/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=NARROWEST --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_label09.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:47:21,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:47:21,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:47:21,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:47:21,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:47:21,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:47:21,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:47:21,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:47:21,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:47:21,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:47:21,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:47:21,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:47:21,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:47:21,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:47:21,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:47:21,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:47:21,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:47:21,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:47:21,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:47:21,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:47:21,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:47:21,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:47:21,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:47:21,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:47:21,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:47:21,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:47:21,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:47:21,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:47:21,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:47:21,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:47:21,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:47:21,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:47:21,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:47:21,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:47:21,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:47:21,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:47:21,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:47:21,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:47:21,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:47:21,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:47:21,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:47:21,976 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 [2020-10-13 08:47:22,025 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:47:22,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:47:22,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:47:22,031 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:47:22,031 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:47:22,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:47:22,032 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:47:22,032 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:47:22,032 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:47:22,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:47:22,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:47:22,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:47:22,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:47:22,034 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:47:22,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:47:22,034 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:47:22,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:47:22,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:47:22,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:47:22,035 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:47:22,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:47:22,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:47:22,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:47:22,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:47:22,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:47:22,037 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:47:22,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:47:22,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:47:22,037 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:47:22,037 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 08:47:22,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:47:22,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:47:22,359 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:47:22,361 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:47:22,363 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:47:22,363 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label09.c [2020-10-13 08:47:22,434 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/134b25adf/a541aae714e64f6fa7b9ae14b6243956/FLAGa95e8450f [2020-10-13 08:47:23,018 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:47:23,019 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label09.c [2020-10-13 08:47:23,036 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/134b25adf/a541aae714e64f6fa7b9ae14b6243956/FLAGa95e8450f [2020-10-13 08:47:23,294 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/134b25adf/a541aae714e64f6fa7b9ae14b6243956 [2020-10-13 08:47:23,305 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:47:23,307 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:47:23,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:47:23,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:47:23,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:47:23,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:47:23" (1/1) ... [2020-10-13 08:47:23,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7845d484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:47:23, skipping insertion in model container [2020-10-13 08:47:23,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:47:23" (1/1) ... [2020-10-13 08:47:23,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:47:23,378 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:47:24,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:47:24,051 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:47:24,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:47:24,239 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:47:24,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:47:24 WrapperNode [2020-10-13 08:47:24,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:47:24,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:47:24,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:47:24,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:47:24,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:47:24" (1/1) ... [2020-10-13 08:47:24,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:47:24" (1/1) ... [2020-10-13 08:47:24,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:47:24" (1/1) ... [2020-10-13 08:47:24,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:47:24" (1/1) ... [2020-10-13 08:47:24,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:47:24" (1/1) ... [2020-10-13 08:47:24,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:47:24" (1/1) ... [2020-10-13 08:47:24,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:47:24" (1/1) ... [2020-10-13 08:47:24,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:47:24,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:47:24,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:47:24,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:47:24,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:47:24" (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 [2020-10-13 08:47:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:47:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:47:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:47:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:47:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:47:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:47:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:47:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:47:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:47:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:47:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:47:25,977 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:47:25,978 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:47:25,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:47:25 BoogieIcfgContainer [2020-10-13 08:47:25,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:47:25,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:47:25,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:47:25,989 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:47:25,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:47:23" (1/3) ... [2020-10-13 08:47:25,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b1286c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:47:25, skipping insertion in model container [2020-10-13 08:47:25,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:47:24" (2/3) ... [2020-10-13 08:47:25,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b1286c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:47:25, skipping insertion in model container [2020-10-13 08:47:25,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:47:25" (3/3) ... [2020-10-13 08:47:25,993 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label09.c [2020-10-13 08:47:26,004 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:47:26,013 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:47:26,028 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:47:26,055 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:47:26,056 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:47:26,056 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:47:26,056 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:47:26,056 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:47:26,056 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:47:26,056 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:47:26,057 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:47:26,082 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-13 08:47:26,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-13 08:47:26,091 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:26,092 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] [2020-10-13 08:47:26,093 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:26,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:26,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1524899170, now seen corresponding path program 1 times [2020-10-13 08:47:26,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:26,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [611879219] [2020-10-13 08:47:26,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:26,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:26,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:26,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:26,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 08:47:26,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:26,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 454 [2020-10-13 08:47:26,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:26,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:47:26,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:47:26,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 08:47:26,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 08:47:26,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:26,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:26,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:26,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:26,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:26,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 08:47:26,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:26,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:26,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:26,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:47:26,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:27,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:47:27,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [611879219] [2020-10-13 08:47:27,022 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:47:27,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 08:47:27,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995523485] [2020-10-13 08:47:27,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:27,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:27,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:27,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:27,048 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-10-13 08:47:29,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:29,492 INFO L93 Difference]: Finished difference Result 886 states and 1613 transitions. [2020-10-13 08:47:29,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 08:47:29,494 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-10-13 08:47:29,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:29,530 INFO L225 Difference]: With dead ends: 886 [2020-10-13 08:47:29,530 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:47:29,541 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:47:29,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:47:29,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2020-10-13 08:47:29,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-10-13 08:47:29,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 906 transitions. [2020-10-13 08:47:29,656 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 906 transitions. Word has length 51 [2020-10-13 08:47:29,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:29,657 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 906 transitions. [2020-10-13 08:47:29,657 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:29,657 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 906 transitions. [2020-10-13 08:47:29,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-13 08:47:29,663 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:29,664 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:47:29,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:47:29,664 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:29,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:29,665 INFO L82 PathProgramCache]: Analyzing trace with hash -52135783, now seen corresponding path program 1 times [2020-10-13 08:47:29,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:29,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1134121243] [2020-10-13 08:47:29,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:29,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:29,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:30,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:30,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:30,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-13 08:47:30,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:47:30,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1114 [2020-10-13 08:47:30,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:30,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:30,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-13 08:47:30,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-13 08:47:30,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:47:30,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:30,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:30,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:30,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:30,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:30,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:47:30,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:30,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:30,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:30,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:30,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 08:47:30,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:30,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:30,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:31,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:31,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 08:47:31,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:31,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-13 08:47:31,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:31,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:31,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:31,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 08:47:31,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:31,092 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 43 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:47:31,092 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1134121243] [2020-10-13 08:47:31,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:31,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:31,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453981291] [2020-10-13 08:47:31,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:31,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:31,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:31,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:31,096 INFO L87 Difference]: Start difference. First operand 558 states and 906 transitions. Second operand 5 states. [2020-10-13 08:47:32,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:32,283 INFO L93 Difference]: Finished difference Result 1149 states and 1858 transitions. [2020-10-13 08:47:32,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:32,285 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2020-10-13 08:47:32,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:32,289 INFO L225 Difference]: With dead ends: 1149 [2020-10-13 08:47:32,290 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:47:32,292 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:47:32,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:47:32,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2020-10-13 08:47:32,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-10-13 08:47:32,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 825 transitions. [2020-10-13 08:47:32,355 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 825 transitions. Word has length 120 [2020-10-13 08:47:32,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:32,356 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 825 transitions. [2020-10-13 08:47:32,356 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:32,356 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 825 transitions. [2020-10-13 08:47:32,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-13 08:47:32,363 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:32,363 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:47:32,364 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:47:32,364 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:32,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:32,365 INFO L82 PathProgramCache]: Analyzing trace with hash -225736898, now seen corresponding path program 1 times [2020-10-13 08:47:32,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:32,366 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [494800276] [2020-10-13 08:47:32,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:32,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:32,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:32,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:33,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:33,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:33,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-13 08:47:33,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:47:33,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1110 [2020-10-13 08:47:33,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:33,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:33,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-13 08:47:33,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-13 08:47:33,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:33,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:33,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:33,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:33,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:33,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:33,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:47:33,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:33,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:33,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:33,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:33,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:33,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:33,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:33,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:33,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:47:33,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:33,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-13 08:47:33,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:33,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:33,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:33,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-13 08:47:33,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:33,766 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 43 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:47:33,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [494800276] [2020-10-13 08:47:33,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:33,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:33,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112488511] [2020-10-13 08:47:33,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:33,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:33,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:33,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:33,771 INFO L87 Difference]: Start difference. First operand 558 states and 825 transitions. Second operand 5 states. [2020-10-13 08:47:34,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:34,822 INFO L93 Difference]: Finished difference Result 1149 states and 1696 transitions. [2020-10-13 08:47:34,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:34,823 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2020-10-13 08:47:34,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:34,828 INFO L225 Difference]: With dead ends: 1149 [2020-10-13 08:47:34,828 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:47:34,831 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:47:34,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:47:34,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2020-10-13 08:47:34,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-10-13 08:47:34,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 735 transitions. [2020-10-13 08:47:34,858 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 735 transitions. Word has length 121 [2020-10-13 08:47:34,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:34,859 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 735 transitions. [2020-10-13 08:47:34,859 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:34,859 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 735 transitions. [2020-10-13 08:47:34,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-13 08:47:34,861 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:34,862 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:47:34,862 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:47:34,862 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:34,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:34,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1265785313, now seen corresponding path program 1 times [2020-10-13 08:47:34,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:34,863 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1247185313] [2020-10-13 08:47:34,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:34,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:35,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:35,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-13 08:47:35,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:35,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 275 [2020-10-13 08:47:35,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:35,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:47:35,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:47:35,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-13 08:47:35,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:35,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:35,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:35,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:35,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:35,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:35,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 08:47:35,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:35,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:35,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:35,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:47:35,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:35,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:35,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:35,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:35,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:47:35,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:35,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-13 08:47:35,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:35,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:35,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:47:35,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 08:47:35,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:35,659 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:47:35,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1247185313] [2020-10-13 08:47:35,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:47:35,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 08:47:35,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777903875] [2020-10-13 08:47:35,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:47:35,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:35,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:47:35,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:47:35,664 INFO L87 Difference]: Start difference. First operand 558 states and 735 transitions. Second operand 7 states. [2020-10-13 08:47:37,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:37,308 INFO L93 Difference]: Finished difference Result 1312 states and 1745 transitions. [2020-10-13 08:47:37,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 08:47:37,309 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 124 [2020-10-13 08:47:37,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:37,314 INFO L225 Difference]: With dead ends: 1312 [2020-10-13 08:47:37,315 INFO L226 Difference]: Without dead ends: 760 [2020-10-13 08:47:37,317 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-13 08:47:37,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-10-13 08:47:37,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 560. [2020-10-13 08:47:37,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:47:37,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 680 transitions. [2020-10-13 08:47:37,342 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 680 transitions. Word has length 124 [2020-10-13 08:47:37,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:37,342 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 680 transitions. [2020-10-13 08:47:37,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:47:37,343 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 680 transitions. [2020-10-13 08:47:37,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-13 08:47:37,346 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:37,346 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, 2, 2, 2, 2, 2, 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] [2020-10-13 08:47:37,347 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:47:37,347 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:37,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:37,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1487528378, now seen corresponding path program 1 times [2020-10-13 08:47:37,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:37,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [132172576] [2020-10-13 08:47:37,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:37,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:37,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:39,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:39,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-13 08:47:39,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:47:39,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1977 [2020-10-13 08:47:39,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:39,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:39,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-13 08:47:39,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-13 08:47:39,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:39,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:39,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:39,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:39,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:39,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:39,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:47:39,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:39,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:39,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:39,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:39,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:39,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:39,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:39,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:39,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 08:47:39,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:39,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-13 08:47:39,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:39,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:39,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:39,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-13 