10-14 03:23:09,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 03:23:09,437 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1691 [2020-10-14 03:23:09,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:23:09,439 INFO L225 Difference]: With dead ends: 8162 [2020-10-14 03:23:09,439 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 03:23:09,450 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-10-14 03:23:09,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 03:23:09,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 03:23:09,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 03:23:09,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 03:23:09,451 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1691 [2020-10-14 03:23:09,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:23:09,452 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 03:23:09,452 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:23:09,452 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 03:23:09,452 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 03:23:09,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 03:23:09,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 03:23:10,189 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 73 [2020-10-14 03:23:10,546 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 77 [2020-10-14 03:23:12,733 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 458 DAG size of output: 327 [2020-10-14 03:23:13,748 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 458 DAG size of output: 327 [2020-10-14 03:23:15,321 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 295 DAG size of output: 87 [2020-10-14 03:23:17,868 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 329 DAG size of output: 62 [2020-10-14 03:23:20,388 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 329 DAG size of output: 62 [2020-10-14 03:23:20,394 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:23:20,394 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 03:23:20,394 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:23:20,394 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-14 03:23:20,394 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-14 03:23:20,395 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,395 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,395 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,395 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-14 03:23:20,395 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 03:23:20,395 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 03:23:20,395 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 03:23:20,395 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-14 03:23:20,395 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-14 03:23:20,396 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-14 03:23:20,396 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-14 03:23:20,396 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,396 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,396 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,396 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-14 03:23:20,396 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-14 03:23:20,396 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 03:23:20,396 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 03:23:20,396 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 03:23:20,397 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-14 03:23:20,397 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-14 03:23:20,397 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-14 03:23:20,397 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,397 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,397 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,397 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-14 03:23:20,397 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 03:23:20,397 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 03:23:20,398 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 03:23:20,398 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-14 03:23:20,398 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-14 03:23:20,398 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-14 03:23:20,398 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-14 03:23:20,398 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-14 03:23:20,398 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,398 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,399 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,399 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-14 03:23:20,399 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 03:23:20,399 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 03:23:20,399 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 03:23:20,399 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-14 03:23:20,399 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-14 03:23:20,399 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-14 03:23:20,399 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,399 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,400 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,400 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-14 03:23:20,400 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 03:23:20,400 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 03:23:20,400 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 03:23:20,400 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-14 03:23:20,400 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-14 03:23:20,400 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-14 03:23:20,400 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-14 03:23:20,401 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-14 03:23:20,401 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,401 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,401 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,401 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,401 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-14 03:23:20,401 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 03:23:20,401 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 