/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label55.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 21:50:05,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 21:50:05,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 21:50:05,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 21:50:05,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 21:50:05,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 21:50:05,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 21:50:05,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 21:50:05,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 21:50:05,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 21:50:05,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 21:50:05,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 21:50:05,929 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 21:50:05,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 21:50:05,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 21:50:05,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 21:50:05,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 21:50:05,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 21:50:05,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 21:50:05,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 21:50:05,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 21:50:05,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 21:50:05,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 21:50:05,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 21:50:05,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 21:50:05,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 21:50:05,960 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 21:50:05,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 21:50:05,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 21:50:05,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 21:50:05,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 21:50:05,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 21:50:05,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 21:50:05,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 21:50:05,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 21:50:05,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 21:50:05,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 21:50:05,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 21:50:05,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 21:50:05,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 21:50:05,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 21:50:05,975 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 21:50:06,009 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 21:50:06,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 21:50:06,010 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 21:50:06,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 21:50:06,011 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 21:50:06,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 21:50:06,011 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 21:50:06,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 21:50:06,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 21:50:06,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 21:50:06,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 21:50:06,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 21:50:06,012 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 21:50:06,013 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 21:50:06,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 21:50:06,013 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 21:50:06,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 21:50:06,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 21:50:06,014 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 21:50:06,014 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 21:50:06,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 21:50:06,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 21:50:06,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 21:50:06,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 21:50:06,015 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 21:50:06,015 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 21:50:06,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 21:50:06,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 21:50:06,016 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 21:50:06,016 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 21:50:06,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 21:50:06,319 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 21:50:06,323 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 21:50:06,325 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 21:50:06,325 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 21:50:06,326 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label55.c [2020-10-14 21:50:06,392 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e2aeeb33/d32f589b798a4378aa644bb07ebbb5ad/FLAG21bfe3c9f [2020-10-14 21:50:07,005 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 21:50:07,008 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label55.c [2020-10-14 21:50:07,033 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e2aeeb33/d32f589b798a4378aa644bb07ebbb5ad/FLAG21bfe3c9f [2020-10-14 21:50:07,260 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e2aeeb33/d32f589b798a4378aa644bb07ebbb5ad [2020-10-14 21:50:07,269 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 21:50:07,271 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 21:50:07,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 21:50:07,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 21:50:07,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 21:50:07,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:50:07" (1/1) ... [2020-10-14 21:50:07,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3161b126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:50:07, skipping insertion in model container [2020-10-14 21:50:07,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:50:07" (1/1) ... [2020-10-14 21:50:07,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 21:50:07,337 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 21:50:07,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:50:07,947 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 21:50:08,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:50:08,113 INFO L208 MainTranslator]: Completed translation [2020-10-14 21:50:08,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:50:08 WrapperNode [2020-10-14 21:50:08,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 21:50:08,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 21:50:08,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 21:50:08,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 21:50:08,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:50:08" (1/1) ... [2020-10-14 21:50:08,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:50:08" (1/1) ... [2020-10-14 21:50:08,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:50:08" (1/1) ... [2020-10-14 21:50:08,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:50:08" (1/1) ... [2020-10-14 21:50:08,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:50:08" (1/1) ... [2020-10-14 21:50:08,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:50:08" (1/1) ... [2020-10-14 21:50:08,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:50:08" (1/1) ... [2020-10-14 21:50:08,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 21:50:08,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 21:50:08,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 21:50:08,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 21:50:08,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:50:08" (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 21:50:08,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 21:50:08,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 21:50:08,393 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 21:50:08,394 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 21:50:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 21:50:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 21:50:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 21:50:08,396 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 21:50:08,396 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 21:50:08,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 21:50:08,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 21:50:09,938 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 21:50:09,939 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 21:50:09,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:50:09 BoogieIcfgContainer [2020-10-14 21:50:09,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 21:50:09,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 21:50:09,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 21:50:09,951 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 21:50:09,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:50:07" (1/3) ... [2020-10-14 21:50:09,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d68c61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:50:09, skipping insertion in model container [2020-10-14 21:50:09,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:50:08" (2/3) ... [2020-10-14 21:50:09,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d68c61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:50:09, skipping insertion in model container [2020-10-14 21:50:09,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:50:09" (3/3) ... [2020-10-14 21:50:09,955 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label55.c [2020-10-14 21:50:09,968 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 21:50:09,978 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 21:50:09,995 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 21:50:10,022 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 21:50:10,023 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 21:50:10,023 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 21:50:10,023 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 21:50:10,023 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 21:50:10,023 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 21:50:10,024 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 21:50:10,024 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 21:50:10,047 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-14 21:50:10,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-14 21:50:10,057 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:50:10,059 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:50:10,059 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:50:10,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:50:10,066 INFO L82 PathProgramCache]: Analyzing trace with hash 606791250, now seen corresponding path program 1 times [2020-10-14 21:50:10,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:50:10,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1742452371] [2020-10-14 21:50:10,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:50:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:10,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:10,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:10,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 21:50:10,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:10,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 435 [2020-10-14 21:50:10,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:10,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:10,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:50:10,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:50:10,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 21:50:10,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 21:50:10,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:50:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:10,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:10,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:10,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:50:10,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:10,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 21:50:10,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:10,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:10,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:10,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:10,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:50:10,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:10,929 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 21:50:10,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1742452371] [2020-10-14 21:50:10,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:50:10,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 21:50:10,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364095308] [2020-10-14 21:50:10,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 21:50:10,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:50:10,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 21:50:10,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 21:50:10,958 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2020-10-14 21:50:12,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:50:12,913 INFO L93 Difference]: Finished difference Result 698 states and 1241 transitions. [2020-10-14 21:50:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:50:12,916 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2020-10-14 21:50:12,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:50:12,954 INFO L225 Difference]: With dead ends: 698 [2020-10-14 21:50:12,954 INFO L226 Difference]: Without dead ends: 380 [2020-10-14 21:50:12,968 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:50:12,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-14 21:50:13,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 374. [2020-10-14 21:50:13,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-10-14 21:50:13,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 604 transitions. [2020-10-14 21:50:13,068 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 604 transitions. Word has length 63 [2020-10-14 21:50:13,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:50:13,069 INFO L479 AbstractCegarLoop]: Abstraction has 374 states and 604 transitions. [2020-10-14 21:50:13,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 21:50:13,070 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 604 transitions. [2020-10-14 21:50:13,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-14 21:50:13,076 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:50:13,077 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:50:13,077 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 21:50:13,077 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:50:13,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:50:13,078 INFO L82 PathProgramCache]: Analyzing trace with hash 142706633, now seen corresponding path program 1 times [2020-10-14 21:50:13,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:50:13,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1872909700] [2020-10-14 21:50:13,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:50:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:13,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:13,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:14,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:14,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:14,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 21:50:14,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:50:14,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1345 [2020-10-14 21:50:14,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:14,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:14,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:50:14,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 21:50:14,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 21:50:14,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:50:14,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:50:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:14,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:14,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:14,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:50:14,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:14,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 21:50:14,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:14,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:14,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:14,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:14,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:14,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:50:14,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:50:14,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:14,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:14,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:14,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 21:50:14,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:14,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-14 21:50:14,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:14,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:14,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:14,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:14,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 21:50:14,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-14 21:50:14,725 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:50:14,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1872909700] [2020-10-14 21:50:14,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:50:14,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:50:14,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645086461] [2020-10-14 21:50:14,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:50:14,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:50:14,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:50:14,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:50:14,731 INFO L87 Difference]: Start difference. First operand 374 states and 604 transitions. Second operand 5 states. [2020-10-14 21:50:16,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:50:16,529 INFO L93 Difference]: Finished difference Result 1116 states and 1825 transitions. [2020-10-14 21:50:16,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:50:16,530 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2020-10-14 21:50:16,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:50:16,536 INFO L225 Difference]: With dead ends: 1116 [2020-10-14 21:50:16,536 INFO L226 Difference]: Without dead ends: 748 [2020-10-14 21:50:16,539 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 21:50:16,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-14 21:50:16,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 560. [2020-10-14 21:50:16,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-14 21:50:16,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 843 transitions. [2020-10-14 21:50:16,643 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 843 transitions. Word has length 132 [2020-10-14 21:50:16,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:50:16,644 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 843 transitions. [2020-10-14 21:50:16,644 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:50:16,644 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 843 transitions. [2020-10-14 21:50:16,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-14 21:50:16,649 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:50:16,650 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:50:16,650 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 21:50:16,650 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:50:16,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:50:16,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1821849314, now seen corresponding path program 1 times [2020-10-14 21:50:16,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:50:16,651 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [653611988] [2020-10-14 21:50:16,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:50:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:16,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:16,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:17,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:17,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:17,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:17,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-14 21:50:17,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:50:17,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1022 [2020-10-14 21:50:17,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:17,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:17,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 21:50:17,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:50:17,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-14 21:50:17,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:17,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:50:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:17,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:17,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:17,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:50:17,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:17,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 21:50:17,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:17,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:17,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:17,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:17,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:50:17,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:17,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:50:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:17,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:17,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:17,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:17,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 21:50:17,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:50:17,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-14 21:50:17,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:17,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:17,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:50:17,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:50:17,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 21:50:17,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:18,305 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 21:50:18,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [653611988] [2020-10-14 21:50:18,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:50:18,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:50:18,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014457067] [2020-10-14 21:50:18,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 21:50:18,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:50:18,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 21:50:18,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:50:18,308 INFO L87 Difference]: Start difference. First operand 560 states and 843 transitions. Second operand 6 states. [2020-10-14 21:50:19,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:50:19,958 INFO L93 Difference]: Finished difference Result 1492 states and 2248 transitions. [2020-10-14 21:50:19,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 21:50:19,959 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2020-10-14 21:50:19,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:50:19,966 INFO L225 Difference]: With dead ends: 1492 [2020-10-14 21:50:19,966 INFO L226 Difference]: Without dead ends: 938 [2020-10-14 21:50:19,968 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:50:19,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2020-10-14 21:50:19,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 932. [2020-10-14 21:50:19,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 932 states. [2020-10-14 21:50:20,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1280 transitions. [2020-10-14 21:50:20,004 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1280 transitions. Word has length 143 [2020-10-14 21:50:20,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:50:20,004 INFO L479 AbstractCegarLoop]: Abstraction has 932 states and 1280 transitions. [2020-10-14 21:50:20,005 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 21:50:20,005 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1280 transitions. [2020-10-14 21:50:20,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-14 21:50:20,008 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:50:20,009 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:50:20,009 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 21:50:20,009 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:50:20,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:50:20,010 INFO L82 PathProgramCache]: Analyzing trace with hash 346918469, now seen corresponding path program 1 times [2020-10-14 21:50:20,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:50:20,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [201921843] [2020-10-14 21:50:20,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:50:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:20,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:20,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:20,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:21,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:21,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-14 21:50:21,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:50:21,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1269 [2020-10-14 21:50:21,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:21,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:21,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:50:21,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:50:21,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 21:50:21,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:21,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:50:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:21,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:21,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:21,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:50:21,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:21,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 21:50:21,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:21,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:21,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:21,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:21,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:50:21,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:21,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:50:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:21,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:21,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:21,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:50:21,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:21,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-14 21:50:21,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:21,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:21,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:50:21,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:50:21,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:50:21,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:21,683 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:50:21,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [201921843] [2020-10-14 21:50:21,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:50:21,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 21:50:21,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217066718] [2020-10-14 21:50:21,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:50:21,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:50:21,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:50:21,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:50:21,686 INFO L87 Difference]: Start difference. First operand 932 states and 1280 transitions. Second operand 7 states. [2020-10-14 21:50:23,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:50:23,512 INFO L93 Difference]: Finished difference Result 1870 states and 2578 transitions. [2020-10-14 21:50:23,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:50:23,512 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 146 [2020-10-14 21:50:23,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:50:23,519 INFO L225 Difference]: With dead ends: 1870 [2020-10-14 21:50:23,519 INFO L226 Difference]: Without dead ends: 1126 [2020-10-14 21:50:23,522 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:50:23,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2020-10-14 21:50:23,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 1118. [2020-10-14 21:50:23,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1118 states. [2020-10-14 21:50:23,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 1118 states and 1480 transitions. [2020-10-14 21:50:23,557 INFO L78 Accepts]: Start accepts. Automaton has 1118 states and 1480 transitions. Word has length 146 [2020-10-14 21:50:23,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:50:23,557 INFO L479 AbstractCegarLoop]: Abstraction has 1118 states and 1480 transitions. [2020-10-14 21:50:23,557 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:50:23,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1480 transitions. [2020-10-14 21:50:23,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-14 21:50:23,562 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:50:23,562 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 21:50:23,562 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 21:50:23,563 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:50:23,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:50:23,563 INFO L82 PathProgramCache]: Analyzing trace with hash 99305897, now seen corresponding path program 1 times [2020-10-14 21:50:23,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:50:23,564 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1108687593] [2020-10-14 21:50:23,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:50:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:23,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:23,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:23,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:23,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:26,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:26,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:28,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:28,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-14 21:50:28,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 21:50:28,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 21:50:28,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:28,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:28,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 21:50:28,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:50:28,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-14 21:50:28,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:28,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:50:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:28,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:28,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:28,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:50:28,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:28,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 21:50:28,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:28,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:28,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:28,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:28,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:50:28,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:28,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:50:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:28,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:28,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:28,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 21:50:28,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:28,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-14 21:50:28,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:28,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:28,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:50:28,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:50:28,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:50:28,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 21:50:28,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 21:50:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:28,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:29,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:29,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:50:29,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:29,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-14 21:50:29,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:29,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:29,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:50:29,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:50:29,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:50:29,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:29,222 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 113 proven. 65 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 21:50:29,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1108687593] [2020-10-14 21:50:29,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:50:29,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:50:29,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810330841] [2020-10-14 21:50:29,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:50:29,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:50:29,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:50:29,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:50:29,227 INFO L87 Difference]: Start difference. First operand 1118 states and 1480 transitions. Second operand 8 states. [2020-10-14 21:50:31,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:50:31,486 INFO L93 Difference]: Finished difference Result 2262 states and 3250 transitions. [2020-10-14 21:50:31,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 21:50:31,487 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 216 [2020-10-14 21:50:31,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:50:31,501 INFO L225 Difference]: With dead ends: 2262 [2020-10-14 21:50:31,501 INFO L226 Difference]: Without dead ends: 1700 [2020-10-14 21:50:31,504 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2020-10-14 21:50:31,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2020-10-14 21:50:31,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1308. [2020-10-14 21:50:31,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1308 states. [2020-10-14 21:50:31,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1308 states and 1693 transitions. [2020-10-14 21:50:31,556 INFO L78 Accepts]: Start accepts. Automaton has 1308 states and 1693 transitions. Word has length 216 [2020-10-14 21:50:31,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:50:31,556 INFO L479 AbstractCegarLoop]: Abstraction has 1308 states and 1693 transitions. [2020-10-14 21:50:31,556 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:50:31,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1693 transitions. [2020-10-14 21:50:31,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2020-10-14 21:50:31,563 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:50:31,563 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:50:31,563 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 21:50:31,563 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:50:31,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:50:31,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1394583235, now seen corresponding path program 1 times [2020-10-14 21:50:31,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:50:31,564 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1412064290] [2020-10-14 21:50:31,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:50:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:31,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:31,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:31,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:31,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:35,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:36,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:36,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:36,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 360 [2020-10-14 21:50:36,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 21:50:36,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-14 21:50:36,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:36,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:36,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:50:36,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 21:50:36,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-14 21:50:36,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:50:36,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:50:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:36,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:36,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:36,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:50:36,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:36,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:50:36,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:36,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:36,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:36,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:36,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:36,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:36,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:50:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:36,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:36,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:36,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 21:50:36,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:36,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 21:50:36,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:36,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:36,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:36,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:36,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 21:50:36,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:36,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 21:50:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:36,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:36,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:36,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:50:36,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:36,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 194 [2020-10-14 21:50:36,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:37,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:37,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:50:37,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:50:37,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 21:50:37,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:37,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-14 21:50:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:37,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:37,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:37,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 21:50:37,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:37,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 21:50:37,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:37,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:37,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:37,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-14 21:50:37,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:37,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:50:37,480 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 239 proven. 