08:47:39,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:39,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 08:47:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:39,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:39,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:39,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:47:39,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:39,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-13 08:47:39,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:39,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:39,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:47:39,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 08:47:39,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:39,920 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 158 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 08:47:39,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [132172576] [2020-10-13 08:47:39,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:39,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:47:39,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251789103] [2020-10-13 08:47:39,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:47:39,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:39,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:47:39,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:47:39,923 INFO L87 Difference]: Start difference. First operand 560 states and 680 transitions. Second operand 7 states. [2020-10-13 08:47:41,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:41,388 INFO L93 Difference]: Finished difference Result 1498 states and 1877 transitions. [2020-10-13 08:47:41,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 08:47:41,391 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 233 [2020-10-13 08:47:41,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:41,400 INFO L225 Difference]: With dead ends: 1498 [2020-10-13 08:47:41,401 INFO L226 Difference]: Without dead ends: 1126 [2020-10-13 08:47:41,402 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-13 08:47:41,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2020-10-13 08:47:41,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 1120. [2020-10-13 08:47:41,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1120 states. [2020-10-13 08:47:41,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1277 transitions. [2020-10-13 08:47:41,456 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1277 transitions. Word has length 233 [2020-10-13 08:47:41,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:41,457 INFO L479 AbstractCegarLoop]: Abstraction has 1120 states and 1277 transitions. [2020-10-13 08:47:41,460 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:47:41,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1277 transitions. [2020-10-13 08:47:41,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2020-10-13 08:47:41,470 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:41,470 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:47:41,471 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:47:41,471 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:41,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:41,472 INFO L82 PathProgramCache]: Analyzing trace with hash 204833001, now seen corresponding path program 1 times [2020-10-13 08:47:41,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:41,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1167605931] [2020-10-13 08:47:41,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:41,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:41,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:41,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:42,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:44,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:46,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:46,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 442 [2020-10-13 08:47:46,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:47:46,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5061 [2020-10-13 08:47:46,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:46,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:46,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 316 [2020-10-13 08:47:46,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 08:47:46,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:46,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:46,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:46,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:46,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:46,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:46,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:47:46,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:46,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:46,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:46,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:46,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:46,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:46,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:46,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:46,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:47:46,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:46,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 08:47:46,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:46,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:46,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:46,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:46,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:46,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:47:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:46,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:46,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:46,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 08:47:46,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:46,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 08:47:46,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:46,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:46,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:46,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:46,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:46,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 08:47:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:47,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:47,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:47,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 08:47:47,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:47,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-13 08:47:47,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:47,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:47,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:47,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 08:47:47,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:47,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-10-13 08:47:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:47,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:47,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:47,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:47,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:47:47,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:47:47,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-13 08:47:47,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:47,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:47,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:47:47,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 08:47:47,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:47,710 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 396 proven. 2 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2020-10-13 08:47:47,711 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1167605931] [2020-10-13 08:47:47,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:47,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 08:47:47,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404951810] [2020-10-13 08:47:47,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 08:47:47,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:47,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 08:47:47,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:47:47,715 INFO L87 Difference]: Start difference. First operand 1120 states and 1277 transitions. Second operand 6 states. [2020-10-13 08:47:48,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:48,805 INFO L93 Difference]: Finished difference Result 1891 states and 2215 transitions. [2020-10-13 08:47:48,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 08:47:48,805 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 426 [2020-10-13 08:47:48,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:48,813 INFO L225 Difference]: With dead ends: 1891 [2020-10-13 08:47:48,813 INFO L226 Difference]: Without dead ends: 1131 [2020-10-13 08:47:48,816 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-13 08:47:48,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2020-10-13 08:47:48,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 1120. [2020-10-13 08:47:48,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1120 states. [2020-10-13 08:47:48,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1273 transitions. [2020-10-13 08:47:48,857 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1273 transitions. Word has length 426 [2020-10-13 08:47:48,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:48,859 INFO L479 AbstractCegarLoop]: Abstraction has 1120 states and 1273 transitions. [2020-10-13 08:47:48,859 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 08:47:48,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1273 transitions. [2020-10-13 08:47:48,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2020-10-13 08:47:48,870 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:48,871 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 08:47:48,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:47:48,872 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:48,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:48,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1331448926, now seen corresponding path program 1 times [2020-10-13 08:47:48,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:48,873 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1333582057] [2020-10-13 08:47:48,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:49,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:49,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:51,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:51,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:51,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:53,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:53,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 449 [2020-10-13 08:47:53,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:47:53,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 08:47:53,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:53,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:53,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 398 [2020-10-13 08:47:53,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-13 08:47:53,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:54,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:54,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:54,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:54,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:54,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:54,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:47:54,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:54,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:54,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:54,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:54,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:54,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:54,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:54,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:54,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:47:54,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:54,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 08:47:54,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:54,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:54,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:54,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:54,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:54,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:47:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:54,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:54,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:54,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 08:47:54,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:54,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 08:47:54,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:54,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:54,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:54,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:54,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:54,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 08:47:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:54,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:54,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:54,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-13 08:47:54,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:54,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-10-13 08:47:54,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:54,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:54,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:54,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-13 08:47:54,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 08:47:54,871 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 135 proven. 3 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2020-10-13 08:47:54,871 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1333582057] [2020-10-13 08:47:54,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:54,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:54,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876850809] [2020-10-13 08:47:54,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:54,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:54,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:54,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:54,875 INFO L87 Difference]: Start difference. First operand 1120 states and 1273 transitions. Second operand 5 states. [2020-10-13 08:47:56,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:56,168 INFO L93 Difference]: Finished difference Result 2424 states and 2879 transitions. [2020-10-13 08:47:56,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:56,170 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 435 [2020-10-13 08:47:56,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:56,179 INFO L225 Difference]: With dead ends: 2424 [2020-10-13 08:47:56,179 INFO L226 Difference]: Without dead ends: 1492 [2020-10-13 08:47:56,183 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:47:56,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1492 states. [2020-10-13 08:47:56,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1492 to 1304. [2020-10-13 08:47:56,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1304 states. [2020-10-13 08:47:56,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1304 states and 1504 transitions. [2020-10-13 08:47:56,226 INFO L78 Accepts]: Start accepts. Automaton has 1304 states and 1504 transitions. Word has length 435 [2020-10-13 08:47:56,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:56,227 INFO L479 AbstractCegarLoop]: Abstraction has 1304 states and 1504 transitions. [2020-10-13 08:47:56,227 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:56,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 1504 transitions. [2020-10-13 08:47:56,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2020-10-13 08:47:56,237 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:56,237 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 08:47:56,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:47:56,237 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:56,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:56,238 INFO L82 PathProgramCache]: Analyzing trace with hash 228691205, now seen corresponding path program 1 times [2020-10-13 08:47:56,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:56,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [981690131] [2020-10-13 08:47:56,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:56,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:56,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:56,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:56,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:58,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:01,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:01,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 456 [2020-10-13 08:48:01,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:48:01,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 08:48:01,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:01,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:01,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 405 [2020-10-13 08:48:01,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-13 08:48:01,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:48:01,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:48:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:01,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:01,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:01,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:48:01,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:01,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 08:48:01,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:01,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:01,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:01,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:01,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:48:01,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:48:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:01,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:01,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:01,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:48:01,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:01,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-13 08:48:01,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:01,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:01,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:01,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:01,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:48:01,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:48:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:01,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:01,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:01,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 08:48:01,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:01,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 08:48:01,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:01,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:01,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:01,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:01,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:01,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 08:48:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:01,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:01,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:01,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-13 08:48:01,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:01,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-13 08:48:01,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:01,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:48:01,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:01,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-13 08:48:01,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:48:02,280 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 135 proven. 3 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2020-10-13 08:48:02,281 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [981690131] [2020-10-13 08:48:02,281 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:48:02,281 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:48:02,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38970179] [2020-10-13 08:48:02,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:48:02,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:48:02,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:48:02,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:48:02,283 INFO L87 Difference]: Start difference. First operand 1304 states and 1504 transitions. Second operand 5 states. [2020-10-13 08:48:03,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:48:03,592 INFO L93 Difference]: Finished difference Result 2422 states and 2840 transitions. [2020-10-13 08:48:03,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:48:03,592 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 442 [2020-10-13 08:48:03,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:48:03,601 INFO L225 Difference]: With dead ends: 2422 [2020-10-13 08:48:03,601 INFO L226 Difference]: Without dead ends: 1490 [2020-10-13 08:48:03,604 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:48:03,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2020-10-13 08:48:03,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 1488. [2020-10-13 08:48:03,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1488 states. [2020-10-13 08:48:03,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 1699 transitions. [2020-10-13 08:48:03,645 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 1699 transitions. Word has length 442 [2020-10-13 08:48:03,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:48:03,646 INFO L479 AbstractCegarLoop]: Abstraction has 1488 states and 1699 transitions. [2020-10-13 08:48:03,647 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:48:03,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 1699 transitions. [2020-10-13 08:48:03,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2020-10-13 08:48:03,652 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:48:03,652 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:48:03,653 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:48:03,653 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:48:03,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:48:03,653 INFO L82 PathProgramCache]: Analyzing trace with hash 653861242, now seen corresponding path program 1 times [2020-10-13 08:48:03,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:48:03,654 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [403118745] [2020-10-13 08:48:03,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:48:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:03,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:03,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:04,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:06,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:06,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 469 [2020-10-13 08:48:06,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:48:06,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2331 [2020-10-13 08:48:06,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:06,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:06,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 343 [2020-10-13 08:48:06,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-13 08:48:06,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:06,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:48:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:06,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:06,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:06,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:48:06,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:06,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:48:06,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:06,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:06,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:06,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:06,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:06,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:48:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:06,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:06,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:06,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:48:06,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:06,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 08:48:06,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:06,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:06,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:06,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:06,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:06,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:48:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:06,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:06,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:06,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 08:48:06,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:06,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 08:48:06,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:06,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:06,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:06,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:06,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:06,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 08:48:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:06,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:06,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:06,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:48:06,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:06,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-13 08:48:06,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:06,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:48:06,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:06,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-13 08:48:06,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:48:06,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-10-13 08:48:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:06,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:06,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:06,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:48:06,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:06,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-13 08:48:06,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:06,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:06,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:48:06,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 08:48:06,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:48:07,108 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 396 proven. 