03:23:20,401 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 03:23:20,402 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-14 03:23:20,402 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-14 03:23:20,402 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-14 03:23:20,402 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-14 03:23:20,402 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,402 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,402 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,402 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 03:23:20,402 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 03:23:20,402 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 03:23:20,402 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-14 03:23:20,403 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-14 03:23:20,403 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-14 03:23:20,403 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-14 03:23:20,403 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-14 03:23:20,403 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,403 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,403 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,403 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-14 03:23:20,403 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-14 03:23:20,404 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 03:23:20,404 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 03:23:20,404 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 03:23:20,404 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-14 03:23:20,404 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse9 (= ~a15~0 |old(~a15~0)|)) (.cse7 (= ~a24~0 |old(~a24~0)|)) (.cse12 (= ~a21~0 |old(~a21~0)|)) (.cse8 (= ~a12~0 |old(~a12~0)|))) (let ((.cse0 (not (<= |old(~a24~0)| 1))) (.cse5 (and .cse7 .cse12 (= ~a15~0 8) .cse8)) (.cse4 (not (= 8 |old(~a15~0)|))) (.cse3 (not (<= |old(~a12~0)| 11))) (.cse2 (not (<= |old(~a21~0)| 6))) (.cse11 (not (<= |old(~a15~0)| 7))) (.cse6 (not (<= 8 |old(~a21~0)|))) (.cse10 (not (= 7 |old(~a21~0)|))) (.cse1 (and .cse7 .cse12 .cse8 .cse9))) (and (or .cse0 (not (<= |old(~a12~0)| 95442)) .cse1 (not (<= 95374 |old(~a12~0)|)) .cse2) (or (not (= 10 |old(~a21~0)|)) .cse1 .cse3) (or .cse0 .cse4 .cse5 .cse2) (or .cse6 .cse4 .cse5 (not (<= |old(~a12~0)| 76))) (or (not (< 80 |old(~a12~0)|)) .cse1 (not (<= 9 |old(~a21~0)|))) (or (and .cse7 (= ~a21~0 8) .cse8 .cse9) (not (= 8 |old(~a21~0)|))) (or .cse10 .cse1 .cse4 .cse3) (or .cse11 .cse10 (and .cse7 .cse8 (= 7 ~a21~0) .cse9) (not (<= (+ |old(~a12~0)| 460226) 0))) (or .cse1 (and (or .cse11 .cse2) (not (<= |old(~a15~0)| 5)) (or .cse11 .cse6))) (or .cse10 (not (<= 81 |old(~a12~0)|)) .cse1 (= 7 |old(~a15~0)|))))) [2020-10-14 03:23:20,405 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-14 03:23:20,405 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-14 03:23:20,405 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,405 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,405 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,405 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 03:23:20,405 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 03:23:20,405 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 03:23:20,405 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-14 03:23:20,406 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-14 03:23:20,406 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-14 03:23:20,406 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-14 03:23:20,406 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-14 03:23:20,406 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,406 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,406 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,406 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-14 03:23:20,407 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-14 03:23:20,407 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 03:23:20,407 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 03:23:20,407 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 03:23:20,407 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-14 03:23:20,407 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-14 03:23:20,407 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-14 03:23:20,407 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,407 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,407 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,408 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-14 03:23:20,408 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 03:23:20,408 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 03:23:20,408 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 03:23:20,408 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-14 03:23:20,408 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-14 03:23:20,408 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-14 03:23:20,408 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-14 03:23:20,408 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,408 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,409 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,409 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-14 03:23:20,409 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 03:23:20,409 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 03:23:20,409 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 03:23:20,409 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-14 03:23:20,409 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-14 03:23:20,409 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-14 03:23:20,409 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-14 03:23:20,409 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,410 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,410 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-14 03:23:20,410 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 03:23:20,410 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 03:23:20,410 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-14 03:23:20,410 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-14 03:23:20,410 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-14 