79 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-14 21:50:37,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1412064290] [2020-10-14 21:50:37,482 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:50:37,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:50:37,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414037309] [2020-10-14 21:50:37,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:50:37,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:50:37,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:50:37,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:50:37,490 INFO L87 Difference]: Start difference. First operand 1308 states and 1693 transitions. Second operand 7 states. [2020-10-14 21:50:40,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:50:40,376 INFO L93 Difference]: Finished difference Result 3182 states and 4324 transitions. [2020-10-14 21:50:40,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:50:40,377 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 346 [2020-10-14 21:50:40,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:50:40,388 INFO L225 Difference]: With dead ends: 3182 [2020-10-14 21:50:40,388 INFO L226 Difference]: Without dead ends: 1872 [2020-10-14 21:50:40,392 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:50:40,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1872 states. [2020-10-14 21:50:40,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1872 to 1682. [2020-10-14 21:50:40,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2020-10-14 21:50:40,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2032 transitions. [2020-10-14 21:50:40,441 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2032 transitions. Word has length 346 [2020-10-14 21:50:40,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:50:40,442 INFO L479 AbstractCegarLoop]: Abstraction has 1682 states and 2032 transitions. [2020-10-14 21:50:40,442 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:50:40,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2032 transitions. [2020-10-14 21:50:40,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2020-10-14 21:50:40,449 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:50:40,450 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, 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, 2, 2, 2, 2, 2, 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] [2020-10-14 21:50:40,450 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 21:50:40,450 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:50:40,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:50:40,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1522966973, now seen corresponding path program 1 times [2020-10-14 21:50:40,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:50:40,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1192200506] [2020-10-14 21:50:40,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:50:40,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:40,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:40,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:40,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:41,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:42,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:43,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:43,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:43,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 376 [2020-10-14 21:50:43,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 21:50:43,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3104 [2020-10-14 21:50:43,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:43,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:43,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 21:50:43,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:50:43,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 309 [2020-10-14 21:50:43,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:43,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:50:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:43,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:43,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:43,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:50:43,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:43,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:50:43,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:43,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:43,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:43,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:43,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:50:43,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:43,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:50:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:43,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:43,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:43,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:43,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:50:43,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:50:43,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-14 21:50:43,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:43,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:43,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:43,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:43,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 21:50:43,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:43,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:50:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:43,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:44,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:44,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:44,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:50:44,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:50:44,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-14 21:50:44,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:44,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:44,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:44,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:44,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:50:44,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:44,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:50:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:44,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:44,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:44,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 21:50:44,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:44,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 21:50:44,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:44,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:44,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:50:44,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:50:44,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 21:50:44,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:44,309 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 316 proven. 4 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2020-10-14 21:50:44,309 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1192200506] [2020-10-14 21:50:44,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:50:44,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:50:44,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309794648] [2020-10-14 21:50:44,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:50:44,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:50:44,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:50:44,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:50:44,312 INFO L87 Difference]: Start difference. First operand 1682 states and 2032 transitions. Second operand 7 states. [2020-10-14 21:50:45,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:50:45,846 INFO L93 Difference]: Finished difference Result 3566 states and 4460 transitions. [2020-10-14 21:50:45,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:50:45,847 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 362 [2020-10-14 21:50:45,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:50:45,856 INFO L225 Difference]: With dead ends: 3566 [2020-10-14 21:50:45,857 INFO L226 Difference]: Without dead ends: 2072 [2020-10-14 21:50:45,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 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 21:50:45,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2072 states. [2020-10-14 21:50:45,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2072 to 1692. [2020-10-14 21:50:45,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1692 states. [2020-10-14 21:50:45,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1692 states to 1692 states and 1971 transitions. [2020-10-14 21:50:45,909 INFO L78 Accepts]: Start accepts. Automaton has 1692 states and 1971 transitions. Word has length 362 [2020-10-14 21:50:45,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:50:45,910 INFO L479 AbstractCegarLoop]: Abstraction has 1692 states and 1971 transitions. [2020-10-14 21:50:45,910 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:50:45,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1692 states and 1971 transitions. [2020-10-14 21:50:45,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2020-10-14 21:50:45,918 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:50:45,918 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-10-14 21:50:45,918 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 21:50:45,919 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:50:45,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:50:45,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1504353407, now seen corresponding path program 1 times [2020-10-14 21:50:45,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:50:45,919 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1490181439] [2020-10-14 21:50:45,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:50:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:46,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:46,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:46,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:47,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:48,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:51,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:51,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 454 [2020-10-14 21:50:51,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:50:51,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-14 21:50:51,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:51,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:51,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:50:51,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 306 [2020-10-14 21:50:51,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 21:50:51,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:51,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:50:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:51,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:51,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:51,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:50:51,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:51,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:50:51,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:51,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:51,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:51,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:51,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:51,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:51,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:50:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:51,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:51,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:51,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:50:51,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:51,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:50:51,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:51,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:51,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:51,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:51,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:51,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:51,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:50:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:51,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:51,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:51,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:50:51,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:51,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:50:51,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:51,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:51,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:51,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:51,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:51,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:51,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:50:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:51,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:51,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:51,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:50:51,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:51,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:50:51,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:51,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:51,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:51,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:51,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 21:50:51,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:51,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-10-14 21:50:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:51,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:51,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:51,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:50:51,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:51,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 21:50:51,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:51,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:51,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:50:51,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:50:51,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:50:51,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:51,559 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 464 proven. 2 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2020-10-14 21:50:51,559 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1490181439] [2020-10-14 21:50:51,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:50:51,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:50:51,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53169011] [2020-10-14 21:50:51,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:50:51,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:50:51,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:50:51,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:50:51,561 INFO L87 Difference]: Start difference. First operand 1692 states and 1971 transitions. Second operand 7 states. [2020-10-14 21:50:53,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:50:53,218 INFO L93 Difference]: Finished difference Result 3210 states and 3788 transitions. [2020-10-14 21:50:53,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 21:50:53,220 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 438 [2020-10-14 21:50:53,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:50:53,229 INFO L225 Difference]: With dead ends: 3210 [2020-10-14 21:50:53,230 INFO L226 Difference]: Without dead ends: 1700 [2020-10-14 21:50:53,234 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:50:53,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2020-10-14 21:50:53,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1686. [2020-10-14 21:50:53,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1686 states. [2020-10-14 21:50:53,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1686 states and 1859 transitions. [2020-10-14 21:50:53,280 INFO L78 Accepts]: Start accepts. Automaton has 1686 states and 1859 transitions. Word has length 438 [2020-10-14 21:50:53,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:50:53,281 INFO L479 AbstractCegarLoop]: Abstraction has 1686 states and 1859 transitions. [2020-10-14 21:50:53,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:50:53,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1686 states and 1859 transitions. [2020-10-14 21:50:53,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2020-10-14 21:50:53,293 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:50:53,293 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:50:53,293 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 21:50:53,294 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:50:53,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:50:53,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1007086374, now seen corresponding path program 1 times [2020-10-14 21:50:53,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:50:53,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [67100444] [2020-10-14 21:50:53,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:50:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:53,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:53,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:54,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:55,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:57,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:58,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:58,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 557 [2020-10-14 21:50:58,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:50:58,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 21:50:58,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:58,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:58,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:50:58,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-14 21:50:58,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:50:58,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:58,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:50:58,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:58,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:58,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:58,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:50:58,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:58,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:50:58,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:58,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:58,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:58,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:58,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:58,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:58,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:50:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:58,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:58,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:58,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:50:58,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:58,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:50:58,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:58,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:58,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:58,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:58,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:58,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:58,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:50:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:58,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:58,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:58,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:50:58,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:58,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 21:50:58,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:58,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:58,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:58,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:58,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:50:58,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:58,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:50:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:58,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:58,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:58,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:50:58,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:58,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-10-14 21:50:58,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:58,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:58,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:50:58,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:50:58,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:50:58,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:59,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2020-10-14 21:50:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:59,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:59,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:59,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 21:50:59,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:59,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:50:59,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:59,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:59,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:59,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-14 21:50:59,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:59,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:59,166 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 450 proven. 79 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-10-14 21:50:59,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [67100444] [2020-10-14 21:50:59,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:50:59,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:50:59,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388452007] [2020-10-14 21:50:59,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:50:59,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:50:59,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:50:59,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:50:59,169 INFO L87 Difference]: Start difference. First operand 1686 states and 1859 transitions. Second operand 7 states. [2020-10-14 21:51:00,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:51:00,463 INFO L93 Difference]: Finished difference Result 3562 states and 4061 transitions. [2020-10-14 21:51:00,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:51:00,463 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 541 [2020-10-14 21:51:00,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:51:00,472 INFO L225 Difference]: With dead ends: 3562 [2020-10-14 21:51:00,472 INFO L226 Difference]: Without dead ends: 2248 [2020-10-14 21:51:00,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:51:00,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2248 states. [2020-10-14 21:51:00,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2248 to 2242. [2020-10-14 21:51:00,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2242 states. [2020-10-14 21:51:00,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 2242 states and 2480 transitions. [2020-10-14 21:51:00,523 INFO L78 Accepts]: Start accepts. Automaton has 2242 states and 2480 transitions. Word has length 541 [2020-10-14 21:51:00,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:51:00,523 INFO L479 AbstractCegarLoop]: Abstraction has 2242 states and 2480 transitions. [2020-10-14 21:51:00,524 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:51:00,524 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 2480 transitions. [2020-10-14 21:51:00,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 566 [2020-10-14 21:51:00,530 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:51:00,530 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:51:00,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 21:51:00,531 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:51:00,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:51:00,531 INFO L82 PathProgramCache]: Analyzing trace with hash -226700502, now seen corresponding path program 1 times [2020-10-14 21:51:00,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:51:00,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1785473243] [2020-10-14 21:51:00,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:51:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:00,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:00,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:00,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:01,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:04,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:05,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:05,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 581 [2020-10-14 21:51:05,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:51:05,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-14 21:51:05,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:05,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:05,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 21:51:05,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:51:05,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 251 [2020-10-14 21:51:05,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:05,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:51:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:05,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:05,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:05,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:51:05,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:05,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 21:51:05,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:05,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:05,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:51:05,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:05,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:51:05,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:05,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:51:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:05,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:05,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:05,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:51:05,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:05,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 21:51:05,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:05,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:05,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:51:05,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:51:05,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 21:51:05,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:05,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:51:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:05,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:05,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:05,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:51:05,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:05,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-14 21:51:05,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:05,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:05,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:51:05,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:51:05,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 21:51:05,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:06,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-14 21:51:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:06,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:06,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:06,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:51:06,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:06,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 21:51:06,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:06,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:06,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:06,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:51:06,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:06,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:06,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-10-14 21:51:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:06,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:06,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:06,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 21:51:06,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:06,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:51:06,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:06,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:06,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:06,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-14 21:51:06,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:06,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:06,503 INFO L134 CoverageAnalysis]: Checked inductivity of 817 backedges. 233 proven. 488 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-10-14 21:51:06,503 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1785473243] [2020-10-14 21:51:06,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:51:06,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:51:06,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901994871] [2020-10-14 21:51:06,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:51:06,505 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:51:06,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:51:06,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:51:06,506 INFO L87 Difference]: Start difference. First operand 2242 states and 2480 transitions. Second operand 8 states. [2020-10-14 21:51:08,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:51:08,028 INFO L93 Difference]: Finished difference Result 4124 states and 4606 transitions. [2020-10-14 21:51:08,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 21:51:08,029 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 565 [2020-10-14 21:51:08,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:51:08,037 INFO L225 Difference]: With dead ends: 4124 [2020-10-14 21:51:08,037 INFO L226 Difference]: Without dead ends: 2070 [2020-10-14 21:51:08,042 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-10-14 21:51:08,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2070 states. [2020-10-14 21:51:08,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2070 to 2060. [2020-10-14 21:51:08,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2060 states. [2020-10-14 21:51:08,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2060 states to 2060 states and 2285 transitions. [2020-10-14 21:51:08,084 INFO L78 Accepts]: Start accepts. Automaton has 2060 states and 2285 transitions. Word has length 565 [2020-10-14 21:51:08,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:51:08,084 INFO L479 AbstractCegarLoop]: Abstraction has 2060 states and 2285 transitions. [2020-10-14 21:51:08,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:51:08,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states and 2285 transitions. [2020-10-14 21:51:08,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 652 [2020-10-14 21:51:08,092 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:51:08,092 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:51:08,092 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 21:51:08,093 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:51:08,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:51:08,093 INFO L82 PathProgramCache]: Analyzing trace with hash 33331118, now seen corresponding path program 2 times [2020-10-14 21:51:08,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:51:08,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [262151030] [2020-10-14 21:51:08,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:51:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:08,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:08,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:08,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:11,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:11,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:11,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:12,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:13,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:13,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 669 [2020-10-14 21:51:13,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 21:51:13,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-14 21:51:13,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:13,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:13,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:51:13,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-14 21:51:13,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 294 [2020-10-14 21:51:13,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:13,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:51:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:13,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:13,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:13,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:51:13,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:13,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:51:13,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:13,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:13,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:13,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:13,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:13,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:13,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:51:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:13,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:13,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:13,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:51:13,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:13,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:51:13,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:13,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:13,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:13,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:13,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:13,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:13,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:51:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:13,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:13,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:13,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:51:13,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:13,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-14 21:51:13,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:13,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:13,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:51:13,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:13,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:51:13,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:13,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:51:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:13,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:13,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:13,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:13,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:51:13,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:51:13,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-14 21:51:13,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:13,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:13,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:51:13,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:13,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 21:51:13,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:13,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-10-14 21:51:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:13,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:13,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:13,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:51:13,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:13,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-14 21:51:13,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:13,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:13,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:51:13,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:51:13,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:51:13,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:13,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2020-10-14 21:51:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:13,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:13,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:13,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 21:51:13,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:13,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:51:13,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:13,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:13,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:13,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-14 21:51:13,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:13,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:13,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1257 backedges. 