2 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2020-10-13 08:48:07,115 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [403118745] [2020-10-13 08:48:07,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:48:07,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:48:07,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470804214] [2020-10-13 08:48:07,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:48:07,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:48:07,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:48:07,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:48:07,119 INFO L87 Difference]: Start difference. First operand 1488 states and 1699 transitions. Second operand 7 states. [2020-10-13 08:48:08,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:48:08,539 INFO L93 Difference]: Finished difference Result 2802 states and 3292 transitions. [2020-10-13 08:48:08,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 08:48:08,544 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 453 [2020-10-13 08:48:08,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:48:08,553 INFO L225 Difference]: With dead ends: 2802 [2020-10-13 08:48:08,553 INFO L226 Difference]: Without dead ends: 1686 [2020-10-13 08:48:08,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-13 08:48:08,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2020-10-13 08:48:08,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1494. [2020-10-13 08:48:08,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1494 states. [2020-10-13 08:48:08,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 1715 transitions. [2020-10-13 08:48:08,595 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 1715 transitions. Word has length 453 [2020-10-13 08:48:08,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:48:08,596 INFO L479 AbstractCegarLoop]: Abstraction has 1494 states and 1715 transitions. [2020-10-13 08:48:08,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:48:08,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 1715 transitions. [2020-10-13 08:48:08,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2020-10-13 08:48:08,601 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:48:08,601 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:48:08,602 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:48:08,602 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:48:08,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:48:08,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1989573846, now seen corresponding path program 1 times [2020-10-13 08:48:08,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:48:08,603 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1129717574] [2020-10-13 08:48:08,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:48:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:08,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:08,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:09,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:09,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:13,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:13,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 471 [2020-10-13 08:48:13,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:48:13,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4572 [2020-10-13 08:48:13,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:13,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:13,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 345 [2020-10-13 08:48:13,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-13 08:48:13,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:13,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:48:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:13,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:13,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:13,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:48:13,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:13,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 08:48:13,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:13,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:13,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:13,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:13,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:13,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:48:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:13,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:13,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:13,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:48:13,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:13,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 08:48:13,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:13,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:13,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:13,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:13,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:48:13,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:48:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:13,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:13,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:13,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 08:48:13,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:13,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 08:48:13,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:13,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:13,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:13,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:13,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:48:13,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 08:48:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:13,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:13,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:13,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 08:48:13,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:13,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-13 08:48:13,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:13,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:48:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-13 08:48:13,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:13,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2020-10-13 08:48:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:13,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:13,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:13,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:48:13,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:13,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-13 08:48:13,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:13,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:13,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:48:13,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 08:48:13,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:13,957 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 396 proven. 2 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2020-10-13 08:48:13,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1129717574] [2020-10-13 08:48:13,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:48:13,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:48:13,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340979735] [2020-10-13 08:48:13,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:48:13,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:48:13,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:48:13,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:48:13,960 INFO L87 Difference]: Start difference. First operand 1494 states and 1715 transitions. Second operand 7 states. [2020-10-13 08:48:15,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:48:15,704 INFO L93 Difference]: Finished difference Result 3208 states and 3863 transitions. [2020-10-13 08:48:15,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 08:48:15,713 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 455 [2020-10-13 08:48:15,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:48:15,724 INFO L225 Difference]: With dead ends: 3208 [2020-10-13 08:48:15,724 INFO L226 Difference]: Without dead ends: 1904 [2020-10-13 08:48:15,728 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:48:15,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1904 states. [2020-10-13 08:48:15,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1904 to 1874. [2020-10-13 08:48:15,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1874 states. [2020-10-13 08:48:15,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1874 states to 1874 states and 2165 transitions. [2020-10-13 08:48:15,787 INFO L78 Accepts]: Start accepts. Automaton has 1874 states and 2165 transitions. Word has length 455 [2020-10-13 08:48:15,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:48:15,788 INFO L479 AbstractCegarLoop]: Abstraction has 1874 states and 2165 transitions. [2020-10-13 08:48:15,788 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:48:15,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 2165 transitions. [2020-10-13 08:48:15,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2020-10-13 08:48:15,793 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:48:15,793 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:48:15,794 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:48:15,794 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:48:15,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:48:15,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1401187269, now seen corresponding path program 1 times [2020-10-13 08:48:15,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:48:15,795 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [49572142] [2020-10-13 08:48:15,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:48:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:15,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:16,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:17,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:17,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 476 [2020-10-13 08:48:17,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:48:17,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1127 [2020-10-13 08:48:17,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:17,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:17,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 350 [2020-10-13 08:48:17,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-13 08:48:17,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:17,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:48:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:17,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:17,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:17,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:48:17,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:17,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:48:17,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:17,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:17,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:17,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:17,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:17,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:48:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:17,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:17,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:17,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:48:17,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:17,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 08:48:17,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:17,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:17,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:17,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:17,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:17,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:48:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:17,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:17,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:17,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 08:48:17,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:17,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:48:17,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:17,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:17,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:17,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:17,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:17,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 08:48:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:17,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:17,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:17,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 08:48:17,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:17,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-13 08:48:17,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:17,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:48:17,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:17,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-13 08:48:17,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:17,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-13 08:48:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:17,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:17,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:17,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:48:17,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:17,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 08:48:17,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:17,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:17,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:48:17,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 08:48:17,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:17,425 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 396 proven. 2 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2020-10-13 08:48:17,426 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [49572142] [2020-10-13 08:48:17,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:48:17,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:48:17,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157231741] [2020-10-13 08:48:17,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:48:17,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:48:17,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:48:17,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:48:17,427 INFO L87 Difference]: Start difference. First operand 1874 states and 2165 transitions. Second operand 7 states. [2020-10-13 08:48:18,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:48:18,748 INFO L93 Difference]: Finished difference Result 3940 states and 4672 transitions. [2020-10-13 08:48:18,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 08:48:18,749 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 460 [2020-10-13 08:48:18,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:48:18,759 INFO L225 Difference]: With dead ends: 3940 [2020-10-13 08:48:18,759 INFO L226 Difference]: Without dead ends: 2256 [2020-10-13 08:48:18,764 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-13 08:48:18,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2256 states. [2020-10-13 08:48:18,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2256 to 2250. [2020-10-13 08:48:18,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2250 states. [2020-10-13 08:48:18,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2250 states to 2250 states and 2566 transitions. [2020-10-13 08:48:18,816 INFO L78 Accepts]: Start accepts. Automaton has 2250 states and 2566 transitions. Word has length 460 [2020-10-13 08:48:18,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:48:18,817 INFO L479 AbstractCegarLoop]: Abstraction has 2250 states and 2566 transitions. [2020-10-13 08:48:18,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:48:18,818 INFO L276 IsEmpty]: Start isEmpty. Operand 2250 states and 2566 transitions. [2020-10-13 08:48:18,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2020-10-13 08:48:18,823 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:48:18,824 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:48:18,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 08:48:18,824 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:48:18,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:48:18,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1988097262, now seen corresponding path program 1 times [2020-10-13 08:48:18,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:48:18,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1859598886] [2020-10-13 08:48:18,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:48:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:19,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:19,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:19,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:19,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:23,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:23,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 489 [2020-10-13 08:48:23,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:48:23,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4340 [2020-10-13 08:48:23,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:23,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:23,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 363 [2020-10-13 08:48:23,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-13 08:48:23,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:23,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:48:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:23,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:23,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:23,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:48:23,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:23,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:48:23,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:23,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:23,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:23,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:23,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:23,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:48:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:23,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:23,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:23,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:48:23,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:23,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-13 08:48:23,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:23,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:23,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:23,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:23,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:23,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:48:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:23,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:23,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:23,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 08:48:23,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:23,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 08:48:23,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:23,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:23,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:23,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:23,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:23,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 08:48:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:23,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:23,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:23,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-13 08:48:23,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:23,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-13 08:48:23,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:23,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:48:23,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:23,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-13 08:48:23,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:23,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-10-13 08:48:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:23,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:23,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:23,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:48:23,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:23,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 08:48:23,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:23,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:23,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:48:23,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 08:48:23,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:23,799 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 396 proven. 2 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2020-10-13 08:48:23,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1859598886] [2020-10-13 08:48:23,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:48:23,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:48:23,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737926641] [2020-10-13 08:48:23,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:48:23,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:48:23,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:48:23,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:48:23,802 INFO L87 Difference]: Start difference. First operand 2250 states and 2566 transitions. Second operand 8 states. [2020-10-13 08:48:26,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:48:26,807 INFO L93 Difference]: Finished difference Result 5798 states and 6767 transitions. [2020-10-13 08:48:26,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 08:48:26,808 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 473 [2020-10-13 08:48:26,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:48:26,825 INFO L225 Difference]: With dead ends: 5798 [2020-10-13 08:48:26,825 INFO L226 Difference]: Without dead ends: 3738 [2020-10-13 08:48:26,832 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-13 08:48:26,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3738 states. [2020-10-13 08:48:26,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3738 to 2816. [2020-10-13 08:48:26,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2816 states. [2020-10-13 08:48:26,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2816 states to 2816 states and 3221 transitions. [2020-10-13 08:48:26,907 INFO L78 Accepts]: Start accepts. Automaton has 2816 states and 3221 transitions. Word has length 473 [2020-10-13 08:48:26,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:48:26,908 INFO L479 AbstractCegarLoop]: Abstraction has 2816 states and 3221 transitions. [2020-10-13 08:48:26,908 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:48:26,908 INFO L276 IsEmpty]: Start isEmpty. Operand 2816 states and 3221 transitions. [2020-10-13 08:48:26,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2020-10-13 08:48:26,916 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:48:26,916 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:48:26,916 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 08:48:26,917 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:48:26,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:48:26,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1907786894, now seen corresponding path program 1 times [2020-10-13 08:48:26,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:48:26,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1673852130] [2020-10-13 08:48:26,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:48:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:27,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:27,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:27,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:27,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 517 [2020-10-13 08:48:27,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:48:27,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 956 [2020-10-13 08:48:27,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:27,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:27,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 350 [2020-10-13 08:48:27,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-13 08:48:27,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:28,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:48:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:28,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:28,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:28,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:48:28,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:28,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:48:28,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:28,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:28,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:28,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:28,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:28,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:48:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:28,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:28,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:28,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:48:28,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:28,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 08:48:28,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:28,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:28,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:28,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:28,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:28,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:48:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:28,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:28,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:28,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 08:48:28,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:28,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 08:48:28,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:28,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:28,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:28,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:28,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:28,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 08:48:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:28,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:28,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:28,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 08:48:28,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:28,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 08:48:28,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:28,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:48:28,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:28,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-13 08:48:28,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:28,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-13 08:48:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:28,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:28,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:28,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-13 08:48:28,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:28,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-13 08:48:28,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:28,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:28,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:48:28,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-13 08:48:28,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:28,521 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 510 proven. 2 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2020-10-13 08:48:28,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1673852130] [2020-10-13 08:48:28,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:48:28,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:48:28,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175041414] [2020-10-13 08:48:28,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:48:28,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:48:28,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:48:28,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:48:28,523 INFO L87 Difference]: Start difference. First operand 2816 states and 3221 transitions. Second operand 7 states. [2020-10-13 08:48:30,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:48:30,054 INFO L93 Difference]: Finished difference Result 6578 states and 7660 transitions. [2020-10-13 08:48:30,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 08:48:30,054 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 501 [2020-10-13 08:48:30,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:48:30,071 INFO L225 Difference]: With dead ends: 6578 [2020-10-13 08:48:30,071 INFO L226 Difference]: Without dead ends: 3952 [2020-10-13 08:48:30,083 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:48:30,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2020-10-13 08:48:30,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3574. [2020-10-13 08:48:30,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3574 states. [2020-10-13 08:48:30,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3574 states to 3574 states and 4110 transitions. [2020-10-13 08:48:30,174 INFO L78 Accepts]: Start accepts. Automaton has 3574 states and 4110 transitions. Word has length 501 [2020-10-13 08:48:30,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:48:30,174 INFO L479 AbstractCegarLoop]: Abstraction has 3574 states and 4110 transitions. [2020-10-13 08:48:30,174 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:48:30,175 INFO L276 IsEmpty]: Start isEmpty. Operand 3574 states and 4110 transitions. [2020-10-13 08:48:30,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2020-10-13 08:48:30,184 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:48:30,184 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, 5, 5, 5, 5, 5, 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, 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] [2020-10-13 08:48:30,184 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 08:48:30,185 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:48:30,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:48:30,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1300269782, now seen corresponding path program 1 times [2020-10-13 08:48:30,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:48:30,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [81839474] [2020-10-13 08:48:30,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:48:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:30,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:30,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:30,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:30,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:31,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:35,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:35,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 577 [2020-10-13 08:48:35,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:48:35,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-13 08:48:35,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:35,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:48:35,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 451 [2020-10-13 08:48:35,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-13 08:48:35,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:35,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:48:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:35,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:35,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:35,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:48:35,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:35,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:48:35,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:35,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:35,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:35,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:35,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:35,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:48:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:35,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:35,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:35,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:48:35,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:35,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 08:48:35,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:35,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:35,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:35,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:35,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:35,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:48:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:35,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:35,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:35,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 08:48:35,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:35,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 08:48:35,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:35,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:35,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:35,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:35,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:35,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 08:48:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:35,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:35,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:35,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-13 08:48:35,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:35,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 08:48:35,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:35,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:35,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:35,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:35,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:35,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-10-13 08:48:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:35,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:35,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:35,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 08:48:35,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:35,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 08:48:35,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:35,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:48:35,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:35,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-13 08:48:35,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:35,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2020-10-13 08:48:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:35,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:35,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:35,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:35,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:48:35,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:48:35,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-13 08:48:35,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:35,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:35,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:48:35,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 08:48:35,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:35,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1098 backedges. 