03:23:20,410 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-14 03:23:20,410 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-14 03:23:20,410 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 115) no Hoare annotation was computed. [2020-10-14 03:23:20,411 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,411 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,411 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-14 03:23:20,411 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 03:23:20,411 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 03:23:20,411 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-14 03:23:20,411 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-14 03:23:20,411 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-14 03:23:20,411 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,411 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,412 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-14 03:23:20,412 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-14 03:23:20,412 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 03:23:20,412 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 03:23:20,412 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-14 03:23:20,412 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-14 03:23:20,412 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-14 03:23:20,412 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-14 03:23:20,412 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,412 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,412 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-14 03:23:20,413 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-14 03:23:20,413 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 03:23:20,413 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 03:23:20,413 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-14 03:23:20,413 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-14 03:23:20,413 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-14 03:23:20,413 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,413 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,413 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,413 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-14 03:23:20,414 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-14 03:23:20,414 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 03:23:20,414 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 03:23:20,414 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-14 03:23:20,414 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-14 03:23:20,414 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,414 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,414 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 03:23:20,414 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,414 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-14 03:23:20,415 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-14 03:23:20,415 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-14 03:23:20,415 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 03:23:20,415 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 03:23:20,415 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 03:23:20,415 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-14 03:23:20,415 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-14 03:23:20,415 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-14 03:23:20,415 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-14 03:23:20,415 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,415 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,416 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,416 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-14 03:23:20,416 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 03:23:20,416 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 03:23:20,416 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 03:23:20,416 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-14 03:23:20,416 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-14 03:23:20,416 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-14 03:23:20,416 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-14 03:23:20,416 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,416 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,417 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,417 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-14 03:23:20,417 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-14 03:23:20,417 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 03:23:20,417 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 03:23:20,417 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 03:23:20,417 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-14 03:23:20,417 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-14 03:23:20,417 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-14 03:23:20,417 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,418 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,418 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,418 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-14 03:23:20,418 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 03:23:20,418 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 03:23:20,418 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 03:23:20,418 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-14 03:23:20,418 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-14 03:23:20,418 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-14 03:23:20,418 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-14 03:23:20,419 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-14 03:23:20,419 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,419 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,419 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:23:20,419 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-14 03:23:20,419 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 03:23:20,419 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 03:23:20,419 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 03:23:20,419 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-14 03:23:20,419 