625 proven. 83 refuted. 0 times theorem prover too weak. 549 trivial. 0 not checked. [2020-10-14 21:51:13,978 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [262151030] [2020-10-14 21:51:13,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:51:13,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:51:13,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010403918] [2020-10-14 21:51:13,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:51:13,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:51:13,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:51:13,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:51:13,981 INFO L87 Difference]: Start difference. First operand 2060 states and 2285 transitions. Second operand 8 states. [2020-10-14 21:51:15,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:51:15,813 INFO L93 Difference]: Finished difference Result 5050 states and 5860 transitions. [2020-10-14 21:51:15,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 21:51:15,814 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 651 [2020-10-14 21:51:15,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:51:15,830 INFO L225 Difference]: With dead ends: 5050 [2020-10-14 21:51:15,830 INFO L226 Difference]: Without dead ends: 3362 [2020-10-14 21:51:15,835 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-10-14 21:51:15,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3362 states. [2020-10-14 21:51:15,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3362 to 2988. [2020-10-14 21:51:15,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2988 states. [2020-10-14 21:51:15,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 3315 transitions. [2020-10-14 21:51:15,955 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 3315 transitions. Word has length 651 [2020-10-14 21:51:15,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:51:15,955 INFO L479 AbstractCegarLoop]: Abstraction has 2988 states and 3315 transitions. [2020-10-14 21:51:15,956 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:51:15,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 3315 transitions. [2020-10-14 21:51:15,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 785 [2020-10-14 21:51:15,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:51:15,966 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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] [2020-10-14 21:51:15,966 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 21:51:15,966 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:51:15,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:51:15,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1339175365, now seen corresponding path program 1 times [2020-10-14 21:51:15,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:51:15,968 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [485204407] [2020-10-14 21:51:15,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:51:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:16,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:16,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:16,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:16,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:19,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:21,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:21,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 804 [2020-10-14 21:51:21,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:51:21,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-14 21:51:21,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:21,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:21,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:51:21,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-14 21:51:21,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 248 [2020-10-14 21:51:21,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:21,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:51:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:21,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:21,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:21,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:51:21,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:21,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:51:21,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:21,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:21,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:21,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:21,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:21,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:21,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:51:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:21,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:21,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:21,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:51:21,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:21,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:51:21,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:21,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:21,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:21,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:21,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:21,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:21,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:51:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:21,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:21,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:21,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:51:21,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:21,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 21:51:21,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:21,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:21,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:51:21,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:21,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:51:21,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:21,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:51:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:21,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:21,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:21,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:21,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:51:21,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:51:21,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-14 21:51:21,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:21,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:21,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:51:21,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:51:21,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 21:51:21,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:21,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-10-14 21:51:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:21,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:21,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:21,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:51:21,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:21,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 21:51:21,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:21,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:21,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:51:21,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:51:21,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 21:51:21,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:21,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-10-14 21:51:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:21,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:21,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:21,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:51:21,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:21,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 21:51:21,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:21,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:21,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:21,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:51:21,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:21,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:21,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2020-10-14 21:51:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:21,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:21,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:21,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 21:51:21,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:21,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:51:21,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:21,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:21,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:21,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-14 21:51:21,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:21,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:22,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 793 proven. 393 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2020-10-14 21:51:22,016 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [485204407] [2020-10-14 21:51:22,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:51:22,017 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:51:22,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338835446] [2020-10-14 21:51:22,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:51:22,018 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:51:22,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:51:22,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:51:22,018 INFO L87 Difference]: Start difference. First operand 2988 states and 3315 transitions. Second operand 7 states. [2020-10-14 21:51:23,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:51:23,944 INFO L93 Difference]: Finished difference Result 5800 states and 6466 transitions. [2020-10-14 21:51:23,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:51:23,945 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 784 [2020-10-14 21:51:23,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:51:23,957 INFO L225 Difference]: With dead ends: 5800 [2020-10-14 21:51:23,957 INFO L226 Difference]: Without dead ends: 3184 [2020-10-14 21:51:23,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 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 21:51:23,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3184 states. [2020-10-14 21:51:24,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3184 to 3172. [2020-10-14 21:51:24,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3172 states. [2020-10-14 21:51:24,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3172 states to 3172 states and 3503 transitions. [2020-10-14 21:51:24,023 INFO L78 Accepts]: Start accepts. Automaton has 3172 states and 3503 transitions. Word has length 784 [2020-10-14 21:51:24,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:51:24,024 INFO L479 AbstractCegarLoop]: Abstraction has 3172 states and 3503 transitions. [2020-10-14 21:51:24,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:51:24,024 INFO L276 IsEmpty]: Start isEmpty. Operand 3172 states and 3503 transitions. [2020-10-14 21:51:24,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 818 [2020-10-14 21:51:24,035 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:51:24,035 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:51:24,036 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 21:51:24,036 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:51:24,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:51:24,036 INFO L82 PathProgramCache]: Analyzing trace with hash -130529466, now seen corresponding path program 1 times [2020-10-14 21:51:24,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:51:24,037 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1719269438] [2020-10-14 21:51:24,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:51:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:24,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:24,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:24,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:25,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:29,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:29,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 837 [2020-10-14 21:51:29,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:51:29,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-14 21:51:29,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:29,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:29,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:51:29,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 21:51:29,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:51:29,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:29,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:51:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:29,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:29,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:29,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:51:29,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:29,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:51:29,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:29,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:29,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:29,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:29,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:29,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:29,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:51:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:29,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:29,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:29,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:51:29,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:29,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:51:29,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:29,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:29,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:29,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:29,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:29,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:29,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:51:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:29,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:29,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:29,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:51:29,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:29,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:51:29,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:29,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:29,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:29,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:29,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:29,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:29,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:51:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:29,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:29,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:29,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:51:29,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:29,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:51:29,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:29,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:29,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:29,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:29,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:29,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:29,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:51:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:29,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:29,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:29,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:51:29,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:29,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 21:51:29,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:29,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:29,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:51:29,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:29,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 21:51:29,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:29,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:51:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:29,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:29,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:29,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:51:29,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:29,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-14 21:51:29,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:29,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:29,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:51:29,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:51:29,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:51:29,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:29,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2020-10-14 21:51:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:29,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:29,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:29,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 21:51:29,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:29,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:51:29,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:29,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:29,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:29,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-14 21:51:29,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:29,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:30,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1895 backedges. 850 proven. 79 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2020-10-14 21:51:30,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1719269438] [2020-10-14 21:51:30,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:51:30,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:51:30,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098442433] [2020-10-14 21:51:30,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:51:30,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:51:30,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:51:30,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:51:30,008 INFO L87 Difference]: Start difference. First operand 3172 states and 3503 transitions. Second operand 7 states. [2020-10-14 21:51:31,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:51:31,386 INFO L93 Difference]: Finished difference Result 6902 states and 7798 transitions. [2020-10-14 21:51:31,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:51:31,386 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 817 [2020-10-14 21:51:31,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:51:31,398 INFO L225 Difference]: With dead ends: 6902 [2020-10-14 21:51:31,398 INFO L226 Difference]: Without dead ends: 4102 [2020-10-14 21:51:31,403 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:51:31,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4102 states. [2020-10-14 21:51:31,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4102 to 3910. [2020-10-14 21:51:31,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3910 states. [2020-10-14 21:51:31,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3910 states to 3910 states and 4372 transitions. [2020-10-14 21:51:31,479 INFO L78 Accepts]: Start accepts. Automaton has 3910 states and 4372 transitions. Word has length 817 [2020-10-14 21:51:31,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:51:31,480 INFO L479 AbstractCegarLoop]: Abstraction has 3910 states and 4372 transitions. [2020-10-14 21:51:31,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:51:31,480 INFO L276 IsEmpty]: Start isEmpty. Operand 3910 states and 4372 transitions. [2020-10-14 21:51:31,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 900 [2020-10-14 21:51:31,496 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:51:31,497 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:51:31,498 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 21:51:31,498 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:51:31,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:51:31,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1013060778, now seen corresponding path program 1 times [2020-10-14 21:51:31,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:51:31,499 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [102304490] [2020-10-14 21:51:31,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:51:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:31,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:32,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:32,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:33,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:36,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:36,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 921 [2020-10-14 21:51:36,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:51:36,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 21:51:36,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:36,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:36,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 21:51:36,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 589 [2020-10-14 21:51:36,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 270 [2020-10-14 21:51:36,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:36,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:51:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:36,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:36,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:36,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:51:36,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:36,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:51:36,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:36,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:36,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:36,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:36,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:36,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:36,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:51:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:36,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:36,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:36,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:51:36,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:36,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:51:36,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:36,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:36,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:36,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:36,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:36,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:36,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:51:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:36,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:36,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:36,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:51:36,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:36,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:51:36,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:36,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:36,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:36,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:36,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:36,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:36,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:51:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:36,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:36,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:36,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:51:36,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:36,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:51:36,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:36,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:36,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:36,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:36,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:36,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:36,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:51:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:36,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:36,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:36,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:51:36,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:36,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:51:36,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:36,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:36,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:36,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:36,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:36,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:36,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:51:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:36,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:36,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:36,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:51:36,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:36,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:51:36,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:36,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:36,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:51:36,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:36,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:51:36,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:36,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-14 21:51:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:37,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:37,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:37,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:51:37,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:37,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-14 21:51:37,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:37,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:37,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:51:37,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:51:37,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:51:37,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:37,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 758 [2020-10-14 21:51:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:37,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:37,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:37,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:51:37,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:37,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 21:51:37,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:37,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:37,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:51:37,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:51:37,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 21:51:37,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:37,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2437 backedges. 1385 proven. 6 refuted. 0 times theorem prover too weak. 1046 trivial. 0 not checked. [2020-10-14 21:51:37,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [102304490] [2020-10-14 21:51:37,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:51:37,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 21:51:37,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692014837] [2020-10-14 21:51:37,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 21:51:37,737 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:51:37,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 21:51:37,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:51:37,738 INFO L87 Difference]: Start difference. First operand 3910 states and 4372 transitions. Second operand 9 states. [2020-10-14 21:51:40,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:51:40,257 INFO L93 Difference]: Finished difference Result 8940 states and 10188 transitions. [2020-10-14 21:51:40,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 21:51:40,258 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 899 [2020-10-14 21:51:40,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:51:40,279 INFO L225 Difference]: With dead ends: 8940 [2020-10-14 21:51:40,279 INFO L226 Difference]: Without dead ends: 5402 [2020-10-14 21:51:40,287 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2020-10-14 21:51:40,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5402 states. [2020-10-14 21:51:40,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5402 to 5386. [2020-10-14 21:51:40,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5386 states. [2020-10-14 21:51:40,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5386 states to 5386 states and 6117 transitions. [2020-10-14 21:51:40,388 INFO L78 Accepts]: Start accepts. Automaton has 5386 states and 6117 transitions. Word has length 899 [2020-10-14 21:51:40,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:51:40,388 INFO L479 AbstractCegarLoop]: Abstraction has 5386 states and 6117 transitions. [2020-10-14 21:51:40,389 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 21:51:40,389 INFO L276 IsEmpty]: Start isEmpty. Operand 5386 states and 6117 transitions. [2020-10-14 21:51:40,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 957 [2020-10-14 21:51:40,405 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:51:40,406 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 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 21:51:40,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 21:51:40,407 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:51:40,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:51:40,407 INFO L82 PathProgramCache]: Analyzing trace with hash 1483109017, now seen corresponding path program 1 times [2020-10-14 21:51:40,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:51:40,408 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1675415942] [2020-10-14 21:51:40,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:51:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:40,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:40,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:40,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:42,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:45,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:45,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 978 [2020-10-14 21:51:45,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:51:45,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5051 [2020-10-14 21:51:45,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:45,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:45,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:51:45,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 646 [2020-10-14 21:51:45,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:51:45,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:45,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:51:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:45,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:45,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:45,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:51:45,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:45,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:51:45,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:45,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:45,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:45,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:45,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:45,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:45,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:51:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:45,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:45,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:45,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:51:45,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:45,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:51:45,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:45,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:45,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:45,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:45,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:45,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:45,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:51:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:45,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:45,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:45,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:51:45,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:45,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:51:45,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:45,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:45,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:45,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:45,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:45,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:45,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:51:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:45,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:45,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:45,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:51:45,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:45,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:51:45,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:45,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:45,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:45,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:45,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:45,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:45,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:51:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:45,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:45,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:45,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:51:45,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:45,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:51:45,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:45,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:45,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:45,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:45,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:45,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:45,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:51:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:45,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:45,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:45,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:51:45,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:45,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 21:51:45,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:45,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:45,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:51:45,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:45,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 21:51:45,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:45,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2020-10-14 21:51:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:46,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:46,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:46,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:51:46,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:46,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-14 21:51:46,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:46,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:46,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:51:46,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:51:46,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:51:46,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:46,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2020-10-14 21:51:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:46,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:46,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:46,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:51:46,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:46,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:51:46,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:46,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:46,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:46,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 21:51:46,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:46,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:46,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2669 backedges. 