515 proven. 2 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2020-10-13 08:48:35,824 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [81839474] [2020-10-13 08:48:35,824 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:48:35,824 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:48:35,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228795380] [2020-10-13 08:48:35,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:48:35,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:48:35,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:48:35,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:48:35,825 INFO L87 Difference]: Start difference. First operand 3574 states and 4110 transitions. Second operand 7 states. [2020-10-13 08:48:37,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:48:37,935 INFO L93 Difference]: Finished difference Result 9888 states and 11567 transitions. [2020-10-13 08:48:37,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 08:48:37,936 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 559 [2020-10-13 08:48:37,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:48:37,959 INFO L225 Difference]: With dead ends: 9888 [2020-10-13 08:48:37,959 INFO L226 Difference]: Without dead ends: 6136 [2020-10-13 08:48:37,970 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-13 08:48:37,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6136 states. [2020-10-13 08:48:38,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6136 to 6136. [2020-10-13 08:48:38,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6136 states. [2020-10-13 08:48:38,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6136 states to 6136 states and 7160 transitions. [2020-10-13 08:48:38,100 INFO L78 Accepts]: Start accepts. Automaton has 6136 states and 7160 transitions. Word has length 559 [2020-10-13 08:48:38,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:48:38,101 INFO L479 AbstractCegarLoop]: Abstraction has 6136 states and 7160 transitions. [2020-10-13 08:48:38,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:48:38,101 INFO L276 IsEmpty]: Start isEmpty. Operand 6136 states and 7160 transitions. [2020-10-13 08:48:38,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 562 [2020-10-13 08:48:38,114 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:48:38,115 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:48:38,115 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 08:48:38,115 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:48:38,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:48:38,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1754714922, now seen corresponding path program 1 times [2020-10-13 08:48:38,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:48:38,116 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1974397097] [2020-10-13 08:48:38,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:48:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:38,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:38,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:39,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:41,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:41,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 577 [2020-10-13 08:48:41,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:48:41,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3540 [2020-10-13 08:48:41,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:41,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:41,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 410 [2020-10-13 08:48:41,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-13 08:48:41,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:41,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:48:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:41,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:41,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:41,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:48:41,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:41,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:48:41,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:41,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:41,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:41,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:41,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:41,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:48:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:41,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:41,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:41,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:48:41,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:41,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 08:48:41,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:41,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:41,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:41,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:41,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:41,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:48:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:41,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:41,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:41,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 08:48:41,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:41,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 08:48:41,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:41,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:41,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:41,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:41,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:41,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 08:48:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:41,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:42,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:42,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-13 08:48:42,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:42,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-13 08:48:42,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:42,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:48:42,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:42,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-13 08:48:42,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:42,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-10-13 08:48:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:42,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:42,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:42,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-13 08:48:42,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:42,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-13 08:48:42,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:42,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:42,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:48:42,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-13 08:48:42,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:42,257 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 510 proven. 2 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2020-10-13 08:48:42,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1974397097] [2020-10-13 08:48:42,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:48:42,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:48:42,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995522140] [2020-10-13 08:48:42,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:48:42,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:48:42,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:48:42,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:48:42,259 INFO L87 Difference]: Start difference. First operand 6136 states and 7160 transitions. Second operand 7 states. [2020-10-13 08:48:43,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:48:43,818 INFO L93 Difference]: Finished difference Result 13744 states and 16228 transitions. [2020-10-13 08:48:43,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 08:48:43,824 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 561 [2020-10-13 08:48:43,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:48:43,860 INFO L225 Difference]: With dead ends: 13744 [2020-10-13 08:48:43,860 INFO L226 Difference]: Without dead ends: 7798 [2020-10-13 08:48:43,876 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:48:43,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7798 states. [2020-10-13 08:48:44,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7798 to 7246. [2020-10-13 08:48:44,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7246 states. [2020-10-13 08:48:44,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7246 states to 7246 states and 8559 transitions. [2020-10-13 08:48:44,028 INFO L78 Accepts]: Start accepts. Automaton has 7246 states and 8559 transitions. Word has length 561 [2020-10-13 08:48:44,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:48:44,029 INFO L479 AbstractCegarLoop]: Abstraction has 7246 states and 8559 transitions. [2020-10-13 08:48:44,029 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:48:44,029 INFO L276 IsEmpty]: Start isEmpty. Operand 7246 states and 8559 transitions. [2020-10-13 08:48:44,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2020-10-13 08:48:44,045 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:48:44,045 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:48:44,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 08:48:44,046 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:48:44,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:48:44,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1688339062, now seen corresponding path program 1 times [2020-10-13 08:48:44,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:48:44,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [895535031] [2020-10-13 08:48:44,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:48:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:44,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:44,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:44,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:44,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:45,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:49,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:49,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 619 [2020-10-13 08:48:49,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:48:49,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5067 [2020-10-13 08:48:49,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:49,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:48:49,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 452 [2020-10-13 08:48:49,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 08:48:49,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:49,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:48:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:49,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:49,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:49,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:48:49,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:49,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:48:49,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:49,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:49,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:49,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:49,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:49,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:48:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:49,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:49,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:49,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:48:49,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:49,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 08:48:49,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:49,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:49,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:49,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:49,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:49,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:48:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:49,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:49,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:49,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 08:48:49,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:49,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 08:48:49,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:49,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:49,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:49,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:49,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:49,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 08:48:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:49,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:49,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:49,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 08:48:49,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:49,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 08:48:49,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:49,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:49,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:49,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:49,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:49,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2020-10-13 08:48:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:49,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:49,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:49,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-13 08:48:49,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:49,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 08:48:49,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:49,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:48:49,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:49,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-13 08:48:49,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:49,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-10-13 08:48:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:49,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:49,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:49,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:49,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-13 08:48:49,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:48:49,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 221 [2020-10-13 08:48:49,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:49,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:48:49,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:48:49,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-13 08:48:49,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:50,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1299 backedges. 659 proven. 2 refuted. 0 times theorem prover too weak. 638 trivial. 0 not checked. [2020-10-13 08:48:50,565 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [895535031] [2020-10-13 08:48:50,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:48:50,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 08:48:50,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957589244] [2020-10-13 08:48:50,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 08:48:50,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:48:50,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 08:48:50,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 08:48:50,569 INFO L87 Difference]: Start difference. First operand 7246 states and 8559 transitions. Second operand 10 states. [2020-10-13 08:48:53,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:48:53,004 INFO L93 Difference]: Finished difference Result 11707 states and 13781 transitions. [2020-10-13 08:48:53,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 08:48:53,005 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 601 [2020-10-13 08:48:53,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:48:53,026 INFO L225 Difference]: With dead ends: 11707 [2020-10-13 08:48:53,026 INFO L226 Difference]: Without dead ends: 7315 [2020-10-13 08:48:53,035 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2020-10-13 08:48:53,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7315 states. [2020-10-13 08:48:53,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7315 to 7242. [2020-10-13 08:48:53,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7242 states. [2020-10-13 08:48:53,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7242 states to 7242 states and 8503 transitions. [2020-10-13 08:48:53,187 INFO L78 Accepts]: Start accepts. Automaton has 7242 states and 8503 transitions. Word has length 601 [2020-10-13 08:48:53,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:48:53,188 INFO L479 AbstractCegarLoop]: Abstraction has 7242 states and 8503 transitions. [2020-10-13 08:48:53,188 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 08:48:53,188 INFO L276 IsEmpty]: Start isEmpty. Operand 7242 states and 8503 transitions. [2020-10-13 08:48:53,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2020-10-13 08:48:53,204 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:48:53,205 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:48:53,205 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 08:48:53,205 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:48:53,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:48:53,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1210187246, now seen corresponding path program 1 times [2020-10-13 08:48:53,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:48:53,206 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1670921274] [2020-10-13 08:48:53,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:48:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:53,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:53,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:53,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:54,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:55,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:56,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:56,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:58,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:58,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 639 [2020-10-13 08:48:58,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 08:48:58,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 08:48:58,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:58,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:58,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 588 [2020-10-13 08:48:58,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 08:48:58,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:58,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:48:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:58,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:58,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:58,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:48:58,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:58,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:48:58,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:58,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:58,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:58,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:58,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:58,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:48:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:58,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:58,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:58,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:48:58,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:58,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 08:48:58,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:58,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:58,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:58,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:58,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:58,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:48:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:58,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:58,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:58,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 08:48:58,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:58,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 08:48:58,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:58,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:58,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:58,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:58,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:58,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 08:48:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:58,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:58,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:58,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 08:48:58,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:58,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 08:48:58,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:58,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:58,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:58,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:58,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:58,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-13 08:48:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:58,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:58,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:58,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 08:48:58,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:58,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 08:48:58,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:58,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:58,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:58,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:58,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:58,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-13 08:48:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:58,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:58,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:58,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-13 08:48:58,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:58,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-13 08:48:58,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:58,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:48:58,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:58,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-13 08:48:58,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:58,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1208 backedges. 227 proven. 5 refuted. 0 times theorem prover too weak. 976 trivial. 0 not checked. [2020-10-13 08:48:58,947 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1670921274] [2020-10-13 08:48:58,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:48:58,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:48:58,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234450844] [2020-10-13 08:48:58,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:48:58,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:48:58,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:48:58,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:48:58,949 INFO L87 Difference]: Start difference. First operand 7242 states and 8503 transitions. Second operand 5 states. [2020-10-13 08:48:59,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:48:59,735 INFO L93 Difference]: Finished difference Result 11578 states and 13561 transitions. [2020-10-13 08:48:59,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:48:59,735 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 621 [2020-10-13 08:48:59,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:48:59,755 INFO L225 Difference]: With dead ends: 11578 [2020-10-13 08:48:59,755 INFO L226 Difference]: Without dead ends: 7242 [2020-10-13 08:48:59,767 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:48:59,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7242 states. [2020-10-13 08:48:59,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7242 to 7242. [2020-10-13 08:48:59,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7242 states. [2020-10-13 08:48:59,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7242 states to 7242 states and 8484 transitions. [2020-10-13 08:48:59,919 INFO L78 Accepts]: Start accepts. Automaton has 7242 states and 8484 transitions. Word has length 621 [2020-10-13 08:48:59,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:48:59,920 INFO L479 AbstractCegarLoop]: Abstraction has 7242 states and 8484 transitions. [2020-10-13 08:48:59,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:48:59,920 INFO L276 IsEmpty]: Start isEmpty. Operand 7242 states and 8484 transitions. [2020-10-13 08:48:59,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 638 [2020-10-13 08:48:59,936 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:48:59,938 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:48:59,939 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 08:48:59,939 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:48:59,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:48:59,940 INFO L82 PathProgramCache]: Analyzing trace with hash 493309106, now seen corresponding path program 1 times [2020-10-13 08:48:59,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:48:59,940 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1397376565] [2020-10-13 08:48:59,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:00,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:00,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:01,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:02,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:05,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:05,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 655 [2020-10-13 08:49:05,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:49:05,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-13 08:49:05,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:05,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:49:05,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 488 [2020-10-13 08:49:05,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-13 08:49:05,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:05,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:49:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:05,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:05,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:05,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:49:05,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:05,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:49:05,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:05,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:05,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:05,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:05,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:05,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:49:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:05,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:05,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:05,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:49:05,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:05,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 08:49:05,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:05,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:05,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:05,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:05,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:05,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:49:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:05,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:05,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:05,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 08:49:05,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:05,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 08:49:05,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:05,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:05,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:05,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:05,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:05,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 08:49:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:05,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:05,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:05,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-13 08:49:05,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:05,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 08:49:05,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:05,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:05,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:05,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:05,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:05,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-10-13 08:49:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:05,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:05,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:05,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 08:49:05,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:05,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 08:49:05,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:05,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:49:05,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:05,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-13 08:49:05,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:05,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2020-10-13 08:49:05,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:05,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:05,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:05,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-13 08:49:05,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:05,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-13 08:49:05,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:05,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 08:49:05,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:49:05,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-13 08:49:05,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:06,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1185 backedges. 