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:23:20,420 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= (+ ~a12~0 49) 0) (= ~a15~0 8) (= 7 ~a21~0)) [2020-10-14 03:23:20,420 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 03:23:20,420 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:23:20,420 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)| 49) 0))) [2020-10-14 03:23:20,420 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:23:20,420 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (<= ~a24~0 1)) (.cse4 (<= ~a12~0 11)) (.cse6 (<= ~a15~0 7)) (.cse1 (<= ~a21~0 6)) (.cse2 (= ~a15~0 8)) (.cse3 (<= 8 ~a21~0)) (.cse5 (= 7 ~a21~0))) (or (and .cse0 (<= ~a12~0 95442) (<= 95374 ~a12~0) .cse1) (not (= 8 |old(~a15~0)|)) (and .cse0 .cse2 .cse1) (and (< 80 ~a12~0) .cse3) (and .cse4 .cse2 .cse5) (and .cse4 (= ~a21~0 10)) (not (<= (+ |old(~a12~0)| 49) 0)) (and .cse6 (<= (+ ~a12~0 460226) 0)) (not (= 7 |old(~a21~0)|)) (<= ~a15~0 5) (and .cse6 .cse3) (= ~a21~0 8) (and .cse6 .cse1) (and .cse2 .cse3 (<= ~a12~0 76)) (and (<= 81 ~a12~0) (not (= 7 ~a15~0)) .cse5))) [2020-10-14 03:23:20,420 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-14 03:23:20,421 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-14 03:23:20,421 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (<= ~a24~0 1)) (.cse4 (<= ~a12~0 11)) (.cse6 (<= ~a15~0 7)) (.cse1 (<= ~a21~0 6)) (.cse2 (= ~a15~0 8)) (.cse3 (<= 8 ~a21~0)) (.cse5 (= 7 ~a21~0))) (or (and .cse0 (<= ~a12~0 95442) (<= 95374 ~a12~0) .cse1) (not (= 8 |old(~a15~0)|)) (and .cse0 .cse2 .cse1) (and (< 80 ~a12~0) .cse3) (and .cse4 .cse2 .cse5) (and .cse4 (= ~a21~0 10)) (not (<= (+ |old(~a12~0)| 49) 0)) (and .cse6 (<= (+ ~a12~0 460226) 0)) (not (= 7 |old(~a21~0)|)) (<= ~a15~0 5) (and .cse6 .cse3) (= ~a21~0 8) (and .cse6 .cse1) (and .cse2 .cse3 (<= ~a12~0 76)) (and (<= 81 ~a12~0) (not (= 7 ~a15~0)) .cse5))) [2020-10-14 03:23:20,421 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:23:20,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 03:23:20 BoogieIcfgContainer [2020-10-14 03:23:20,445 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 03:23:20,447 INFO L168 Benchmark]: Toolchain (without parser) took 148574.60 ms. Allocated memory was 146.8 MB in the beginning and 2.5 GB in the end (delta: 2.3 GB). Free memory was 101.3 MB in the beginning and 708.0 MB in the end (delta: -606.8 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2020-10-14 03:23:20,448 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-14 03:23:20,448 INFO L168 Benchmark]: CACSL2BoogieTranslator took 936.69 ms. Allocated memory was 146.8 MB in the beginning and 206.0 MB in the end (delta: 59.2 MB). Free memory was 101.0 MB in the beginning and 168.8 MB in the end (delta: -67.8 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. [2020-10-14 03:23:20,449 INFO L168 Benchmark]: Boogie Preprocessor took 129.90 ms. Allocated memory is still 206.0 MB. Free memory was 168.8 MB in the beginning and 163.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2020-10-14 03:23:20,449 INFO L168 Benchmark]: RCFGBuilder took 1621.73 ms. Allocated memory was 206.0 MB in the beginning and 238.6 MB in the end (delta: 32.5 MB). Free memory was 163.1 MB in the beginning and 156.4 MB in the end (delta: 6.8 MB). Peak memory consumption was 78.5 MB. Max. memory is 7.1 GB. [2020-10-14 03:23:20,450 INFO L168 Benchmark]: TraceAbstraction took 145879.70 ms. Allocated memory was 238.6 MB in the beginning and 2.5 GB in the end (delta: 2.2 GB). Free memory was 156.4 MB in the beginning and 708.0 MB in the end (delta: -551.7 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2020-10-14 03:23:20,453 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 936.69 ms. Allocated memory was 146.8 MB in the beginning and 206.0 MB in the end (delta: 59.2 MB). Free memory was 101.0 MB in the beginning and 168.8 MB in the end (delta: -67.8 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.90 ms. Allocated memory is still 206.0 MB. Free memory was 168.8 MB in the beginning and 163.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1621.73 ms. Allocated memory was 206.0 MB in the beginning and 238.6 MB in the end (delta: 32.5 MB). Free memory was 163.1 MB in the beginning and 156.4 MB in the end (delta: 6.8 MB). Peak memory consumption was 78.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 145879.70 ms. Allocated memory was 238.6 MB in the beginning and 2.5 GB in the end (delta: 2.2 GB). Free memory was 156.4 MB in the beginning and 708.0 MB in the end (delta: -551.7 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 115]: 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: ((((((((((((((((a24 <= 1 && a12 <= 95442) && 95374 <= a12) && a21 <= 6) || !(8 == \old(a15))) || ((a24 <= 1 && a15 == 8) && a21 <= 6)) || (80 < a12 && 8 <= a21)) || ((a12 <= 11 && a15 == 8) && 7 == a21)) || (a12 <= 11 && a21 == 10)) || !(\old(a12) + 49 <= 0)) || (a15 <= 7 && a12 + 460226 <= 0)) || !(7 == \old(a21))) || a15 <= 5) || (a15 <= 7 && 8 <= a21)) || a21 == 8) || (a15 <= 7 && a21 <= 6)) || ((a15 == 8 && 8 <= a21) && a12 <= 76)) || ((81 <= a12 && !(7 == a15)) && 7 == a21) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 134.8s, OverallIterations: 21, TraceHistogramMax: 14, AutomataDifference: 42.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 653 SDtfs, 11706 SDslu, 889 SDs, 0 SdLazy, 27248 SolverSat, 2929 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 459 GetRequests, 268 SyntacticMatches, 3 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4076occurred in iteration=20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 21 MinimizatonAttempts, 4836 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 319 PreInvPairs, 409 NumberOfFragments, 557 HoareAnnotationTreeSize, 319 FomulaSimplifications, 226215379 FormulaSimplificationTreeSizeReduction, 4.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3648824 FormulaSimplificationTreeSizeReductionInter, 6.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 84.4s InterpolantComputationTime, 10478 NumberOfCodeBlocks, 10478 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 10457 ConstructedInterpolants, 0 QuantifiedInterpolants, 16463705 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 2 PerfectInterpolantSequences, 23096/25087 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...