1045 proven. 85 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2020-10-14 21:51:46,667 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1675415942] [2020-10-14 21:51:46,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:51:46,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:51:46,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284135638] [2020-10-14 21:51:46,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:51:46,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:51:46,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:51:46,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:51:46,669 INFO L87 Difference]: Start difference. First operand 5386 states and 6117 transitions. Second operand 7 states. [2020-10-14 21:51:48,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:51:48,163 INFO L93 Difference]: Finished difference Result 12430 states and 14346 transitions. [2020-10-14 21:51:48,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:51:48,169 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 956 [2020-10-14 21:51:48,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:51:48,189 INFO L225 Difference]: With dead ends: 12430 [2020-10-14 21:51:48,189 INFO L226 Difference]: Without dead ends: 7232 [2020-10-14 21:51:48,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:51:48,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7232 states. [2020-10-14 21:51:48,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7232 to 6310. [2020-10-14 21:51:48,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6310 states. [2020-10-14 21:51:48,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6310 states to 6310 states and 7146 transitions. [2020-10-14 21:51:48,309 INFO L78 Accepts]: Start accepts. Automaton has 6310 states and 7146 transitions. Word has length 956 [2020-10-14 21:51:48,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:51:48,310 INFO L479 AbstractCegarLoop]: Abstraction has 6310 states and 7146 transitions. [2020-10-14 21:51:48,310 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:51:48,310 INFO L276 IsEmpty]: Start isEmpty. Operand 6310 states and 7146 transitions. [2020-10-14 21:51:48,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1008 [2020-10-14 21:51:48,328 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:51:48,328 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:51:48,329 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 21:51:48,329 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:51:48,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:51:48,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1650902778, now seen corresponding path program 1 times [2020-10-14 21:51:48,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:51:48,330 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1431437620] [2020-10-14 21:51:48,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:51:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:48,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:48,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:48,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:53,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:53,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1031 [2020-10-14 21:51:53,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:51:53,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-14 21:51:53,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:53,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:53,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:51:53,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 21:51:53,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 21:51:53,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:53,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:51:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:53,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:53,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:53,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:51:53,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:53,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 21:51:53,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:53,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:53,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:53,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:53,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:53,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:53,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:51:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:53,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:53,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:53,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:51:53,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:53,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:51:53,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:53,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:53,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:53,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:53,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:53,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:53,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:51:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:53,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:53,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:53,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:51:53,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:53,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:51:53,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:53,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:53,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:53,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:53,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:53,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:53,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:51:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:53,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:53,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:53,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:51:53,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:53,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:51:53,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:53,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:53,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:53,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:53,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:53,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:53,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:51:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:53,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:53,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:53,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:51:53,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:53,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 21:51:53,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:53,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:53,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:51:53,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:53,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 21:51:53,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:53,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:51:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:53,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:53,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:53,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:51:53,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:53,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 21:51:53,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:53,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:53,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:51:53,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:51:53,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 21:51:53,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:53,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-14 21:51:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:53,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:53,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:53,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:51:53,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:53,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 21:51:53,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:53,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:53,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:53,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:51:53,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:53,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:53,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 758 [2020-10-14 21:51:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:54,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:54,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:54,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:51:54,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:54,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:51:54,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:54,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:54,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:54,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:51:54,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:54,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:54,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 841 [2020-10-14 21:51:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:54,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:54,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:54,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 21:51:54,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:54,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 21:51:54,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:54,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:54,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:54,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-14 21:51:54,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:54,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:54,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3189 backedges. 803 proven. 221 refuted. 0 times theorem prover too weak. 2165 trivial. 0 not checked. [2020-10-14 21:51:54,584 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1431437620] [2020-10-14 21:51:54,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:51:54,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:51:54,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961173761] [2020-10-14 21:51:54,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:51:54,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:51:54,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:51:54,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:51:54,586 INFO L87 Difference]: Start difference. First operand 6310 states and 7146 transitions. Second operand 8 states. [2020-10-14 21:51:56,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:51:56,373 INFO L93 Difference]: Finished difference Result 13546 states and 15660 transitions. [2020-10-14 21:51:56,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:51:56,377 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1007 [2020-10-14 21:51:56,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:51:56,397 INFO L225 Difference]: With dead ends: 13546 [2020-10-14 21:51:56,397 INFO L226 Difference]: Without dead ends: 7608 [2020-10-14 21:51:56,409 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-14 21:51:56,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7608 states. [2020-10-14 21:51:56,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7608 to 7604. [2020-10-14 21:51:56,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7604 states. [2020-10-14 21:51:56,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7604 states to 7604 states and 8758 transitions. [2020-10-14 21:51:56,550 INFO L78 Accepts]: Start accepts. Automaton has 7604 states and 8758 transitions. Word has length 1007 [2020-10-14 21:51:56,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:51:56,551 INFO L479 AbstractCegarLoop]: Abstraction has 7604 states and 8758 transitions. [2020-10-14 21:51:56,551 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:51:56,551 INFO L276 IsEmpty]: Start isEmpty. Operand 7604 states and 8758 transitions. [2020-10-14 21:51:56,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1026 [2020-10-14 21:51:56,575 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:51:56,577 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:51:56,577 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 21:51:56,578 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:51:56,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:51:56,579 INFO L82 PathProgramCache]: Analyzing trace with hash 688455362, now seen corresponding path program 1 times [2020-10-14 21:51:56,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:51:56,579 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [798479326] [2020-10-14 21:51:56,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:51:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:56,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:56,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:57,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:58,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:59,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:01,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:01,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1049 [2020-10-14 21:52:01,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:52:01,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5065 [2020-10-14 21:52:01,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:01,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:01,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:52:01,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 350 [2020-10-14 21:52:01,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:52:01,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:52:01,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:52:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:01,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:01,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:01,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:52:01,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:01,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:52:01,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:01,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:01,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:01,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:01,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:01,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:01,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:52:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:01,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:01,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:01,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:52:01,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:01,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:52:01,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:01,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:01,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:01,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:01,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:01,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:02,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:52:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:02,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:02,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:02,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:52:02,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:02,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:52:02,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:02,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:02,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:02,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:02,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:02,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:02,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:52:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:02,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:02,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:02,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:52:02,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:02,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 21:52:02,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:02,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:02,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:52:02,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:02,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-14 21:52:02,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:02,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:52:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:02,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:02,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:02,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:52:02,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:02,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-14 21:52:02,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:02,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:02,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:52:02,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:52:02,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 21:52:02,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:02,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-10-14 21:52:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:02,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:02,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:02,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:52:02,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:02,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:52:02,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:02,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:02,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:02,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 21:52:02,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:02,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:02,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2020-10-14 21:52:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:02,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:02,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:02,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:52:02,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:02,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 21:52:02,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:02,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:02,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:02,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:52:02,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:02,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:02,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2020-10-14 21:52:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:02,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:02,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:02,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:52:02,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:02,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 21:52:02,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:02,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:02,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:02,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:52:02,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:02,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:02,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 859 [2020-10-14 21:52:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:02,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:02,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:02,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 21:52:02,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:02,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-14 21:52:02,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:02,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:02,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:02,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-14 21:52:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:02,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:03,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3207 backedges. 833 proven. 437 refuted. 0 times theorem prover too weak. 1937 trivial. 0 not checked. [2020-10-14 21:52:03,441 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [798479326] [2020-10-14 21:52:03,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:52:03,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:52:03,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100509505] [2020-10-14 21:52:03,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:52:03,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:52:03,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:52:03,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:52:03,444 INFO L87 Difference]: Start difference. First operand 7604 states and 8758 transitions. Second operand 7 states. [2020-10-14 21:52:05,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:52:05,043 INFO L93 Difference]: Finished difference Result 14848 states and 17165 transitions. [2020-10-14 21:52:05,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 21:52:05,044 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1025 [2020-10-14 21:52:05,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:52:05,063 INFO L225 Difference]: With dead ends: 14848 [2020-10-14 21:52:05,063 INFO L226 Difference]: Without dead ends: 7616 [2020-10-14 21:52:05,077 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:52:05,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7616 states. [2020-10-14 21:52:05,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7616 to 7244. [2020-10-14 21:52:05,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7244 states. [2020-10-14 21:52:05,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7244 states to 7244 states and 8079 transitions. [2020-10-14 21:52:05,207 INFO L78 Accepts]: Start accepts. Automaton has 7244 states and 8079 transitions. Word has length 1025 [2020-10-14 21:52:05,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:52:05,208 INFO L479 AbstractCegarLoop]: Abstraction has 7244 states and 8079 transitions. [2020-10-14 21:52:05,208 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:52:05,208 INFO L276 IsEmpty]: Start isEmpty. Operand 7244 states and 8079 transitions. [2020-10-14 21:52:05,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1130 [2020-10-14 21:52:05,234 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:52:05,235 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 21:52:05,235 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 21:52:05,235 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:52:05,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:52:05,236 INFO L82 PathProgramCache]: Analyzing trace with hash -817089646, now seen corresponding path program 1 times [2020-10-14 21:52:05,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:52:05,236 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [992977769] [2020-10-14 21:52:05,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:52:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:05,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:05,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:07,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:08,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:09,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:10,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:10,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1155 [2020-10-14 21:52:10,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:52:10,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5058 [2020-10-14 21:52:10,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:10,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:10,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:52:10,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 956 [2020-10-14 21:52:10,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-14 21:52:10,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:10,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:52:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:10,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:10,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:10,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:52:10,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:10,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:52:10,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:10,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:10,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:10,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:10,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:10,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:10,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:52:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:10,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:10,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:10,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:52:10,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:10,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:52:10,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:10,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:10,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:10,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:10,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:10,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:10,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:52:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:10,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:10,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:10,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:52:10,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:10,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:52:10,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:10,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:10,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:10,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:10,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:10,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:10,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:52:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:10,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:10,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:10,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:52:10,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:10,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:52:10,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:10,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:10,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:10,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:10,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:10,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:10,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:52:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:10,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:10,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:10,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:52:10,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:10,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:52:10,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:10,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:10,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:10,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:10,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:10,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:10,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:52:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:10,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:10,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:10,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:52:10,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:10,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 21:52:10,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:10,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:10,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:10,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:10,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:10,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:10,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:52:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:10,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:10,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:10,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:52:10,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:10,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:52:10,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:10,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:10,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:10,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:10,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:10,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:52:11,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:52:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:11,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:11,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:11,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:52:11,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:11,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:52:11,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:11,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:11,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:11,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:11,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:11,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:11,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:52:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:11,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:11,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:11,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:52:11,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:11,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:52:11,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:11,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:11,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:52:11,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:11,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 21:52:11,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:11,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 940 [2020-10-14 21:52:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:11,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:11,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:11,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-14 21:52:11,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:11,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-14 21:52:11,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:11,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:11,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:52:11,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:52:11,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-14 21:52:11,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:11,841 INFO L134 CoverageAnalysis]: Checked inductivity of 3958 backedges. 1359 proven. 2 refuted. 0 times theorem prover too weak. 2597 trivial. 