601 proven. 33 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2020-10-13 08:49:06,090 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1397376565] [2020-10-13 08:49:06,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:49:06,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:49:06,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126085026] [2020-10-13 08:49:06,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:49:06,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:49:06,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:49:06,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:49:06,091 INFO L87 Difference]: Start difference. First operand 7242 states and 8484 transitions. Second operand 8 states. [2020-10-13 08:49:07,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:49:07,977 INFO L93 Difference]: Finished difference Result 13071 states and 15342 transitions. [2020-10-13 08:49:07,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 08:49:07,978 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 637 [2020-10-13 08:49:07,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:49:08,002 INFO L225 Difference]: With dead ends: 13071 [2020-10-13 08:49:08,003 INFO L226 Difference]: Without dead ends: 8730 [2020-10-13 08:49:08,014 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:49:08,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8730 states. [2020-10-13 08:49:08,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8730 to 8176. [2020-10-13 08:49:08,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8176 states. [2020-10-13 08:49:08,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8176 states to 8176 states and 9646 transitions. [2020-10-13 08:49:08,192 INFO L78 Accepts]: Start accepts. Automaton has 8176 states and 9646 transitions. Word has length 637 [2020-10-13 08:49:08,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:49:08,193 INFO L479 AbstractCegarLoop]: Abstraction has 8176 states and 9646 transitions. [2020-10-13 08:49:08,193 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:49:08,193 INFO L276 IsEmpty]: Start isEmpty. Operand 8176 states and 9646 transitions. [2020-10-13 08:49:08,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 639 [2020-10-13 08:49:08,213 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:08,214 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2020-10-13 08:49:08,214 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 08:49:08,215 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:08,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:08,215 INFO L82 PathProgramCache]: Analyzing trace with hash -766362323, now seen corresponding path program 1 times [2020-10-13 08:49:08,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:08,216 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1365363616] [2020-10-13 08:49:08,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:08,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:08,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:08,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:08,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:10,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:13,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:13,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 656 [2020-10-13 08:49:13,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:49:13,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-13 08:49:13,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:13,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:49:13,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 489 [2020-10-13 08:49:13,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 08:49:13,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:13,545 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-10-13 08:49:13,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:49:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:13,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:13,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:13,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:49:13,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:13,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:49:13,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:13,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:13,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:13,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:13,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:13,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:49:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:13,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:13,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:13,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:49:13,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:13,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 08:49:13,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:13,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:13,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:13,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:13,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:13,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:49:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:13,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:13,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:13,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 08:49:13,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:13,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 08:49:13,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:13,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:13,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:13,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:13,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:13,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 08:49:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:13,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:13,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:13,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 08:49:13,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:13,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 08:49:13,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:13,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:13,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:13,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:13,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:13,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2020-10-13 08:49:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:13,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:13,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:13,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-13 08:49:13,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:13,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-13 08:49:13,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:13,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:49:13,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:13,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-13 08:49:13,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:13,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2020-10-13 08:49:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:13,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:13,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:13,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:13,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-13 08:49:13,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:49:13,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-13 08:49:13,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:13,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:49:13,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:49:13,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-13 08:49:13,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:14,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1324 backedges. 668 proven. 2 refuted. 0 times theorem prover too weak. 654 trivial. 0 not checked. [2020-10-13 08:49:14,149 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1365363616] [2020-10-13 08:49:14,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:49:14,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:49:14,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964920478] [2020-10-13 08:49:14,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:49:14,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:49:14,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:49:14,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:49:14,151 INFO L87 Difference]: Start difference. First operand 8176 states and 9646 transitions. Second operand 7 states. [2020-10-13 08:49:15,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:49:15,235 INFO L93 Difference]: Finished difference Result 13376 states and 16307 transitions. [2020-10-13 08:49:15,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 08:49:15,236 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 638 [2020-10-13 08:49:15,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:49:15,274 INFO L225 Difference]: With dead ends: 13376 [2020-10-13 08:49:15,274 INFO L226 Difference]: Without dead ends: 8116 [2020-10-13 08:49:15,287 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-13 08:49:15,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8116 states. [2020-10-13 08:49:15,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8116 to 7990. [2020-10-13 08:49:15,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7990 states. [2020-10-13 08:49:15,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7990 states to 7990 states and 9392 transitions. [2020-10-13 08:49:15,465 INFO L78 Accepts]: Start accepts. Automaton has 7990 states and 9392 transitions. Word has length 638 [2020-10-13 08:49:15,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:49:15,466 INFO L479 AbstractCegarLoop]: Abstraction has 7990 states and 9392 transitions. [2020-10-13 08:49:15,466 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:49:15,466 INFO L276 IsEmpty]: Start isEmpty. Operand 7990 states and 9392 transitions. [2020-10-13 08:49:15,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 655 [2020-10-13 08:49:15,487 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:15,488 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, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:49:15,488 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-13 08:49:15,488 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:15,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:15,489 INFO L82 PathProgramCache]: Analyzing trace with hash -276698971, now seen corresponding path program 1 times [2020-10-13 08:49:15,489 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:15,489 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [404931991] [2020-10-13 08:49:15,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:15,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:15,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:15,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:15,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:16,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:18,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:20,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:20,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 674 [2020-10-13 08:49:20,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 08:49:20,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 08:49:20,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:20,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:49:20,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 548 [2020-10-13 08:49:20,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-13 08:49:20,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:20,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:49:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:20,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:20,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:20,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:49:20,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:20,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:49:20,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:20,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:20,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:20,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:20,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:20,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:49:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:20,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:20,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:20,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:49:20,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:20,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 08:49:20,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:20,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:20,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:20,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:20,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:20,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:49:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:20,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:20,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:20,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 08:49:20,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:20,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:49:20,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:20,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:20,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:20,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:20,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:20,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 08:49:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:20,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:20,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:20,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 08:49:20,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:20,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 08:49:20,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:20,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:20,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:20,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:20,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:20,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-13 08:49:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:20,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:20,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:20,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 08:49:20,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:20,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:49:20,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:20,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:20,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:20,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:20,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:20,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-13 08:49:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:20,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:20,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:20,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-13 08:49:20,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:20,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-13 08:49:20,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:20,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:49:20,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:20,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-13 08:49:20,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:20,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2020-10-13 08:49:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:20,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:21,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:21,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:49:21,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:21,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-13 08:49:21,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:21,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:49:21,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:49:21,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 08:49:21,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:21,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1613 backedges. 634 proven. 2 refuted. 0 times theorem prover too weak. 977 trivial. 0 not checked. [2020-10-13 08:49:21,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [404931991] [2020-10-13 08:49:21,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:49:21,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:49:21,222 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736101888] [2020-10-13 08:49:21,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:49:21,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:49:21,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:49:21,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:49:21,224 INFO L87 Difference]: Start difference. First operand 7990 states and 9392 transitions. Second operand 7 states. [2020-10-13 08:49:23,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:49:23,479 INFO L93 Difference]: Finished difference Result 16154 states and 18986 transitions. [2020-10-13 08:49:23,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 08:49:23,481 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 654 [2020-10-13 08:49:23,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:49:23,499 INFO L225 Difference]: With dead ends: 16154 [2020-10-13 08:49:23,499 INFO L226 Difference]: Without dead ends: 8354 [2020-10-13 08:49:23,514 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:49:23,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8354 states. [2020-10-13 08:49:23,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8354 to 8170. [2020-10-13 08:49:23,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8170 states. [2020-10-13 08:49:23,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8170 states to 8170 states and 9427 transitions. [2020-10-13 08:49:23,675 INFO L78 Accepts]: Start accepts. Automaton has 8170 states and 9427 transitions. Word has length 654 [2020-10-13 08:49:23,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:49:23,676 INFO L479 AbstractCegarLoop]: Abstraction has 8170 states and 9427 transitions. [2020-10-13 08:49:23,677 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:49:23,677 INFO L276 IsEmpty]: Start isEmpty. Operand 8170 states and 9427 transitions. [2020-10-13 08:49:23,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 671 [2020-10-13 08:49:23,702 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:23,703 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:49:23,703 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-13 08:49:23,703 INFO L427 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:23,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:23,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1012008647, now seen corresponding path program 1 times [2020-10-13 08:49:23,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:23,704 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [668286479] [2020-10-13 08:49:23,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:23,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:24,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:25,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:25,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:28,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:28,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 688 [2020-10-13 08:49:28,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:49:28,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 08:49:28,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:28,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 08:49:28,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-13 08:49:28,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-13 08:49:28,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:28,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:49:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:28,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:28,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:28,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:49:28,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:28,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:49:28,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:28,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:28,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:28,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:28,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:28,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:49:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:28,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:28,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:28,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:49:28,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:28,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 08:49:28,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:28,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:28,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:28,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:28,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:29,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:49:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:29,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:29,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:29,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 08:49:29,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:29,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-13 08:49:29,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:29,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:49:29,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:29,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-13 08:49:29,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:29,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 08:49:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:29,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:29,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:29,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:29,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-13 08:49:29,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:49:29,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 354 [2020-10-13 08:49:29,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:29,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:49:29,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:49:29,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-13 08:49:29,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:29,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-10-13 08:49:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:29,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:29,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:29,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 08:49:29,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:29,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 08:49:29,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:29,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:29,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-13 08:49:29,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:29,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:29,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2020-10-13 08:49:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:29,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:29,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:29,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-13 08:49:29,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:29,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 08:49:29,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:29,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:29,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 145 [2020-10-13 08:49:29,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:29,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:29,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1218 backedges. 454 proven. 