0 not checked. [2020-10-14 21:52:11,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [992977769] [2020-10-14 21:52:11,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:52:11,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:52:11,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435956601] [2020-10-14 21:52:11,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:52:11,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:52:11,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:52:11,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:52:11,844 INFO L87 Difference]: Start difference. First operand 7244 states and 8079 transitions. Second operand 7 states. [2020-10-14 21:52:13,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:52:13,345 INFO L93 Difference]: Finished difference Result 15622 states and 17637 transitions. [2020-10-14 21:52:13,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:52:13,353 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1129 [2020-10-14 21:52:13,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:52:13,370 INFO L225 Difference]: With dead ends: 15622 [2020-10-14 21:52:13,370 INFO L226 Difference]: Without dead ends: 6900 [2020-10-14 21:52:13,386 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:52:13,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6900 states. [2020-10-14 21:52:13,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6900 to 6856. [2020-10-14 21:52:13,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6856 states. [2020-10-14 21:52:13,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6856 states to 6856 states and 7534 transitions. [2020-10-14 21:52:13,494 INFO L78 Accepts]: Start accepts. Automaton has 6856 states and 7534 transitions. Word has length 1129 [2020-10-14 21:52:13,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:52:13,495 INFO L479 AbstractCegarLoop]: Abstraction has 6856 states and 7534 transitions. [2020-10-14 21:52:13,495 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:52:13,495 INFO L276 IsEmpty]: Start isEmpty. Operand 6856 states and 7534 transitions. [2020-10-14 21:52:13,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1130 [2020-10-14 21:52:13,518 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:52:13,519 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 21:52:13,519 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 21:52:13,519 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:52:13,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:52:13,520 INFO L82 PathProgramCache]: Analyzing trace with hash -2044418446, now seen corresponding path program 1 times [2020-10-14 21:52:13,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:52:13,521 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [440828662] [2020-10-14 21:52:13,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:52:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:13,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:14,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:15,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:17,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:18,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:18,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1155 [2020-10-14 21:52:18,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:52:18,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5113 [2020-10-14 21:52:18,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:18,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:18,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:52:18,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 871 [2020-10-14 21:52:18,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-14 21:52:18,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:52:19,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:52:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:19,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:19,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:19,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:52:19,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:19,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:52:19,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:19,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:19,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:19,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:19,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:19,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:52:19,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:52:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:19,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:19,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:19,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:52:19,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:19,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:52:19,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:19,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:19,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:19,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:19,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:19,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:52:19,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:52:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:19,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:19,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:19,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:52:19,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:19,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:52:19,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:19,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:19,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:19,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:19,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:19,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:52:19,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:52:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:19,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:19,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:19,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:52:19,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:19,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:52:19,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:19,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:19,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:19,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:19,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:19,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:19,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:52:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:19,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:19,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:19,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:52:19,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:19,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:52:19,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:19,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:19,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:19,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:19,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:19,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:19,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:52:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:19,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:19,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:19,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:52:19,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:19,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 21:52:19,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:19,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:19,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:19,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:19,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:19,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:19,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:52:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:19,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:19,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:19,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:52:19,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:19,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:52:19,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:19,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:19,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:19,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:19,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:19,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:19,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:52:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:19,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:19,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:19,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:52:19,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:19,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-14 21:52:19,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:19,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:19,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:52:19,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:19,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 21:52:19,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:19,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:52:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:19,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:19,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:19,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 21:52:19,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:19,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 21:52:19,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:19,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:19,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:52:19,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:52:19,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 21:52:19,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:19,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 969 [2020-10-14 21:52:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:19,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:19,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:19,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-14 21:52:19,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:19,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 21:52:19,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:19,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:19,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:19,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 103 [2020-10-14 21:52:19,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:19,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:20,264 INFO L134 CoverageAnalysis]: Checked inductivity of 4041 backedges. 1253 proven. 104 refuted. 0 times theorem prover too weak. 2684 trivial. 0 not checked. [2020-10-14 21:52:20,265 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [440828662] [2020-10-14 21:52:20,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:52:20,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:52:20,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999402946] [2020-10-14 21:52:20,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:52:20,266 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:52:20,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:52:20,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:52:20,267 INFO L87 Difference]: Start difference. First operand 6856 states and 7534 transitions. Second operand 7 states. [2020-10-14 21:52:21,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:52:21,641 INFO L93 Difference]: Finished difference Result 13340 states and 14694 transitions. [2020-10-14 21:52:21,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:52:21,642 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1129 [2020-10-14 21:52:21,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:52:21,656 INFO L225 Difference]: With dead ends: 13340 [2020-10-14 21:52:21,657 INFO L226 Difference]: Without dead ends: 6856 [2020-10-14 21:52:21,669 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:52:21,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6856 states. [2020-10-14 21:52:21,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6856 to 6484. [2020-10-14 21:52:21,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6484 states. [2020-10-14 21:52:21,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6484 states to 6484 states and 6951 transitions. [2020-10-14 21:52:21,764 INFO L78 Accepts]: Start accepts. Automaton has 6484 states and 6951 transitions. Word has length 1129 [2020-10-14 21:52:21,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:52:21,765 INFO L479 AbstractCegarLoop]: Abstraction has 6484 states and 6951 transitions. [2020-10-14 21:52:21,765 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:52:21,765 INFO L276 IsEmpty]: Start isEmpty. Operand 6484 states and 6951 transitions. [2020-10-14 21:52:21,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1262 [2020-10-14 21:52:21,786 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:52:21,787 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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, 7, 6, 6, 5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:52:21,787 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 21:52:21,787 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:52:21,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:52:21,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1660067954, now seen corresponding path program 1 times [2020-10-14 21:52:21,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:52:21,788 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1467196261] [2020-10-14 21:52:21,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:52:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:22,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:22,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:24,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:27,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:27,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1289 [2020-10-14 21:52:27,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:52:27,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5099 [2020-10-14 21:52:27,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:27,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:27,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 21:52:27,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-14 21:52:27,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 416 [2020-10-14 21:52:27,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:27,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:52:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:27,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:27,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:27,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:52:27,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:27,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:52:27,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:27,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:27,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:27,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:27,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:27,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:27,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:52:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:27,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:27,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:27,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:52:27,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:27,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:52:27,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:27,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:27,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:27,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:27,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:27,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:27,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:52:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:27,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:27,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:27,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:52:27,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:27,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:52:27,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:27,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:27,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:27,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:27,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:27,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:27,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:52:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:27,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:27,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:27,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:52:27,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:27,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:52:27,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:27,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:27,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:27,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:27,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:27,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:27,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:52:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:27,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:27,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:27,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:52:27,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:27,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 21:52:27,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:27,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:27,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:27,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:27,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:27,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:27,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:52:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:27,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:27,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:27,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:52:27,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:27,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 21:52:27,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:27,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:27,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:27,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:27,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:27,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:52:27,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:52:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:27,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:27,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:27,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:52:27,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:27,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:52:27,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:27,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:27,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:52:27,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:27,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:52:27,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:27,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:52:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:27,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:27,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:27,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:52:27,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:27,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-14 21:52:27,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:27,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:27,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:52:27,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:52:27,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:52:27,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:27,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:52:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:27,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:27,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:27,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:52:27,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:27,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 21:52:27,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:27,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:27,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:52:27,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:52:27,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-14 21:52:27,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:28,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:52:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:28,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:28,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:28,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 21:52:28,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:28,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 21:52:28,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:28,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:28,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:52:28,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:52:28,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 21:52:28,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:28,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2020-10-14 21:52:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:28,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:28,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:28,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 21:52:28,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:28,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:52:28,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:28,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:28,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:28,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 21:52:28,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:28,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:29,237 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 2682 proven. 459 refuted. 0 times theorem prover too weak. 1971 trivial. 0 not checked. [2020-10-14 21:52:29,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1467196261] [2020-10-14 21:52:29,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:52:29,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-14 21:52:29,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113997968] [2020-10-14 21:52:29,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 21:52:29,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:52:29,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 21:52:29,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:52:29,240 INFO L87 Difference]: Start difference. First operand 6484 states and 6951 transitions. Second operand 12 states. [2020-10-14 21:52:32,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:52:32,207 INFO L93 Difference]: Finished difference Result 12986 states and 13938 transitions. [2020-10-14 21:52:32,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 21:52:32,208 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 1261 [2020-10-14 21:52:32,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:52:32,220 INFO L225 Difference]: With dead ends: 12986 [2020-10-14 21:52:32,220 INFO L226 Difference]: Without dead ends: 6874 [2020-10-14 21:52:32,226 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=175, Invalid=527, Unknown=0, NotChecked=0, Total=702 [2020-10-14 21:52:32,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6874 states. [2020-10-14 21:52:32,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6874 to 6670. [2020-10-14 21:52:32,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6670 states. [2020-10-14 21:52:32,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6670 states to 6670 states and 7140 transitions. [2020-10-14 21:52:32,319 INFO L78 Accepts]: Start accepts. Automaton has 6670 states and 7140 transitions. Word has length 1261 [2020-10-14 21:52:32,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:52:32,320 INFO L479 AbstractCegarLoop]: Abstraction has 6670 states and 7140 transitions. [2020-10-14 21:52:32,320 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 21:52:32,321 INFO L276 IsEmpty]: Start isEmpty. Operand 6670 states and 7140 transitions. [2020-10-14 21:52:32,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1520 [2020-10-14 21:52:32,349 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:52:32,350 INFO L422 BasicCegarLoop]: trace histogram [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, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 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, 8, 8, 7, 7, 7, 7, 7, 6, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:52:32,350 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 21:52:32,351 INFO L427 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:52:32,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:52:32,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1880883950, now seen corresponding path program 1 times [2020-10-14 21:52:32,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:52:32,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1381070956] [2020-10-14 21:52:32,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:52:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:32,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:32,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:34,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:36,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:37,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:37,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1551 [2020-10-14 21:52:37,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:52:37,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5066 [2020-10-14 21:52:37,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:37,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:37,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:52:37,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1133 [2020-10-14 21:52:37,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 235 [2020-10-14 21:52:37,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:37,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:52:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:37,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:37,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:37,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:52:37,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:37,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:52:37,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:37,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:37,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:37,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:37,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:37,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:37,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:52:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:37,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:37,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:37,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:52:37,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:37,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:52:37,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:37,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:37,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:37,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:37,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:37,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:37,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:52:37,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:37,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:37,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:37,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:52:37,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:37,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:52:37,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:37,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:37,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:37,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:37,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:37,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:37,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:52:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:37,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:37,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:37,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:52:37,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:37,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:52:37,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:37,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:37,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:37,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:37,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:37,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:37,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:52:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:37,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:37,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:37,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:52:37,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:37,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:52:37,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:37,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:37,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:37,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:37,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:37,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:37,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:52:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:37,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:38,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:38,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:52:38,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:38,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:52:38,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:38,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:38,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:38,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:38,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:38,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:38,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:52:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:38,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:38,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:38,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:52:38,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:38,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:52:38,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:38,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:38,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:38,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:38,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:38,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:38,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:52:38,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:38,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:38,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:38,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:52:38,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:38,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:52:38,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:38,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:38,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:38,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:38,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:38,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:38,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:52:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:38,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:38,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:38,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:52:38,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:38,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:52:38,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:38,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:38,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:38,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:38,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:38,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:38,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:52:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:38,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:38,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:38,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:52:38,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:38,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 21:52:38,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:38,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:38,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:52:38,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:38,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-14 21:52:38,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:38,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:52:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:38,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:38,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:38,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:38,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:52:38,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:52:38,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-10-14 21:52:38,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:38,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:38,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:52:38,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:52:38,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-14 21:52:38,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:38,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1233 [2020-10-14 21:52:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:38,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:38,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:38,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 21:52:38,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:38,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-14 21:52:38,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:38,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:38,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:52:38,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:52:38,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 21:52:38,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:38,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1345 [2020-10-14 21:52:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:38,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:38,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:38,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 21:52:38,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:38,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 21:52:38,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:38,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:38,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:38,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 21:52:38,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:38,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:52:39,808 INFO L134 CoverageAnalysis]: Checked inductivity of 7541 backedges. 2615 proven. 228 refuted. 0 times theorem prover too weak. 4698 trivial. 0 not checked. [2020-10-14 21:52:39,808 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1381070956] [2020-10-14 21:52:39,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:52:39,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:52:39,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937412461] [2020-10-14 21:52:39,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:52:39,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:52:39,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:52:39,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:52:39,810 INFO L87 Difference]: Start difference. First operand 6670 states and 7140 transitions. Second operand 8 states. [2020-10-14 21:52:41,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:52:41,920 INFO L93 Difference]: Finished difference Result 13352 states and 14307 transitions. [2020-10-14 21:52:41,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 21:52:41,920 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1519 [2020-10-14 21:52:41,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:52:41,934 INFO L225 Difference]: With dead ends: 13352 [2020-10-14 21:52:41,934 INFO L226 Difference]: Without dead ends: 7054 [2020-10-14 21:52:41,942 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-14 21:52:41,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7054 states. [2020-10-14 21:52:42,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7054 to 6306. [2020-10-14 21:52:42,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6306 states. [2020-10-14 21:52:42,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6306 states to 6306 states and 6717 transitions. [2020-10-14 21:52:42,034 INFO L78 Accepts]: Start accepts. Automaton has 6306 states and 6717 transitions. Word has length 1519 [2020-10-14 21:52:42,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:52:42,035 INFO L479 AbstractCegarLoop]: Abstraction has 6306 states and 6717 transitions. [2020-10-14 21:52:42,036 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:52:42,036 INFO L276 IsEmpty]: Start isEmpty. Operand 6306 states and 6717 transitions. [2020-10-14 21:52:42,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1583 [2020-10-14 21:52:42,062 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:52:42,063 INFO L422 BasicCegarLoop]: trace histogram [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, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 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, 8, 7, 7, 7, 7, 7, 7, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 21:52:42,063 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 21:52:42,063 INFO L427 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:52:42,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:52:42,064 INFO L82 PathProgramCache]: Analyzing trace with hash 1534959857, now seen corresponding path program 1 times [2020-10-14 21:52:42,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:52:42,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1015044319] [2020-10-14 21:52:42,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:52:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:42,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:43,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:44,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:44,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1614 [2020-10-14 21:52:44,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:52:44,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2056 [2020-10-14 21:52:44,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:44,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:44,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:52:44,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1430 [2020-10-14 21:52:44,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 21:52:44,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:44,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:52:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:44,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:44,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:44,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:52:44,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:44,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:52:44,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:44,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:44,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:44,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:44,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:44,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:44,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:52:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:44,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:44,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:44,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:52:44,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:44,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:52:44,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:44,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:44,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:44,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:44,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:44,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:44,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:52:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:44,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:44,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:44,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:52:44,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:44,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:52:44,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:44,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:44,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:44,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:44,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:44,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:44,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:52:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:44,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:44,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:44,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:52:44,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:44,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:52:44,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:44,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:44,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:44,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:44,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:44,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:44,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:52:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:44,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:44,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:44,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:52:44,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:44,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:52:44,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:44,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:44,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:44,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:44,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:44,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:44,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:52:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:44,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:44,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:44,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:52:44,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:44,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:52:44,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:44,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:44,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:44,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:44,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:44,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:44,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:52:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:44,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:44,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:44,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:52:44,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:44,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 21:52:44,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:44,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:44,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:44,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:44,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:44,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:44,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:52:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:44,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:44,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:44,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:52:44,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:44,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 21:52:44,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:44,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:44,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:44,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:44,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:44,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:44,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:52:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:44,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:44,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:44,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:52:44,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:44,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:52:44,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:44,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:44,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:44,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:44,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:44,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:52:44,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:52:44,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:44,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:44,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:44,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:52:44,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:44,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 21:52:44,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:44,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:44,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:44,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:44,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:44,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:45,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:52:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:45,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:45,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:45,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:52:45,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:45,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 21:52:45,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:45,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:45,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:45,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:45,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:45,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:45,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:52:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:45,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:45,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:45,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 21:52:45,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:45,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 21:52:45,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:45,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:45,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:52:45,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:45,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 21:52:45,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:45,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1408 [2020-10-14 21:52:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:45,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:45,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:45,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 21:52:45,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:45,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 21:52:45,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:45,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:45,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:52:45,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:52:45,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 21:52:45,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:46,211 INFO L134 CoverageAnalysis]: Checked inductivity of 7677 backedges. 1887 proven. 2 refuted. 0 times theorem prover too weak. 5788 trivial. 0 not checked. [2020-10-14 21:52:46,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1015044319] [2020-10-14 21:52:46,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:52:46,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:52:46,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435248882] [2020-10-14 21:52:46,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:52:46,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:52:46,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:52:46,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:52:46,214 INFO L87 Difference]: Start difference. First operand 6306 states and 6717 transitions. Second operand 7 states. [2020-10-14 21:52:47,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:52:47,828 INFO L93 Difference]: Finished difference Result 12272 states and 13136 transitions. [2020-10-14 21:52:47,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:52:47,832 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1582 [2020-10-14 21:52:47,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:52:47,842 INFO L225 Difference]: With dead ends: 12272 [2020-10-14 21:52:47,843 INFO L226 Difference]: Without dead ends: 5040 [2020-10-14 21:52:47,850 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 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 21:52:47,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5040 states. [2020-10-14 21:52:47,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5040 to 4632. [2020-10-14 21:52:47,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4632 states. [2020-10-14 21:52:47,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4632 states to 4632 states and 4826 transitions. [2020-10-14 21:52:47,904 INFO L78 Accepts]: Start accepts. Automaton has 4632 states and 4826 transitions. Word has length 1582 [2020-10-14 21:52:47,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:52:47,905 INFO L479 AbstractCegarLoop]: Abstraction has 4632 states and 4826 transitions. [2020-10-14 21:52:47,905 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:52:47,905 INFO L276 IsEmpty]: Start isEmpty. Operand 4632 states and 4826 transitions. [2020-10-14 21:52:47,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1712 [2020-10-14 21:52:47,931 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:52:47,932 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:52:47,932 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 21:52:47,933 INFO L427 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:52:47,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:52:47,933 INFO L82 PathProgramCache]: Analyzing trace with hash -2024251614, now seen corresponding path program 1 times [2020-10-14 21:52:47,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:52:47,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2077619738] [2020-10-14 21:52:47,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:52:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:48,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:49,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:51,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:51,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1745 [2020-10-14 21:52:51,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:52:51,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3371 [2020-10-14 21:52:51,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:51,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:51,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 21:52:51,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1561 [2020-10-14 21:52:51,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-14 21:52:51,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:51,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:52:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:51,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:51,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:51,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:52:51,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:51,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:52:51,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:51,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:51,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:51,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:51,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:51,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:51,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:52:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:51,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:51,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:51,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:52:51,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:51,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:52:51,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:51,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:51,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:51,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:51,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:51,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:52:51,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:52:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:51,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:51,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:51,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:52:51,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:51,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:52:51,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:51,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:51,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:51,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:51,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:51,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:51,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:52:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:51,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:51,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:51,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:52:51,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:51,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:52:51,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:51,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:51,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:51,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:51,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:51,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:51,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:52:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:51,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:51,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:51,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:52:51,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:51,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:52:51,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:51,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:51,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:51,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:51,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:51,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:51,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:52:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:51,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:51,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:51,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:52:51,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:51,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:52:51,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:51,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:51,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:51,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:51,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:51,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:52,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:52:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:52,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:52,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:52,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:52:52,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:52,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:52:52,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:52,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:52,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:52,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:52,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:52,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:52,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:52:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:52,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:52,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:52,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:52:52,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:52,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:52:52,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:52,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:52,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:52,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:52,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:52,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:52,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:52:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:52,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:52,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:52,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:52:52,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:52,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:52:52,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:52,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:52,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:52,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:52,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:52,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:52,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:52:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:52,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:52,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:52,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:52:52,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:52,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:52:52,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:52,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:52,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:52,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:52,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:52,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:52,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:52:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:52,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:52,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:52,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:52:52,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:52,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:52:52,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:52,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:52,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:52,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:52,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:52,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:52,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:52:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:52,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:52,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:52,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:52:52,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:52,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:52:52,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:52,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:52,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:52,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:52,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:52,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:52,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 21:52:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:52,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:52,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:52,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 21:52:52,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:52,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-14 21:52:52,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:52,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:52,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:52:52,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:52,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 21:52:52,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:52,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2020-10-14 21:52:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:52,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:52,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:52,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 21:52:52,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:52,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-14 21:52:52,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:52,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:52,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:52:52,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:52:52,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 21:52:52,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:53,848 INFO L134 CoverageAnalysis]: Checked inductivity of 9098 backedges. 1997 proven. 71 refuted. 0 times theorem prover too weak. 7030 trivial. 0 not checked. [2020-10-14 21:52:53,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2077619738] [2020-10-14 21:52:53,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:52:53,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:52:53,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128239068] [2020-10-14 21:52:53,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:52:53,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:52:53,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:52:53,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:52:53,851 INFO L87 Difference]: Start difference. First operand 4632 states and 4826 transitions. Second operand 8 states. [2020-10-14 21:52:56,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:52:56,224 INFO L93 Difference]: Finished difference Result 9084 states and 9470 transitions. [2020-10-14 21:52:56,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:52:56,225 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1711 [2020-10-14 21:52:56,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:52:56,232 INFO L225 Difference]: With dead ends: 9084 [2020-10-14 21:52:56,232 INFO L226 Difference]: Without dead ends: 4640 [2020-10-14 21:52:56,235 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:52:56,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4640 states. [2020-10-14 21:52:56,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4640 to 4632. [2020-10-14 21:52:56,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4632 states. [2020-10-14 21:52:56,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4632 states to 4632 states and 4816 transitions. [2020-10-14 21:52:56,276 INFO L78 Accepts]: Start accepts. Automaton has 4632 states and 4816 transitions. Word has length 1711 [2020-10-14 21:52:56,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:52:56,277 INFO L479 AbstractCegarLoop]: Abstraction has 4632 states and 4816 transitions. [2020-10-14 21:52:56,277 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:52:56,277 INFO L276 IsEmpty]: Start isEmpty. Operand 4632 states and 4816 transitions. [2020-10-14 21:52:56,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1815 [2020-10-14 21:52:56,299 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:52:56,300 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 9, 8, 8, 8, 8, 7, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:52:56,300 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 21:52:56,300 INFO L427 AbstractCegarLoop]: === Iteration 24 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:52:56,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:52:56,301 INFO L82 PathProgramCache]: Analyzing trace with hash 474822977, now seen corresponding path program 1 times [2020-10-14 21:52:56,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:52:56,301 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [460877284] [2020-10-14 21:52:56,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:52:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:56,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:57,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:57,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:01,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:01,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:01,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1850 [2020-10-14 21:53:01,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:53:01,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5074 [2020-10-14 21:53:01,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:01,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:01,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:53:01,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1432 [2020-10-14 21:53:01,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 235 [2020-10-14 21:53:01,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:01,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:53:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:01,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:01,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:01,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:53:01,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:01,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:53:01,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:01,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:01,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:01,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:01,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:01,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:01,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:53:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:01,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:01,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:01,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:53:01,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:01,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:53:01,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:01,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:01,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:01,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:01,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:01,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:01,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:53:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:01,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:01,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:01,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:53:01,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:01,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:53:01,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:01,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:01,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:01,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:01,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:01,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:01,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:53:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:01,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:01,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:01,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:53:01,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:01,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:53:01,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:01,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:01,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:01,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:01,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:01,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:01,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:53:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:01,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:01,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:01,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:53:01,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:01,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:53:01,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:01,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:01,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:01,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:01,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:01,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:01,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:53:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:01,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:01,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:01,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:53:01,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:01,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:53:01,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:01,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:01,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:01,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:01,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:01,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:01,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:53:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:01,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:02,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:02,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:53:02,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:02,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:53:02,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:02,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:02,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:02,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:02,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:02,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:02,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:53:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:02,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:02,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:02,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:53:02,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:02,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:53:02,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:02,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:02,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:02,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:02,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:02,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:02,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:53:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:02,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:02,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:02,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:53:02,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:02,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:53:02,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:02,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:02,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:02,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:02,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:02,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:53:02,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:53:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:02,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:02,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:02,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:53:02,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:02,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 21:53:02,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:02,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:02,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:02,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:02,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:02,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:02,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:53:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:02,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:02,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:02,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:53:02,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:02,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 21:53:02,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:02,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:02,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:02,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:02,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:02,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:53:02,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:53:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:02,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:02,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:02,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:53:02,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:02,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 21:53:02,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:02,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:02,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:53:02,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:02,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 21:53:02,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:53:02,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 21:53:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:02,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:02,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:02,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:02,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:53:02,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:53:02,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-14 21:53:02,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:02,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:02,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:53:02,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:02,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 21:53:02,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:02,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1528 [2020-10-14 21:53:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:02,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:02,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:02,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 21:53:02,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:02,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-14 21:53:02,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:02,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:02,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:53:02,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:53:02,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 21:53:02,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:02,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1640 [2020-10-14 21:53:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:02,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:02,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:02,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 21:53:02,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:02,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:53:02,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:02,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:02,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:02,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 21:53:02,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:02,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:04,283 INFO L134 CoverageAnalysis]: Checked inductivity of 10501 backedges. 2180 proven. 115 refuted. 0 times theorem prover too weak. 8206 trivial. 