219 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2020-10-13 08:49:29,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [668286479] [2020-10-13 08:49:29,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:49:29,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:49:29,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023779223] [2020-10-13 08:49:29,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:49:29,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:49:29,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:49:29,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:49:29,871 INFO L87 Difference]: Start difference. First operand 8170 states and 9427 transitions. Second operand 8 states. [2020-10-13 08:49:31,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:49:31,892 INFO L93 Difference]: Finished difference Result 16338 states and 18870 transitions. [2020-10-13 08:49:31,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 08:49:31,893 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 670 [2020-10-13 08:49:31,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:49:31,910 INFO L225 Difference]: With dead ends: 16338 [2020-10-13 08:49:31,910 INFO L226 Difference]: Without dead ends: 8358 [2020-10-13 08:49:31,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-13 08:49:31,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8358 states. [2020-10-13 08:49:32,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8358 to 8352. [2020-10-13 08:49:32,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8352 states. [2020-10-13 08:49:32,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8352 states to 8352 states and 9597 transitions. [2020-10-13 08:49:32,060 INFO L78 Accepts]: Start accepts. Automaton has 8352 states and 9597 transitions. Word has length 670 [2020-10-13 08:49:32,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:49:32,061 INFO L479 AbstractCegarLoop]: Abstraction has 8352 states and 9597 transitions. [2020-10-13 08:49:32,061 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:49:32,061 INFO L276 IsEmpty]: Start isEmpty. Operand 8352 states and 9597 transitions. [2020-10-13 08:49:32,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 675 [2020-10-13 08:49:32,075 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:32,075 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, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:49:32,076 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-13 08:49:32,076 INFO L427 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:32,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:32,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1848262589, now seen corresponding path program 1 times [2020-10-13 08:49:32,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:32,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1776628450] [2020-10-13 08:49:32,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:32,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:32,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:32,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:34,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:35,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:37,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:37,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 694 [2020-10-13 08:49:37,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:49:37,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-13 08:49:37,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:37,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:49:37,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 568 [2020-10-13 08:49:37,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-13 08:49:37,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:37,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:49:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:37,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:37,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:37,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:49:37,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:37,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:49:37,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:37,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:37,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:37,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:37,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:37,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:49:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:37,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:37,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:37,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:49:37,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:37,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:49:37,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:37,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:37,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:37,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:37,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:37,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:49:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:37,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:37,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:37,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 08:49:37,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:37,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 08:49:37,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:37,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:37,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:37,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:37,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:37,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 08:49:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:37,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:37,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:37,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 08:49:37,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:37,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:49:37,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:37,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:37,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:37,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:37,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:37,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-13 08:49:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:37,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:37,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:37,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 08:49:37,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:37,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 08:49:37,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:37,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:37,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:37,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:37,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:37,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-13 08:49:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:37,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:37,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:37,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-13 08:49:37,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:37,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-13 08:49:37,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:37,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:49:37,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:37,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-13 08:49:37,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:37,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2020-10-13 08:49:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:37,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:37,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:37,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:49:37,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:37,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 08:49:37,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:37,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 08:49:37,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:49:37,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 08:49:37,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:37,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1617 backedges. 602 proven. 34 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked. [2020-10-13 08:49:37,827 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1776628450] [2020-10-13 08:49:37,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:49:37,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:49:37,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848848323] [2020-10-13 08:49:37,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:49:37,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:49:37,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:49:37,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:49:37,829 INFO L87 Difference]: Start difference. First operand 8352 states and 9597 transitions. Second operand 8 states. [2020-10-13 08:49:39,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:49:39,620 INFO L93 Difference]: Finished difference Result 15672 states and 17982 transitions. [2020-10-13 08:49:39,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 08:49:39,622 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 674 [2020-10-13 08:49:39,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:49:39,644 INFO L225 Difference]: With dead ends: 15672 [2020-10-13 08:49:39,644 INFO L226 Difference]: Without dead ends: 10188 [2020-10-13 08:49:39,653 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:49:39,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10188 states. [2020-10-13 08:49:39,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10188 to 9820. [2020-10-13 08:49:39,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9820 states. [2020-10-13 08:49:39,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9820 states to 9820 states and 11263 transitions. [2020-10-13 08:49:39,822 INFO L78 Accepts]: Start accepts. Automaton has 9820 states and 11263 transitions. Word has length 674 [2020-10-13 08:49:39,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:49:39,823 INFO L479 AbstractCegarLoop]: Abstraction has 9820 states and 11263 transitions. [2020-10-13 08:49:39,823 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:49:39,823 INFO L276 IsEmpty]: Start isEmpty. Operand 9820 states and 11263 transitions. [2020-10-13 08:49:39,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2020-10-13 08:49:39,837 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:39,838 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:49:39,838 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-13 08:49:39,839 INFO L427 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:39,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:39,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1835307001, now seen corresponding path program 1 times [2020-10-13 08:49:39,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:39,844 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [652895031] [2020-10-13 08:49:39,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:40,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:40,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:40,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:40,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:40,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:43,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:44,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:44,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:44,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:44,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:44,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:44,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:44,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 700 [2020-10-13 08:49:44,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-13 08:49:44,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 08:49:44,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:44,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:49:44,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 649 [2020-10-13 08:49:44,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-13 08:49:44,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:45,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:49:45,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:45,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:45,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:45,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:49:45,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:45,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:49:45,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:45,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:45,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:45,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:45,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:45,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:49:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:45,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:45,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:45,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:49:45,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:45,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:49:45,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:45,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:45,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:45,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:45,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:45,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:49:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:45,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:45,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:45,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 08:49:45,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:45,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 08:49:45,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:45,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:45,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:45,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:45,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:45,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 08:49:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:45,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:45,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:45,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 08:49:45,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:45,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:49:45,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:45,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:45,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:45,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:45,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:45,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-13 08:49:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:45,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:45,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:45,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 08:49:45,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:45,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 08:49:45,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:45,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:45,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:45,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:45,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:45,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-13 08:49:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:45,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:45,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:45,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-13 08:49:45,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:45,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:49:45,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:45,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:45,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:45,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:45,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:45,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2020-10-13 08:49:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:45,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:45,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:45,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-13 08:49:45,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:45,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 08:49:45,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:45,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:49:45,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:45,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-13 08:49:45,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:45,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1725 backedges. 273 proven. 6 refuted. 0 times theorem prover too weak. 1446 trivial. 0 not checked. [2020-10-13 08:49:45,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [652895031] [2020-10-13 08:49:45,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:49:45,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:49:45,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094270851] [2020-10-13 08:49:45,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:49:45,549 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:49:45,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:49:45,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:49:45,550 INFO L87 Difference]: Start difference. First operand 9820 states and 11263 transitions. Second operand 5 states. [2020-10-13 08:49:46,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:49:46,703 INFO L93 Difference]: Finished difference Result 20906 states and 24063 transitions. [2020-10-13 08:49:46,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:49:46,704 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 680 [2020-10-13 08:49:46,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:49:46,722 INFO L225 Difference]: With dead ends: 20906 [2020-10-13 08:49:46,722 INFO L226 Difference]: Without dead ends: 11276 [2020-10-13 08:49:46,734 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:49:46,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11276 states. [2020-10-13 08:49:46,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11276 to 9452. [2020-10-13 08:49:46,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9452 states. [2020-10-13 08:49:46,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9452 states to 9452 states and 10836 transitions. [2020-10-13 08:49:46,892 INFO L78 Accepts]: Start accepts. Automaton has 9452 states and 10836 transitions. Word has length 680 [2020-10-13 08:49:46,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:49:46,893 INFO L479 AbstractCegarLoop]: Abstraction has 9452 states and 10836 transitions. [2020-10-13 08:49:46,893 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:49:46,893 INFO L276 IsEmpty]: Start isEmpty. Operand 9452 states and 10836 transitions. [2020-10-13 08:49:46,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 694 [2020-10-13 08:49:46,905 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:46,905 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:49:46,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-13 08:49:46,906 INFO L427 AbstractCegarLoop]: === Iteration 24 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:46,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:46,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1991266746, now seen corresponding path program 1 times [2020-10-13 08:49:46,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:46,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1496417626] [2020-10-13 08:49:46,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:47,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:47,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:47,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 711 [2020-10-13 08:49:47,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:47,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 469 [2020-10-13 08:49:47,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:47,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:49:47,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-13 08:49:47,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-13 08:49:47,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:47,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:49:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:47,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:47,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:47,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:49:47,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:47,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:49:47,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:47,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:47,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:47,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:47,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:47,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:49:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:47,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:47,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:47,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:49:47,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:47,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:49:47,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:47,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:47,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:47,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:47,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:47,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:49:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:47,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:47,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:47,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 08:49:47,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:47,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 08:49:47,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:47,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:47,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:47,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:47,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:47,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 08:49:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:47,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:47,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:47,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 08:49:47,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:47,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:49:47,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:47,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:47,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:47,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:47,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:47,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-13 08:49:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:47,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:47,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:47,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-13 08:49:47,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:47,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-13 08:49:47,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:47,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:49:47,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:47,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-13 08:49:47,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:47,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-13 08:49:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:47,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:47,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:47,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-13 08:49:47,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:47,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-13 08:49:47,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:47,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:49:47,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:49:47,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-13 08:49:47,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:48,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1367 backedges. 706 proven. 2 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2020-10-13 08:49:48,086 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1496417626] [2020-10-13 08:49:48,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:49:48,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:49:48,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703274414] [2020-10-13 08:49:48,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:49:48,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:49:48,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:49:48,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:49:48,088 INFO L87 Difference]: Start difference. First operand 9452 states and 10836 transitions. Second operand 7 states. [2020-10-13 08:49:49,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:49:49,533 INFO L93 Difference]: Finished difference Result 15974 states and 18277 transitions. [2020-10-13 08:49:49,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 08:49:49,534 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 693 [2020-10-13 08:49:49,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:49:49,553 INFO L225 Difference]: With dead ends: 15974 [2020-10-13 08:49:49,553 INFO L226 Difference]: Without dead ends: 10186 [2020-10-13 08:49:49,562 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:49:49,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10186 states. [2020-10-13 08:49:49,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10186 to 9818. [2020-10-13 08:49:49,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9818 states. [2020-10-13 08:49:49,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9818 states to 9818 states and 11264 transitions. [2020-10-13 08:49:49,741 INFO L78 Accepts]: Start accepts. Automaton has 9818 states and 11264 transitions. Word has length 693 [2020-10-13 08:49:49,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:49:49,742 INFO L479 AbstractCegarLoop]: Abstraction has 9818 states and 11264 transitions. [2020-10-13 08:49:49,742 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:49:49,742 INFO L276 IsEmpty]: Start isEmpty. Operand 9818 states and 11264 transitions. [2020-10-13 08:49:49,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 716 [2020-10-13 08:49:49,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:49,754 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:49:49,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-13 08:49:49,755 INFO L427 AbstractCegarLoop]: === Iteration 25 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:49,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:49,755 INFO L82 PathProgramCache]: Analyzing trace with hash -2045215110, now seen corresponding path program 1 times [2020-10-13 08:49:49,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:49,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1076345501] [2020-10-13 08:49:49,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:50,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:50,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:50,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:51,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:55,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:55,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 735 [2020-10-13 08:49:55,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:49:55,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4904 [2020-10-13 08:49:55,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:55,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:49:55,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 568 [2020-10-13 08:49:55,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-13 08:49:55,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:55,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:49:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:55,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:55,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:55,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:49:55,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:55,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:49:55,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:55,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:55,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:55,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:55,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:55,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:49:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:55,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:55,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:55,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:49:55,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:55,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:49:55,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:55,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:55,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:55,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:55,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:55,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:49:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:55,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:55,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:55,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 08:49:55,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:55,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 08:49:55,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:55,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:55,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:55,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:55,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:55,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 08:49:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:55,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:55,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:55,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 08:49:55,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:55,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 08:49:55,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:55,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:55,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:55,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:55,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:55,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-13 08:49:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:55,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:55,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:55,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 08:49:55,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:55,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 08:49:55,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:55,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:55,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:55,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:55,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:55,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-13 08:49:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:55,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:55,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:55,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-13 08:49:55,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:55,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-13 08:49:55,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:55,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:49:55,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:55,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-13 08:49:55,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:55,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2020-10-13 08:49:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:55,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:55,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:55,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-13 08:49:55,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:55,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-13 08:49:55,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:55,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:49:55,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:49:55,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-13 08:49:55,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:55,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1780 backedges. 