0 not checked. [2020-10-14 21:53:04,284 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [460877284] [2020-10-14 21:53:04,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:53:04,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:53:04,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188042169] [2020-10-14 21:53:04,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:53:04,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:53:04,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:53:04,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:53:04,286 INFO L87 Difference]: Start difference. First operand 4632 states and 4816 transitions. Second operand 8 states. [2020-10-14 21:53:06,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:53:06,396 INFO L93 Difference]: Finished difference Result 8896 states and 9262 transitions. [2020-10-14 21:53:06,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 21:53:06,397 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1814 [2020-10-14 21:53:06,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:53:06,406 INFO L225 Difference]: With dead ends: 8896 [2020-10-14 21:53:06,406 INFO L226 Difference]: Without dead ends: 4636 [2020-10-14 21:53:06,412 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-14 21:53:06,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4636 states. [2020-10-14 21:53:06,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4636 to 4448. [2020-10-14 21:53:06,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4448 states. [2020-10-14 21:53:06,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4448 states to 4448 states and 4597 transitions. [2020-10-14 21:53:06,471 INFO L78 Accepts]: Start accepts. Automaton has 4448 states and 4597 transitions. Word has length 1814 [2020-10-14 21:53:06,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:53:06,472 INFO L479 AbstractCegarLoop]: Abstraction has 4448 states and 4597 transitions. [2020-10-14 21:53:06,472 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:53:06,472 INFO L276 IsEmpty]: Start isEmpty. Operand 4448 states and 4597 transitions. [2020-10-14 21:53:06,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1824 [2020-10-14 21:53:06,512 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:53:06,514 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 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, 1] [2020-10-14 21:53:06,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 21:53:06,514 INFO L427 AbstractCegarLoop]: === Iteration 25 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:53:06,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:53:06,515 INFO L82 PathProgramCache]: Analyzing trace with hash -711049134, now seen corresponding path program 1 times [2020-10-14 21:53:06,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:53:06,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1812898237] [2020-10-14 21:53:06,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:53:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:07,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:08,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:10,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:10,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1859 [2020-10-14 21:53:10,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:53:10,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3295 [2020-10-14 21:53:10,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:10,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:10,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:53:10,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1561 [2020-10-14 21:53:10,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-14 21:53:10,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:10,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:53:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:10,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:10,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:10,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:53:10,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:10,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:53:10,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:10,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:10,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:10,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:10,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:10,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:10,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:53:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:10,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:10,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:10,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:53:10,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:10,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 21:53:10,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:10,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:10,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:10,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:10,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:10,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:10,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:53:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:10,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:10,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:10,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:53:10,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:10,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:53:10,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:10,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:10,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:10,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:10,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:10,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:10,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:53:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:10,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:10,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:10,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:53:10,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:10,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:53:10,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:10,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:10,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:10,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:10,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:10,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:10,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:53:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:10,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:10,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:10,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:53:10,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:10,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:53:10,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:10,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:10,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:10,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:10,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:10,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:10,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:53:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:10,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:10,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:10,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:53:10,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:10,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:53:10,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:10,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:10,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:10,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:10,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:10,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:10,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:53:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:10,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:10,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:10,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:53:10,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:10,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:53:10,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:10,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:10,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:10,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:10,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:10,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:10,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:53:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:10,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:10,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:10,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:53:10,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:10,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:53:10,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:10,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:10,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:10,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:10,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:10,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:10,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:53:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:10,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:10,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:10,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:53:10,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:10,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:53:10,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:10,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:10,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:10,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:10,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:10,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:10,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:53:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:10,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:10,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:10,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:53:10,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:10,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:53:10,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:10,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:10,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:10,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:10,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:10,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:10,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:53:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:10,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:10,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:10,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:53:10,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:10,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:53:10,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:10,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:10,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:10,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:10,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:10,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:10,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:53:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:10,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:10,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:10,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:53:10,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:10,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:53:10,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:10,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:10,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:10,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:10,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:10,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:10,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 21:53:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:10,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:10,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:10,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 21:53:10,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:10,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 21:53:10,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:10,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:10,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:53:10,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:10,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 21:53:10,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:10,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2020-10-14 21:53:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:10,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:10,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:10,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 21:53:10,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:10,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 21:53:10,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:10,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:10,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:53:10,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:53:10,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 21:53:10,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:10,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1649 [2020-10-14 21:53:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:11,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:11,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:11,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 21:53:11,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:11,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:53:11,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:11,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:11,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:11,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 21:53:11,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:11,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:12,433 INFO L134 CoverageAnalysis]: Checked inductivity of 10538 backedges. 2123 proven. 111 refuted. 0 times theorem prover too weak. 8304 trivial. 0 not checked. [2020-10-14 21:53:12,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1812898237] [2020-10-14 21:53:12,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:53:12,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:53:12,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643371984] [2020-10-14 21:53:12,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:53:12,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:53:12,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:53:12,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:53:12,436 INFO L87 Difference]: Start difference. First operand 4448 states and 4597 transitions. Second operand 7 states. [2020-10-14 21:53:13,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:53:13,807 INFO L93 Difference]: Finished difference Result 8708 states and 9010 transitions. [2020-10-14 21:53:13,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 21:53:13,808 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1823 [2020-10-14 21:53:13,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:53:13,817 INFO L225 Difference]: With dead ends: 8708 [2020-10-14 21:53:13,817 INFO L226 Difference]: Without dead ends: 4448 [2020-10-14 21:53:13,823 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:53:13,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4448 states. [2020-10-14 21:53:13,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4448 to 4444. [2020-10-14 21:53:13,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4444 states. [2020-10-14 21:53:13,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4444 states to 4444 states and 4587 transitions. [2020-10-14 21:53:13,881 INFO L78 Accepts]: Start accepts. Automaton has 4444 states and 4587 transitions. Word has length 1823 [2020-10-14 21:53:13,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:53:13,883 INFO L479 AbstractCegarLoop]: Abstraction has 4444 states and 4587 transitions. [2020-10-14 21:53:13,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:53:13,883 INFO L276 IsEmpty]: Start isEmpty. Operand 4444 states and 4587 transitions. [2020-10-14 21:53:13,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1916 [2020-10-14 21:53:13,924 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:53:13,925 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 9, 9, 9, 9, 8, 7, 6, 6, 6, 6, 6, 6, 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, 1, 1] [2020-10-14 21:53:13,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-14 21:53:13,926 INFO L427 AbstractCegarLoop]: === Iteration 26 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:53:13,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:53:13,926 INFO L82 PathProgramCache]: Analyzing trace with hash -2088346946, now seen corresponding path program 1 times [2020-10-14 21:53:13,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:53:13,927 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1344892475] [2020-10-14 21:53:13,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:53:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:14,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:15,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:16,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:19,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:19,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1953 [2020-10-14 21:53:19,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:53:19,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5102 [2020-10-14 21:53:19,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:19,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:19,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 21:53:19,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1688 [2020-10-14 21:53:19,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 226 [2020-10-14 21:53:19,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:19,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:53:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:19,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:19,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:19,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:53:19,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:19,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:53:19,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:19,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:19,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:19,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:19,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:19,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:19,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:53:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:19,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:19,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:19,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:53:19,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:19,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:53:19,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:19,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:19,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:19,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:19,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:19,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:19,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:53:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:19,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:19,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:19,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:53:19,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:19,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:53:19,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:19,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:19,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:19,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:19,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:19,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:19,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:53:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:19,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:19,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:19,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:53:19,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:19,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:53:19,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:19,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:19,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:19,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:19,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:19,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:19,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:53:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:19,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:19,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:19,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:53:19,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:19,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:53:19,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:19,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:19,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:19,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:19,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:19,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:19,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:53:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:19,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:19,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:19,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:53:19,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:19,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:53:19,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:19,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:19,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:19,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:19,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:19,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:19,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:53:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:19,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:19,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:19,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:53:19,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:19,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:53:19,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:19,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:19,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:19,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:19,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:19,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:19,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:53:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:19,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:19,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:19,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:53:19,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:19,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:53:19,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:19,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:19,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:19,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:19,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:19,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:19,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:53:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:19,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:19,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:19,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:53:19,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:19,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:53:19,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:19,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:19,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:19,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:19,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:19,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:19,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:53:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:19,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:19,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:19,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:53:19,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:19,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 21:53:19,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:19,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:19,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:19,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:53:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:20,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:20,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:20,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:53:20,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:20,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 21:53:20,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:20,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:20,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:20,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:20,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:20,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:20,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:53:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:20,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:20,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:20,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:53:20,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:20,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:53:20,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:20,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:20,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:20,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:20,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:20,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:20,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 21:53:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:20,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:20,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:20,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 21:53:20,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:20,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:53:20,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:20,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:20,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:20,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:20,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:20,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:20,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2020-10-14 21:53:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:20,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:20,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:20,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 21:53:20,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:20,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-14 21:53:20,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:20,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:20,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:53:20,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:20,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 21:53:20,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:20,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1662 [2020-10-14 21:53:20,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:20,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:20,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:20,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 21:53:20,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:20,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 21:53:20,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:20,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:20,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:53:20,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:53:20,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 21:53:20,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:20,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1741 [2020-10-14 21:53:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:20,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:20,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:20,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 21:53:20,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:20,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-14 21:53:20,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:20,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:20,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:53:20,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:53:20,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 21:53:20,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:22,310 INFO L134 CoverageAnalysis]: Checked inductivity of 11781 backedges. 3265 proven. 121 refuted. 0 times theorem prover too weak. 8395 trivial. 0 not checked. [2020-10-14 21:53:22,311 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1344892475] [2020-10-14 21:53:22,311 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:53:22,311 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 21:53:22,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117409700] [2020-10-14 21:53:22,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 21:53:22,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:53:22,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 21:53:22,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:53:22,314 INFO L87 Difference]: Start difference. First operand 4444 states and 4587 transitions. Second operand 9 states. [2020-10-14 21:53:24,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:53:24,038 INFO L93 Difference]: Finished difference Result 5759 states and 5994 transitions. [2020-10-14 21:53:24,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 21:53:24,039 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1915 [2020-10-14 21:53:24,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:53:24,049 INFO L225 Difference]: With dead ends: 5759 [2020-10-14 21:53:24,049 INFO L226 Difference]: Without dead ends: 5554 [2020-10-14 21:53:24,050 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2020-10-14 21:53:24,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5554 states. [2020-10-14 21:53:24,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5554 to 5182. [2020-10-14 21:53:24,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5182 states. [2020-10-14 21:53:24,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5182 states to 5182 states and 5400 transitions. [2020-10-14 21:53:24,119 INFO L78 Accepts]: Start accepts. Automaton has 5182 states and 5400 transitions. Word has length 1915 [2020-10-14 21:53:24,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:53:24,120 INFO L479 AbstractCegarLoop]: Abstraction has 5182 states and 5400 transitions. [2020-10-14 21:53:24,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 21:53:24,121 INFO L276 IsEmpty]: Start isEmpty. Operand 5182 states and 5400 transitions. [2020-10-14 21:53:24,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2132 [2020-10-14 21:53:24,154 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:53:24,155 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 15, 15, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 11, 11, 11, 10, 10, 10, 10, 9, 8, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1] [2020-10-14 21:53:24,155 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-14 21:53:24,155 INFO L427 AbstractCegarLoop]: === Iteration 27 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:53:24,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:53:24,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1899202098, now seen corresponding path program 1 times [2020-10-14 21:53:24,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:53:24,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2069798941] [2020-10-14 21:53:24,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:53:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:24,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:25,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:26,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:29,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:29,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:29,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 2173 [2020-10-14 21:53:29,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:53:29,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5154 [2020-10-14 21:53:29,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:29,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:29,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:53:29,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1989 [2020-10-14 21:53:29,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 21:53:29,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:29,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:53:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:29,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:29,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:29,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:53:29,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:29,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:53:29,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:29,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:29,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:29,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:29,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:29,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:29,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:53:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:29,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:29,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:29,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:53:29,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:29,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:53:29,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:29,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:29,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:29,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:29,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:29,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:29,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:53:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:29,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:29,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:29,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:53:29,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:29,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:53:29,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:29,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:29,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:29,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:29,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:29,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:29,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:53:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:29,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:29,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:29,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:53:29,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:29,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:53:29,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:29,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:29,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:29,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:29,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:29,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:29,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:53:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:29,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:29,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:29,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:53:29,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:29,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:53:29,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:29,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:29,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:29,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:29,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:29,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:29,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:53:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:29,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:29,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:29,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:53:29,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:29,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:53:29,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:29,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:29,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:29,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:29,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:29,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:30,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:53:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:30,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:30,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:30,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:53:30,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:30,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:53:30,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:30,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:30,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:30,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:30,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:30,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:30,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:53:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:30,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:30,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:30,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:53:30,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:30,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:53:30,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:30,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:30,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:30,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:30,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:30,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:30,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:53:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:30,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:30,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:30,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:53:30,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:30,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:53:30,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:30,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:30,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:30,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:30,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:30,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:30,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:53:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:30,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:30,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:30,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:53:30,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:30,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:53:30,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:30,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:30,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:30,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:30,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:30,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:30,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:53:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:30,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:30,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:30,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:53:30,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:30,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:53:30,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:30,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:30,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:30,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:30,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:30,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:30,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:53:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:30,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:30,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:30,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:53:30,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:30,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:53:30,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:30,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:30,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:30,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:30,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:30,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:30,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 21:53:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:30,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:30,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:30,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 21:53:30,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:30,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:53:30,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:30,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:30,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:30,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:30,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:30,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:30,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2020-10-14 21:53:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:30,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:30,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:30,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 21:53:30,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:30,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 21:53:30,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:30,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:30,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:30,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:30,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:30,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:53:30,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1662 [2020-10-14 21:53:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:30,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:30,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:30,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:53:30,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:30,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:53:30,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:30,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:30,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:30,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:30,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:30,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:30,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1748 [2020-10-14 21:53:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:30,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:30,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:30,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 21:53:30,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:30,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:53:30,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:30,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:30,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:30,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:30,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:30,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:30,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1878 [2020-10-14 21:53:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:30,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:30,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:30,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 21:53:30,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:30,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:53:30,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:30,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:30,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:53:30,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:30,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 21:53:30,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:30,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1957 [2020-10-14 21:53:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:30,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:30,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:30,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 21:53:30,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:30,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-14 21:53:30,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:30,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:30,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:53:30,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:53:30,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 21:53:30,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:32,627 INFO L134 CoverageAnalysis]: Checked inductivity of 14941 backedges. 2701 proven. 2 refuted. 0 times theorem prover too weak. 12238 trivial. 0 not checked. [2020-10-14 21:53:32,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2069798941] [2020-10-14 21:53:32,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:53:32,629 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:53:32,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133435281] [2020-10-14 21:53:32,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:53:32,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:53:32,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:53:32,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:53:32,631 INFO L87 Difference]: Start difference. First operand 5182 states and 5400 transitions. Second operand 8 states. [2020-10-14 21:53:34,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:53:34,938 INFO L93 Difference]: Finished difference Result 10364 states and 10855 transitions. [2020-10-14 21:53:34,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:53:34,938 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 2131 [2020-10-14 21:53:34,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:53:34,940 INFO L225 Difference]: With dead ends: 10364 [2020-10-14 21:53:34,940 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 21:53:34,948 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:53:34,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 21:53:34,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 21:53:34,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 21:53:34,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 21:53:34,949 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2131 [2020-10-14 21:53:34,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:53:34,950 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 21:53:34,950 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:53:34,950 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 21:53:34,950 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 21:53:34,950 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-14 21:53:34,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 21:53:36,427 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 286 [2020-10-14 21:53:36,965 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 286 [2020-10-14 21:53:39,480 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 379 DAG size of output: 140 [2020-10-14 21:53:41,538 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 298 DAG size of output: 110 [2020-10-14 21:53:43,534 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 298 DAG size of output: 110 [2020-10-14 21:53:43,540 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:53:43,542 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 21:53:43,542 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:53:43,542 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-14 21:53:43,543 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-14 21:53:43,543 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,543 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,543 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,543 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-14 21:53:43,543 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 21:53:43,543 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 21:53:43,543 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 21:53:43,543 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-14 21:53:43,543 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-14 21:53:43,544 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-14 21:53:43,544 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-14 21:53:43,544 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,544 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,544 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,544 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-14 21:53:43,544 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-14 21:53:43,544 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 21:53:43,544 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 21:53:43,544 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 21:53:43,545 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-14 21:53:43,545 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-14 21:53:43,545 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-14 21:53:43,545 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,546 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,546 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,546 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-14 21:53:43,546 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 21:53:43,546 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 21:53:43,546 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 21:53:43,546 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-14 21:53:43,547 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-14 21:53:43,547 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-14 21:53:43,547 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-14 21:53:43,547 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-14 21:53:43,549 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,549 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,549 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,549 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-14 21:53:43,549 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 21:53:43,549 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 21:53:43,549 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 21:53:43,549 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-14 21:53:43,549 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-14 21:53:43,550 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-14 21:53:43,550 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,550 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,550 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,550 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-14 21:53:43,550 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 21:53:43,550 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 21:53:43,550 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 21:53:43,550 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-14 21:53:43,550 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-14 21:53:43,551 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-14 21:53:43,551 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-14 21:53:43,551 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-14 21:53:43,551 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,551 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,551 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,551 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,551 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-14 21:53:43,551 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 21:53:43,552 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 21:53:43,553 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 21:53:43,553 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-14 21:53:43,553 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-14 21:53:43,553 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-14 21:53:43,553 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-14 21:53:43,553 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,553 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,554 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,554 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 21:53:43,554 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 21:53:43,554 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 21:53:43,554 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-14 21:53:43,554 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-14 21:53:43,554 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-14 21:53:43,554 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-14 21:53:43,554 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-14 21:53:43,554 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,554 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,555 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,555 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-14 21:53:43,555 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-14 21:53:43,555 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 21:53:43,555 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 21:53:43,555 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 21:53:43,555 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-14 21:53:43,556 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse6 (= ~a21~0 |old(~a21~0)|)) (.cse25 (= ~a15~0 |old(~a15~0)|)) (.cse24 (+ |old(~a12~0)| 49)) (.cse5 (= ~a24~0 |old(~a24~0)|)) (.cse7 (= ~a15~0 8)) (.cse8 (= ~a12~0 |old(~a12~0)|)) (.cse26 (= 7 ~a21~0))) (let ((.cse9 (not (<= |old(~a12~0)| 76))) (.cse0 (not (<= 1 |old(~a24~0)|))) (.cse23 (and .cse5 .cse7 .cse8 .cse26)) (.cse16 (not (= 10 |old(~a21~0)|))) (.cse3 (not (= 8 |old(~a15~0)|))) (.cse1 (not (<= |old(~a24~0)| 1))) (.cse18 (= ~a21~0 6)) (.cse15 (not (= 6 |old(~a21~0)|))) (.cse12 (not (<= .cse24 0))) (.cse22 (not (< 80 |old(~a12~0)|))) (.cse11 (not (<= |old(~a21~0)| 8))) (.cse17 (not (= |old(~a24~0)| 1))) (.cse19 (= ~a24~0 1)) (.cse13 (not (= 5 |old(~a15~0)|))) (.cse20 (not (= 7 |old(~a21~0)|))) (.cse21 (and .cse5 .cse8 .cse26 .cse25)) (.cse14 (not (<= |old(~a15~0)| 7))) (.cse2 (not (<= |old(~a21~0)| 9))) (.cse10 (and .cse5 .cse6 .cse8 .cse25)) (.cse4 (not (<= 9 |old(~a21~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse5 .cse6 .cse7 .cse8) .cse9) (or .cse10 (and (or .cse11 .cse12 .cse13) (or .cse14 .cse15) (or .cse14 .cse16))) (or (not (<= |old(~a12~0)| 586307)) .cse17 .cse3 (and .cse7 .cse18 .cse19 .cse8) .cse15) (or .cse14 .cse20 .cse1 .cse21 .cse9) (or .cse16 .cse22 .cse10) (or .cse1 (and (= 5 ~a15~0) .cse5 .cse6 .cse8) .cse12 .cse13) (or .cse20 .cse21 (not (<= 81 |old(~a12~0)|)) (not (<= 8 |old(~a15~0)|))) (or .cse16 .cse0 .cse1 (not (<= |old(~a12~0)| 72)) .cse10 (not (= 9 |old(~a15~0)|))) (or .cse20 .cse1 .cse0 .cse23 .cse3 (not (<= 0 (+ |old(~a12~0)| 2))) (not (<= |old(~a12~0)| 2))) (or .cse20 (not (= .cse24 0)) .cse1 .cse0 .cse23 .cse3) (or .cse16 .cse10 .cse3) (or .cse17 (not (<= |old(~a12~0)| 95442)) (not (<= 95374 |old(~a12~0)|)) (and .cse18 .cse19 .cse8 .cse25) .cse15) (or .cse1 (and .cse5 .cse18 .cse8 .cse25) (not (<= |old(~a15~0)| 8)) .cse15 .cse12) (or .cse22 .cse2 .cse10 .cse4) (or (not (<= 8 |old(~a21~0)|)) .cse10 .cse11) (or (not (= 6 |old(~a15~0)|)) .cse10 (not (<= |old(~a12~0)| 73282)) .cse11) (or .cse17 (and .cse6 .cse19 .cse8 .cse25) .cse13) (or .cse14 .cse20 .cse21 (not (<= (+ |old(~a12~0)| 460226) 0))) (or .cse14 .cse2 .cse10 .cse4)))) [2020-10-14 21:53:43,556 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-14 21:53:43,556 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-14 21:53:43,556 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,556 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,556 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,556 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 21:53:43,556 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 21:53:43,557 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 21:53:43,557 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-14 21:53:43,557 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-14 21:53:43,558 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-14 21:53:43,558 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-14 21:53:43,558 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-14 21:53:43,558 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,558 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,558 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,558 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-14 21:53:43,558 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-14 21:53:43,558 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 21:53:43,558 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 21:53:43,559 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 21:53:43,559 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-14 21:53:43,559 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-14 21:53:43,559 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-14 21:53:43,559 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,559 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,559 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,559 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-14 21:53:43,559 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 21:53:43,559 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 21:53:43,559 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 21:53:43,560 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-14 21:53:43,560 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-14 21:53:43,560 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-14 21:53:43,560 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-14 21:53:43,560 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,560 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,560 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,560 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-14 21:53:43,560 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 21:53:43,560 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 21:53:43,561 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 21:53:43,561 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-14 21:53:43,561 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-14 21:53:43,561 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-14 21:53:43,561 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-14 21:53:43,561 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,561 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,561 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-14 21:53:43,561 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 21:53:43,561 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 21:53:43,561 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-14 21:53:43,562 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-14 21:53:43,562 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-14 21:53:43,562 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-14 21:53:43,562 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-14 21:53:43,562 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2020-10-14 21:53:43,562 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,562 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,562 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-14 21:53:43,562 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 21:53:43,563 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 21:53:43,563 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-14 21:53:43,563 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-14 21:53:43,563 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-14 21:53:43,563 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,563 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,563 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-14 21:53:43,563 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-14 21:53:43,563 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 21:53:43,563 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 21:53:43,563 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-14 21:53:43,564 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-14 21:53:43,564 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-14 21:53:43,564 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-14 21:53:43,564 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,564 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,564 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-14 21:53:43,564 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-14 21:53:43,564 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 21:53:43,564 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 21:53:43,564 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-14 21:53:43,564 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-14 21:53:43,565 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-14 21:53:43,565 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,565 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,565 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,565 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-14 21:53:43,565 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-14 21:53:43,565 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 21:53:43,565 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 21:53:43,565 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-14 21:53:43,565 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-14 21:53:43,566 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,566 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,566 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 21:53:43,566 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,566 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-14 21:53:43,566 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-14 21:53:43,566 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-14 21:53:43,566 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 21:53:43,566 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 21:53:43,567 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 21:53:43,567 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-14 21:53:43,567 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-14 21:53:43,567 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-14 21:53:43,567 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-14 21:53:43,567 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,567 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,567 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,567 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-14 21:53:43,567 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 21:53:43,567 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 21:53:43,567 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 21:53:43,567 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-14 21:53:43,567 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-14 21:53:43,567 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-14 21:53:43,567 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-14 21:53:43,568 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,568 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,568 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,568 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-14 21:53:43,568 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-14 21:53:43,568 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 21:53:43,568 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 21:53:43,568 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 21:53:43,568 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-14 21:53:43,568 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-14 21:53:43,568 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-14 21:53:43,568 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,568 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,568 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,568 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-14 21:53:43,568 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 21:53:43,568 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 21:53:43,569 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 21:53:43,569 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-14 21:53:43,569 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-14 21:53:43,569 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-14 21:53:43,569 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-14 21:53:43,569 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-14 21:53:43,569 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,569 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,569 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:53:43,569 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-14 21:53:43,569 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 21:53:43,569 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 21:53:43,569 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 21:53:43,569 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-14 21:53:43,569 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:53:43,570 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a24~0 1) (= ~a15~0 8) (<= 1 ~a24~0) (= 7 ~a21~0) (= (+ ~a12~0 49) 0)) [2020-10-14 21:53:43,570 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 21:53:43,570 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:53:43,570 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (= (+ |old(~a12~0)| 49) 0)) (not (<= |old(~a24~0)| 1)) (not (<= 1 |old(~a24~0)|)) (and (= ~a24~0 |old(~a24~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0)) (not (= 8 |old(~a15~0)|))) [2020-10-14 21:53:43,570 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-14 21:53:43,571 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse4 (= 8 |old(~a15~0)|)) (.cse19 (+ ~a12~0 49))) (let ((.cse11 (<= ~a21~0 8)) (.cse5 (< 80 ~a12~0)) (.cse6 (= ~a21~0 10)) (.cse8 (or (<= (+ |old(~a12~0)| 43) 0) (<= 81 |old(~a12~0)|))) (.cse0 (<= .cse19 0)) (.cse3 (<= ~a15~0 8)) (.cse13 (<= ~a15~0 7)) (.cse16 (= 5 ~a15~0)) (.cse2 (= ~a21~0 6)) (.cse18 (= ~a24~0 1)) (.cse14 (<= 9 ~a21~0)) (.cse15 (<= ~a21~0 9)) (.cse17 (<= ~a12~0 76)) (.cse1 (<= ~a24~0 1)) (.cse7 (or .cse4 (= 9 |old(~a15~0)|))) (.cse10 (= ~a15~0 8)) (.cse12 (<= 1 ~a24~0)) (.cse9 (= 7 ~a21~0))) (or (not (<= |old(~a24~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not .cse4) (and .cse5 .cse6 .cse7 .cse8) (and (<= 8 ~a15~0) (<= 81 ~a12~0) .cse9) (and .cse6 .cse7 .cse10) (and (= ~a15~0 6) (<= ~a12~0 73282) .cse11) (and .cse1 .cse6 .cse12 (<= ~a12~0 72) (= ~a15~0 9)) (and (<= 8 ~a21~0) .cse11) (and .cse13 .cse14 .cse7 .cse15 .cse8) (and .cse16 .cse0 .cse11) (and .cse13 .cse1 .cse9 .cse17) (and .cse13 .cse2) (and .cse14 .cse5 .cse7 .cse15 .cse8) (and .cse10 (<= ~a12~0 586307) .cse2 .cse18) (and .cse13 .cse6 .cse7 .cse8) (and .cse16 .cse0 .cse1) (and (= ~a24~0 |old(~a24~0)|) .cse3 .cse9 (= .cse19 0)) (and .cse13 (<= (+ ~a12~0 460226) 0) .cse9) (and .cse16 .cse18) (not (= (+ |old(~a12~0)| 49) 0)) (not (= 7 |old(~a21~0)|)) (not (<= 1 |old(~a24~0)|)) (and .cse2 .cse18 (<= ~a12~0 95442) (<= 95374 ~a12~0)) (and .cse14 .cse1 .cse7 .cse10 .cse12 .cse15 .cse17) (and .cse1 .cse7 .cse10 (<= ~a12~0 2) .cse12 .cse9 (<= 0 (+ ~a12~0 2)))))) [2020-10-14 21:53:43,571 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-14 21:53:43,571 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-14 21:53:43,571 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse4 (= 8 |old(~a15~0)|)) (.cse19 (+ ~a12~0 49))) (let ((.cse11 (<= ~a21~0 8)) (.cse5 (< 80 ~a12~0)) (.cse6 (= ~a21~0 10)) (.cse8 (or (<= (+ |old(~a12~0)| 43) 0) (<= 81 |old(~a12~0)|))) (.cse0 (<= .cse19 0)) (.cse3 (<= ~a15~0 8)) (.cse13 (<= ~a15~0 7)) (.cse16 (= 5 ~a15~0)) (.cse2 (= ~a21~0 6)) (.cse18 (= ~a24~0 1)) (.cse14 (<= 9 ~a21~0)) (.cse15 (<= ~a21~0 9)) (.cse17 (<= ~a12~0 76)) (.cse1 (<= ~a24~0 1)) (.cse7 (or .cse4 (= 9 |old(~a15~0)|))) (.cse10 (= ~a15~0 8)) (.cse12 (<= 1 ~a24~0)) (.cse9 (= 7 ~a21~0))) (or (not (<= |old(~a24~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not .cse4) (and .cse5 .cse6 .cse7 .cse8) (and (<= 8 ~a15~0) (<= 81 ~a12~0) .cse9) (and .cse6 .cse7 .cse10) (and (= ~a15~0 6) (<= ~a12~0 73282) .cse11) (and .cse1 .cse6 .cse12 (<= ~a12~0 72) (= ~a15~0 9)) (and (<= 8 ~a21~0) .cse11) (and .cse13 .cse14 .cse7 .cse15 .cse8) (and .cse16 .cse0 .cse11) (and .cse13 .cse1 .cse9 .cse17) (and .cse13 .cse2) (and .cse14 .cse5 .cse7 .cse15 .cse8) (and .cse10 (<= ~a12~0 586307) .cse2 .cse18) (and .cse13 .cse6 .cse7 .cse8) (and .cse16 .cse0 .cse1) (and (= ~a24~0 |old(~a24~0)|) .cse3 .cse9 (= .cse19 0)) (and .cse13 (<= (+ ~a12~0 460226) 0) .cse9) (and .cse16 .cse18) (not (= (+ |old(~a12~0)| 49) 0)) (not (= 7 |old(~a21~0)|)) (not (<= 1 |old(~a24~0)|)) (and .cse2 .cse18 (<= ~a12~0 95442) (<= 95374 ~a12~0)) (and .cse14 .cse1 .cse7 .cse10 .cse12 .cse15 .cse17) (and .cse1 .cse7 .cse10 (<= ~a12~0 2) .cse12 .cse9 (<= 0 (+ ~a12~0 2)))))) [2020-10-14 21:53:43,571 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-14 21:53:43,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:53:43 BoogieIcfgContainer [2020-10-14 21:53:43,600 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 21:53:43,602 INFO L168 Benchmark]: Toolchain (without parser) took 216331.78 ms. Allocated memory was 146.8 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 101.2 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2020-10-14 21:53:43,603 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 120.9 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-14 21:53:43,603 INFO L168 Benchmark]: CACSL2BoogieTranslator took 843.79 ms. Allocated memory was 146.8 MB in the beginning and 205.5 MB in the end (delta: 58.7 MB). Free memory was 100.8 MB in the beginning and 166.1 MB in the end (delta: -65.3 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. [2020-10-14 21:53:43,604 INFO L168 Benchmark]: Boogie Preprocessor took 184.35 ms. Allocated memory is still 205.5 MB. Free memory was 166.1 MB in the beginning and 160.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2020-10-14 21:53:43,605 INFO L168 Benchmark]: RCFGBuilder took 1645.61 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 159.8 MB in the beginning and 153.6 MB in the end (delta: 6.2 MB). Peak memory consumption was 75.5 MB. Max. memory is 7.1 GB. [2020-10-14 21:53:43,605 INFO L168 Benchmark]: TraceAbstraction took 213653.06 ms. Allocated memory was 238.6 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 153.6 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2020-10-14 21:53:43,608 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 120.9 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 843.79 ms. Allocated memory was 146.8 MB in the beginning and 205.5 MB in the end (delta: 58.7 MB). Free memory was 100.8 MB in the beginning and 166.1 MB in the end (delta: -65.3 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 184.35 ms. Allocated memory is still 205.5 MB. Free memory was 166.1 MB in the beginning and 160.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1645.61 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 159.8 MB in the beginning and 153.6 MB in the end (delta: 6.2 MB). Peak memory consumption was 75.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 213653.06 ms. Allocated memory was 238.6 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 153.6 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((!(\old(a24) <= 1) || (((a12 + 49 <= 0 && a24 <= 1) && a21 == 6) && a15 <= 8)) || !(8 == \old(a15))) || (((80 < a12 && a21 == 10) && (8 == \old(a15) || 9 == \old(a15))) && (\old(a12) + 43 <= 0 || 81 <= \old(a12)))) || ((8 <= a15 && 81 <= a12) && 7 == a21)) || ((a21 == 10 && (8 == \old(a15) || 9 == \old(a15))) && a15 == 8)) || ((a15 == 6 && a12 <= 73282) && a21 <= 8)) || ((((a24 <= 1 && a21 == 10) && 1 <= a24) && a12 <= 72) && a15 == 9)) || (8 <= a21 && a21 <= 8)) || ((((a15 <= 7 && 9 <= a21) && (8 == \old(a15) || 9 == \old(a15))) && a21 <= 9) && (\old(a12) + 43 <= 0 || 81 <= \old(a12)))) || ((5 == a15 && a12 + 49 <= 0) && a21 <= 8)) || (((a15 <= 7 && a24 <= 1) && 7 == a21) && a12 <= 76)) || (a15 <= 7 && a21 == 6)) || ((((9 <= a21 && 80 < a12) && (8 == \old(a15) || 9 == \old(a15))) && a21 <= 9) && (\old(a12) + 43 <= 0 || 81 <= \old(a12)))) || (((a15 == 8 && a12 <= 586307) && a21 == 6) && a24 == 1)) || (((a15 <= 7 && a21 == 10) && (8 == \old(a15) || 9 == \old(a15))) && (\old(a12) + 43 <= 0 || 81 <= \old(a12)))) || ((5 == a15 && a12 + 49 <= 0) && a24 <= 1)) || (((a24 == \old(a24) && a15 <= 8) && 7 == a21) && a12 + 49 == 0)) || ((a15 <= 7 && a12 + 460226 <= 0) && 7 == a21)) || (5 == a15 && a24 == 1)) || !(\old(a12) + 49 == 0)) || !(7 == \old(a21))) || !(1 <= \old(a24))) || (((a21 == 6 && a24 == 1) && a12 <= 95442) && 95374 <= a12)) || ((((((9 <= a21 && a24 <= 1) && (8 == \old(a15) || 9 == \old(a15))) && a15 == 8) && 1 <= a24) && a21 <= 9) && a12 <= 76)) || ((((((a24 <= 1 && (8 == \old(a15) || 9 == \old(a15))) && a15 == 8) && a12 <= 2) && 1 <= a24) && 7 == a21) && 0 <= a12 + 2) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 204.9s, OverallIterations: 27, TraceHistogramMax: 18, AutomataDifference: 50.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 759 SDtfs, 16595 SDslu, 1132 SDs, 0 SdLazy, 33350 SolverSat, 3209 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 33.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 835 GetRequests, 549 SyntacticMatches, 9 SemanticMatches, 277 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7604occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 27 MinimizatonAttempts, 5440 StatesRemovedByMinimization, 26 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 532 PreInvPairs, 640 NumberOfFragments, 1355 HoareAnnotationTreeSize, 532 FomulaSimplifications, 123876 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 34461 FormulaSimplificationTreeSizeReductionInter, 6.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 132.0s InterpolantComputationTime, 25105 NumberOfCodeBlocks, 25105 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 25078 ConstructedInterpolants, 0 QuantifiedInterpolants, 55809788 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 2 PerfectInterpolantSequences, 101961/105199 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...