797 proven. 2 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked. [2020-10-13 08:49:55,784 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1076345501] [2020-10-13 08:49:55,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:49:55,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:49:55,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267683180] [2020-10-13 08:49:55,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:49:55,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:49:55,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:49:55,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:49:55,785 INFO L87 Difference]: Start difference. First operand 9818 states and 11264 transitions. Second operand 7 states. [2020-10-13 08:49:57,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:49:57,426 INFO L93 Difference]: Finished difference Result 20534 states and 23509 transitions. [2020-10-13 08:49:57,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 08:49:57,427 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 715 [2020-10-13 08:49:57,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:49:57,442 INFO L225 Difference]: With dead ends: 20534 [2020-10-13 08:49:57,443 INFO L226 Difference]: Without dead ends: 10906 [2020-10-13 08:49:57,454 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:49:57,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10906 states. [2020-10-13 08:49:57,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10906 to 10904. [2020-10-13 08:49:57,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10904 states. [2020-10-13 08:49:57,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10904 states to 10904 states and 12271 transitions. [2020-10-13 08:49:57,625 INFO L78 Accepts]: Start accepts. Automaton has 10904 states and 12271 transitions. Word has length 715 [2020-10-13 08:49:57,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:49:57,625 INFO L479 AbstractCegarLoop]: Abstraction has 10904 states and 12271 transitions. [2020-10-13 08:49:57,625 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:49:57,625 INFO L276 IsEmpty]: Start isEmpty. Operand 10904 states and 12271 transitions. [2020-10-13 08:49:57,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 770 [2020-10-13 08:49:57,635 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:57,636 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:49:57,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-13 08:49:57,636 INFO L427 AbstractCegarLoop]: === Iteration 26 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:57,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:57,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1837645374, now seen corresponding path program 1 times [2020-10-13 08:49:57,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:57,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1840433233] [2020-10-13 08:49:57,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:57,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:58,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:59,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:00,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:00,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 789 [2020-10-13 08:50:00,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:50:00,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2964 [2020-10-13 08:50:00,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:00,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:50:00,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-13 08:50:00,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-13 08:50:00,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:00,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:50:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:00,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:00,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:00,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:50:00,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:00,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:50:00,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:00,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:00,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:00,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:00,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:00,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:50:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:00,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:00,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:00,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:50:00,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:00,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:50:00,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:00,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:00,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:00,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:00,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:00,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:50:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:00,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:00,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:00,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 08:50:00,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:00,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:50:00,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:00,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:00,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:00,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:00,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:00,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 08:50:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:00,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:00,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:00,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 08:50:00,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:00,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:50:00,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:00,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:00,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:00,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:00,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:00,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-13 08:50:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:00,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:01,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:01,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-13 08:50:01,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:01,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-13 08:50:01,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:01,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:50:01,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:01,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-13 08:50:01,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:01,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-13 08:50:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:01,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:01,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:01,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 08:50:01,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:01,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 08:50:01,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:01,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:50:01,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:50:01,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 08:50:01,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:01,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-13 08:50:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:01,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:01,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:01,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-13 08:50:01,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:01,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 08:50:01,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:01,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:01,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 145 [2020-10-13 08:50:01,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:01,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:01,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1791 backedges. 587 proven. 75 refuted. 0 times theorem prover too weak. 1129 trivial. 0 not checked. [2020-10-13 08:50:01,412 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1840433233] [2020-10-13 08:50:01,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:50:01,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:50:01,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840358499] [2020-10-13 08:50:01,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:50:01,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:50:01,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:50:01,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:50:01,414 INFO L87 Difference]: Start difference. First operand 10904 states and 12271 transitions. Second operand 7 states. [2020-10-13 08:50:02,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:50:02,848 INFO L93 Difference]: Finished difference Result 21634 states and 24359 transitions. [2020-10-13 08:50:02,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 08:50:02,849 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 769 [2020-10-13 08:50:02,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:50:02,864 INFO L225 Difference]: With dead ends: 21634 [2020-10-13 08:50:02,864 INFO L226 Difference]: Without dead ends: 10920 [2020-10-13 08:50:02,876 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:50:02,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10920 states. [2020-10-13 08:50:03,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10920 to 10918. [2020-10-13 08:50:03,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10918 states. [2020-10-13 08:50:03,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10918 states to 10918 states and 12125 transitions. [2020-10-13 08:50:03,020 INFO L78 Accepts]: Start accepts. Automaton has 10918 states and 12125 transitions. Word has length 769 [2020-10-13 08:50:03,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:50:03,020 INFO L479 AbstractCegarLoop]: Abstraction has 10918 states and 12125 transitions. [2020-10-13 08:50:03,020 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:50:03,021 INFO L276 IsEmpty]: Start isEmpty. Operand 10918 states and 12125 transitions. [2020-10-13 08:50:03,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 788 [2020-10-13 08:50:03,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:50:03,031 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:50:03,031 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-13 08:50:03,031 INFO L427 AbstractCegarLoop]: === Iteration 27 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:50:03,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:50:03,032 INFO L82 PathProgramCache]: Analyzing trace with hash -2130924294, now seen corresponding path program 1 times [2020-10-13 08:50:03,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:50:03,032 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1751712794] [2020-10-13 08:50:03,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:50:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:03,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:03,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:04,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:05,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:08,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:08,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 807 [2020-10-13 08:50:08,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:50:08,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-13 08:50:08,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:08,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 08:50:08,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 350 [2020-10-13 08:50:08,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-10-13 08:50:08,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:08,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:50:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:08,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:08,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:08,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:50:08,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:08,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:50:08,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:08,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:08,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:08,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:08,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:08,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:50:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:08,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:08,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:08,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:50:08,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:08,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:50:08,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:08,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:08,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:08,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:08,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:08,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:50:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:08,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:08,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:08,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 08:50:08,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:08,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 08:50:08,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:08,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:08,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:08,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:08,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:08,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 08:50:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:08,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:08,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:08,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 08:50:08,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:08,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 08:50:08,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:08,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:50:08,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:08,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-13 08:50:08,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:08,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-13 08:50:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:08,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:08,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:08,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:08,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-13 08:50:08,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:50:08,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 344 [2020-10-13 08:50:08,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:08,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:50:08,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:50:08,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-13 08:50:08,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:08,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-10-13 08:50:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:08,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:08,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:08,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 08:50:08,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:08,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 08:50:08,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:08,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:08,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-13 08:50:08,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:08,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:08,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2020-10-13 08:50:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:08,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:08,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:08,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-13 08:50:08,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:08,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 08:50:08,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:08,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:08,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 145 [2020-10-13 08:50:08,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:08,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:09,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1791 backedges. 625 proven. 219 refuted. 0 times theorem prover too weak. 947 trivial. 0 not checked. [2020-10-13 08:50:09,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1751712794] [2020-10-13 08:50:09,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:50:09,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:50:09,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362637666] [2020-10-13 08:50:09,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:50:09,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:50:09,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:50:09,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:50:09,356 INFO L87 Difference]: Start difference. First operand 10918 states and 12125 transitions. Second operand 8 states. [2020-10-13 08:50:11,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:50:11,426 INFO L93 Difference]: Finished difference Result 21832 states and 24263 transitions. [2020-10-13 08:50:11,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 08:50:11,427 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 787 [2020-10-13 08:50:11,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:50:11,443 INFO L225 Difference]: With dead ends: 21832 [2020-10-13 08:50:11,443 INFO L226 Difference]: Without dead ends: 11104 [2020-10-13 08:50:11,454 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-13 08:50:11,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11104 states. [2020-10-13 08:50:11,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11104 to 11100. [2020-10-13 08:50:11,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11100 states. [2020-10-13 08:50:11,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11100 states to 11100 states and 12297 transitions. [2020-10-13 08:50:11,602 INFO L78 Accepts]: Start accepts. Automaton has 11100 states and 12297 transitions. Word has length 787 [2020-10-13 08:50:11,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:50:11,603 INFO L479 AbstractCegarLoop]: Abstraction has 11100 states and 12297 transitions. [2020-10-13 08:50:11,603 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:50:11,603 INFO L276 IsEmpty]: Start isEmpty. Operand 11100 states and 12297 transitions. [2020-10-13 08:50:11,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 869 [2020-10-13 08:50:11,618 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:50:11,618 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, 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, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:50:11,618 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-13 08:50:11,619 INFO L427 AbstractCegarLoop]: === Iteration 28 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:50:11,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:50:11,619 INFO L82 PathProgramCache]: Analyzing trace with hash -430686639, now seen corresponding path program 1 times [2020-10-13 08:50:11,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:50:11,619 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1559661433] [2020-10-13 08:50:11,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:50:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:11,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:12,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:13,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:13,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 890 [2020-10-13 08:50:13,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:50:13,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2020 [2020-10-13 08:50:13,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:13,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:50:13,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-13 08:50:13,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-10-13 08:50:13,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:13,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:50:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:13,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:13,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:13,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:50:13,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:13,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:50:13,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:13,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:13,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:13,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:13,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:13,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:50:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:13,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:13,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:13,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:50:13,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:13,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 08:50:13,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:13,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:13,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:13,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:13,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:13,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:50:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:13,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:13,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:13,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 08:50:13,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:13,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 08:50:13,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:13,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:13,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:13,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:13,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:13,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 08:50:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:13,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:13,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:13,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 08:50:13,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:13,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 08:50:13,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:13,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:13,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:13,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:13,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:14,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-13 08:50:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:14,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:14,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:14,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 08:50:14,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:14,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 08:50:14,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:14,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:14,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:14,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:14,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:14,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-13 08:50:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:14,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:14,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:14,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-13 08:50:14,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:14,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 08:50:14,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:14,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:14,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:14,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:14,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:14,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-13 08:50:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:14,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:14,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:14,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 08:50:14,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:14,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 08:50:14,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:14,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:50:14,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:14,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-13 08:50:14,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:14,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-13 08:50:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:14,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:14,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:14,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-13 08:50:14,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:14,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-13 08:50:14,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:14,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 08:50:14,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:50:14,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-13 08:50:14,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:14,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2316 backedges. 922 proven. 35 refuted. 0 times theorem prover too weak. 1359 trivial. 0 not checked. [2020-10-13 08:50:14,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1559661433] [2020-10-13 08:50:14,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:50:14,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:50:14,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446013699] [2020-10-13 08:50:14,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:50:14,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:50:14,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:50:14,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:50:14,907 INFO L87 Difference]: Start difference. First operand 11100 states and 12297 transitions. Second operand 8 states. [2020-10-13 08:50:16,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:50:16,664 INFO L93 Difference]: Finished difference Result 18205 states and 20169 transitions. [2020-10-13 08:50:16,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 08:50:16,665 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 868 [2020-10-13 08:50:16,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:50:16,679 INFO L225 Difference]: With dead ends: 18205 [2020-10-13 08:50:16,679 INFO L226 Difference]: Without dead ends: 11470 [2020-10-13 08:50:16,688 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:50:16,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11470 states. [2020-10-13 08:50:16,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11470 to 11100. [2020-10-13 08:50:16,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11100 states. [2020-10-13 08:50:16,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11100 states to 11100 states and 12292 transitions. [2020-10-13 08:50:16,849 INFO L78 Accepts]: Start accepts. Automaton has 11100 states and 12292 transitions. Word has length 868 [2020-10-13 08:50:16,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:50:16,851 INFO L479 AbstractCegarLoop]: Abstraction has 11100 states and 12292 transitions. [2020-10-13 08:50:16,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:50:16,851 INFO L276 IsEmpty]: Start isEmpty. Operand 11100 states and 12292 transitions. [2020-10-13 08:50:16,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 870 [2020-10-13 08:50:16,873 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:50:16,873 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, 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, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:50:16,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-13 08:50:16,874 INFO L427 AbstractCegarLoop]: === Iteration 29 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:50:16,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:50:16,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1496831554, now seen corresponding path program 1 times [2020-10-13 08:50:16,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:50:16,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1387781024] [2020-10-13 08:50:16,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:50:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:17,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:18,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:18,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:18,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 891 [2020-10-13 08:50:18,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:50:18,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1807 [2020-10-13 08:50:18,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:18,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:50:18,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-13 08:50:18,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 186 [2020-10-13 08:50:18,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:18,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:50:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:18,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:18,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:18,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:50:18,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:18,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:50:18,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:18,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:18,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:18,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:18,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:18,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:50:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:18,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:18,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:18,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:50:18,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:18,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 08:50:18,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:18,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:18,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:18,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:18,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:18,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:50:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:18,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:19,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:19,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 08:50:19,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:19,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:50:19,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:19,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:19,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:19,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:19,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:19,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 08:50:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:19,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:19,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:19,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 08:50:19,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:19,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 08:50:19,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:19,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:19,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:19,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:19,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:19,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-13 08:50:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:19,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:19,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:19,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 08:50:19,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:19,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 08:50:19,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:19,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:19,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:19,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:19,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:19,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-13 08:50:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:19,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:19,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:19,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-13 08:50:19,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:19,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 08:50:19,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:19,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:19,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:19,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:19,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:19,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-13 08:50:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:19,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:19,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:19,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 08:50:19,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:19,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 08:50:19,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:19,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:50:19,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:19,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-13 08:50:19,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:19,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-13 08:50:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:19,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:19,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:19,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-13 08:50:19,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:19,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-10-13 08:50:19,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:19,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 08:50:19,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:50:19,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-13 08:50:19,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:19,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2317 backedges. 923 proven. 35 refuted. 0 times theorem prover too weak. 1359 trivial. 0 not checked. [2020-10-13 08:50:19,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1387781024] [2020-10-13 08:50:19,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:50:19,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:50:19,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489778920] [2020-10-13 08:50:19,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:50:19,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:50:19,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:50:19,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:50:19,989 INFO L87 Difference]: Start difference. First operand 11100 states and 12292 transitions. Second operand 8 states. [2020-10-13 08:50:21,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:50:21,758 INFO L93 Difference]: Finished difference Result 18019 states and 19950 transitions. [2020-10-13 08:50:21,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 08:50:21,759 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 869 [2020-10-13 08:50:21,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:50:21,760 INFO L225 Difference]: With dead ends: 18019 [2020-10-13 08:50:21,760 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:50:21,776 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:50:21,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:50:21,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:50:21,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:50:21,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:50:21,777 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 869 [2020-10-13 08:50:21,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:50:21,777 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:50:21,778 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:50:21,778 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:50:21,778 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:50:21,778 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-13 08:50:21,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:50:24,132 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 502 DAG size of output: 476 [2020-10-13 08:50:24,834 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 465 [2020-10-13 08:50:28,237 WARN L193 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 560 DAG size of output: 109 [2020-10-13 08:50:31,371 WARN L193 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 484 DAG size of output: 74 [2020-10-13 08:50:34,581 WARN L193 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 474 DAG size of output: 74 [2020-10-13 08:50:34,586 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:50:34,586 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)|)) [2020-10-13 08:50:34,586 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:50:34,587 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-13 08:50:34,587 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-13 08:50:34,587 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,587 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,587 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,587 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-13 08:50:34,587 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-13 08:50:34,587 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-13 08:50:34,588 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-13 08:50:34,588 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-13 08:50:34,588 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-13 08:50:34,588 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-13 08:50:34,588 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-13 08:50:34,588 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,588 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,588 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,589 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-13 08:50:34,589 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-13 08:50:34,589 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-13 08:50:34,589 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-13 08:50:34,589 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-13 08:50:34,589 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-13 08:50:34,589 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-13 08:50:34,589 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-13 08:50:34,589 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,589 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,589 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,589 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-13 08:50:34,589 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 08:50:34,590 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-13 08:50:34,590 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-13 08:50:34,590 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-13 08:50:34,590 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-13 08:50:34,590 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-13 08:50:34,590 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-13 08:50:34,590 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-13 08:50:34,590 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,590 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,591 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,591 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-13 08:50:34,591 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-13 08:50:34,591 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-13 08:50:34,591 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-13 08:50:34,591 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-13 08:50:34,591 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-13 08:50:34,591 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-13 08:50:34,591 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,591 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,592 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,592 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-13 08:50:34,592 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-13 08:50:34,592 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-13 08:50:34,592 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-13 08:50:34,592 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-13 08:50:34,592 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-13 08:50:34,592 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-13 08:50:34,592 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-13 08:50:34,593 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-13 08:50:34,593 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,593 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,593 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,593 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,593 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-13 08:50:34,593 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 08:50:34,593 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 08:50:34,593 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-13 08:50:34,593 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-13 08:50:34,593 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-13 08:50:34,593 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-13 08:50:34,594 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-13 08:50:34,594 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,594 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,594 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,594 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-13 08:50:34,594 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-13 08:50:34,594 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-13 08:50:34,594 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-13 08:50:34,594 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-13 08:50:34,594 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-13 08:50:34,594 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-13 08:50:34,595 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-13 08:50:34,595 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,595 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,595 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,595 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-13 08:50:34,595 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-13 08:50:34,595 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-13 08:50:34,595 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-13 08:50:34,595 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-13 08:50:34,595 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-13 08:50:34,595 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse18 (<= 82 ~a12~0)) (.cse10 (= 5 ~a15~0)) (.cse19 (not (= ~a15~0 8))) (.cse15 (= ~a24~0 |old(~a24~0)|)) (.cse16 (= ~a21~0 |old(~a21~0)|)) (.cse20 (<= ~a15~0 8)) (.cse11 (= ~a12~0 |old(~a12~0)|)) (.cse21 (<= ~a21~0 9)) (.cse17 (= ~a15~0 |old(~a15~0)|)) (.cse5 (not (<= 9 |old(~a21~0)|))) (.cse4 (= 8 |old(~a15~0)|)) (.cse12 (= 5 |old(~a15~0)|)) (.cse13 (not (<= |old(~a15~0)| 8))) (.cse3 (not (<= 82 |old(~a12~0)|)))) (let ((.cse7 (let ((.cse22 (not (<= |old(~a21~0)| 9)))) (and (or .cse4 .cse22 .cse13 .cse5 .cse3) (or .cse4 .cse22 .cse12 .cse13 .cse3)))) (.cse8 (and .cse18 (not .cse10) .cse19 .cse15 .cse16 .cse20 .cse11 .cse21 .cse17)) (.cse9 (and .cse18 (<= 9 ~a21~0) .cse15 .cse19 .cse16 .cse20 .cse11 .cse21 .cse17)) (.cse6 (not (<= |old(~a12~0)| 599997))) (.cse14 (not (<= |old(~a21~0)| 7))) (.cse0 (not (<= 1 |old(~a24~0)|))) (.cse1 (not (<= |old(~a24~0)| 1))) (.cse2 (and .cse15 .cse16 .cse11 .cse17))) (and (or (not (<= 8 |old(~a21~0)|)) .cse0 .cse1 .cse2 (not (<= |old(~a12~0)| 73282))) (or (not (<= 9 |old(~a15~0)|)) .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse3) (or .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse1 .cse7 .cse8 .cse9 (not (<= 7 |old(~a15~0)|))) (or (not (= 7 |old(~a21~0)|)) (not (= |old(~a24~0)| 1)) (not (<= 58 |old(~a12~0)|)) (and .cse10 (= ~a24~0 1) .cse11 (= 7 ~a21~0)) (not (<= |old(~a12~0)| 68)) (not .cse12)) (or .cse6 (not (<= 10 |old(~a21~0)|)) .cse2) (or .cse12 .cse2 .cse13 .cse14) (or (and (or (not (= 2 |old(~a24~0)|)) .cse13 .cse14) (or .cse14 .cse3)) .cse2) (or .cse0 .cse1 .cse2 .cse13 (not (<= |old(~a12~0)| 11)))))) [2020-10-13 08:50:34,596 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-13 08:50:34,596 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-13 08:50:34,596 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,596 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,596 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,596 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 08:50:34,596 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 08:50:34,596 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-13 08:50:34,596 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-13 08:50:34,596 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-13 08:50:34,596 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-13 08:50:34,596 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-13 08:50:34,596 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-13 08:50:34,596 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,597 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,597 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,597 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-13 08:50:34,597 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-13 08:50:34,597 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-13 08:50:34,597 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 08:50:34,597 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-13 08:50:34,597 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-13 08:50:34,597 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-13 08:50:34,597 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-13 08:50:34,597 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,597 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,597 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,597 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-13 08:50:34,597 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-13 08:50:34,598 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-13 08:50:34,598 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-13 08:50:34,598 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-13 08:50:34,598 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-13 08:50:34,598 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-13 08:50:34,598 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-13 08:50:34,598 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,598 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,598 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,598 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-13 08:50:34,598 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 08:50:34,598 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-13 08:50:34,598 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-13 08:50:34,598 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-13 08:50:34,599 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-13 08:50:34,599 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-13 08:50:34,599 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-13 08:50:34,599 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,599 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,599 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-13 08:50:34,599 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-13 08:50:34,599 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-13 08:50:34,599 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-13 08:50:34,599 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-13 08:50:34,599 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-13 08:50:34,599 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-13 08:50:34,599 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-13 08:50:34,600 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 139) no Hoare annotation was computed. [2020-10-13 08:50:34,600 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,600 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,600 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-13 08:50:34,600 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-13 08:50:34,600 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-13 08:50:34,600 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-13 08:50:34,600 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-13 08:50:34,600 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-13 08:50:34,600 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,600 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,600 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-13 08:50:34,600 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-13 08:50:34,600 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-13 08:50:34,600 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-13 08:50:34,601 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-13 08:50:34,601 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-13 08:50:34,601 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-13 08:50:34,601 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-13 08:50:34,601 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,601 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,601 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-13 08:50:34,601 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-13 08:50:34,601 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-13 08:50:34,601 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 08:50:34,601 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-13 08:50:34,601 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-13 08:50:34,601 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-13 08:50:34,601 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,601 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,602 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,602 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-13 08:50:34,602 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-13 08:50:34,602 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-13 08:50:34,602 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 08:50:34,602 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-13 08:50:34,602 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-13 08:50:34,602 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,602 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,602 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-13 08:50:34,602 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,602 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-13 08:50:34,602 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-13 08:50:34,602 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-13 08:50:34,602 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 08:50:34,602 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 08:50:34,603 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-13 08:50:34,603 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-13 08:50:34,603 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-13 08:50:34,603 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-13 08:50:34,603 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-13 08:50:34,603 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,603 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,603 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,603 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-13 08:50:34,603 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 08:50:34,603 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 08:50:34,603 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-13 08:50:34,603 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-13 08:50:34,603 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-13 08:50:34,603 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-13 08:50:34,603 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-13 08:50:34,604 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,604 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,604 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,604 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-13 08:50:34,604 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-13 08:50:34,604 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-13 08:50:34,604 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-13 08:50:34,604 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-13 08:50:34,604 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-13 08:50:34,604 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-13 08:50:34,604 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-13 08:50:34,604 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,604 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,604 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,604 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-13 08:50:34,604 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-13 08:50:34,605 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-13 08:50:34,605 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-13 08:50:34,605 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-13 08:50:34,605 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-13 08:50:34,605 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-13 08:50:34,605 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-13 08:50:34,605 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-13 08:50:34,605 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,605 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,605 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:34,605 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-13 08:50:34,605 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-13 08:50:34,605 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-13 08:50:34,605 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-13 08:50:34,605 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-13 08:50:34,605 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:50:34,606 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a21~0 7) (<= ~a24~0 1) (= ~a15~0 8) (<= 1 ~a24~0) (= (+ ~a12~0 49) 0)) [2020-10-13 08:50:34,606 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:50:34,606 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:50:34,606 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= (+ |old(~a12~0)| 49) 0)) (not (<= |old(~a24~0)| 1)) (not (<= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (<= |old(~a21~0)| 7)) (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|))) [2020-10-13 08:50:34,606 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-13 08:50:34,606 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (<= 82 ~a12~0)) (.cse1 (not (= ~a15~0 8))) (.cse2 (<= ~a21~0 7)) (.cse6 (not (= 5 ~a15~0))) (.cse4 (<= ~a24~0 1)) (.cse5 (<= 1 ~a24~0)) (.cse3 (<= ~a15~0 8)) (.cse7 (<= ~a12~0 599997))) (or (not (<= |old(~a24~0)| 1)) (and .cse0 (<= 9 ~a15~0)) (and .cse0 (<= 9 ~a21~0) .cse1) (not (= 8 |old(~a15~0)|)) (and .cse2 (= ~a24~0 2) .cse3) (and (<= ~a15~0 7) .cse4 (<= 7 ~a15~0) .cse5) (not (<= |old(~a21~0)| 7)) (not (= (+ |old(~a12~0)| 49) 0)) (not (<= 1 |old(~a24~0)|)) (and .cse4 (<= 8 ~a21~0) .cse5 (<= ~a12~0 73282)) (and .cse2 .cse0) (and .cse0 .cse6 .cse7 .cse1) (and .cse2 .cse6 .cse3) (and .cse4 (<= ~a12~0 11) .cse5 .cse3) (and (<= 58 ~a12~0) (= ~a24~0 1) .cse3 (<= ~a12~0 68) (= 7 ~a21~0)) (and .cse7 (<= 10 ~a21~0)))) [2020-10-13 08:50:34,606 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-13 08:50:34,607 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-13 08:50:34,607 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (<= 82 ~a12~0)) (.cse1 (not (= ~a15~0 8))) (.cse2 (<= ~a21~0 7)) (.cse6 (not (= 5 ~a15~0))) (.cse4 (<= ~a24~0 1)) (.cse5 (<= 1 ~a24~0)) (.cse3 (<= ~a15~0 8)) (.cse7 (<= ~a12~0 599997))) (or (not (<= |old(~a24~0)| 1)) (and .cse0 (<= 9 ~a15~0)) (and .cse0 (<= 9 ~a21~0) .cse1) (not (= 8 |old(~a15~0)|)) (and .cse2 (= ~a24~0 2) .cse3) (and (<= ~a15~0 7) .cse4 (<= 7 ~a15~0) .cse5) (not (<= |old(~a21~0)| 7)) (not (= (+ |old(~a12~0)| 49) 0)) (not (<= 1 |old(~a24~0)|)) (and .cse4 (<= 8 ~a21~0) .cse5 (<= ~a12~0 73282)) (and .cse2 .cse0) (and .cse0 .cse6 .cse7 .cse1) (and .cse2 .cse6 .cse3) (and .cse4 (<= ~a12~0 11) .cse5 .cse3) (and (<= 58 ~a12~0) (= ~a24~0 1) .cse3 (<= ~a12~0 68) (= 7 ~a21~0)) (and .cse7 (<= 10 ~a21~0)))) [2020-10-13 08:50:34,607 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-13 08:50:34,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:50:34 BoogieIcfgContainer [2020-10-13 08:50:34,629 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:50:34,630 INFO L168 Benchmark]: Toolchain (without parser) took 191323.63 ms. Allocated memory was 148.4 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 102.4 MB in the beginning and 906.0 MB in the end (delta: -803.6 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2020-10-13 08:50:34,631 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 148.4 MB. Free memory was 122.8 MB in the beginning and 122.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 08:50:34,631 INFO L168 Benchmark]: CACSL2BoogieTranslator took 932.03 ms. Allocated memory was 148.4 MB in the beginning and 208.1 MB in the end (delta: 59.8 MB). Free memory was 102.2 MB in the beginning and 170.3 MB in the end (delta: -68.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. [2020-10-13 08:50:34,632 INFO L168 Benchmark]: Boogie Preprocessor took 133.87 ms. Allocated memory is still 208.1 MB. Free memory was 170.3 MB in the beginning and 164.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2020-10-13 08:50:34,633 INFO L168 Benchmark]: RCFGBuilder took 1609.50 ms. Allocated memory was 208.1 MB in the beginning and 239.1 MB in the end (delta: 30.9 MB). Free memory was 164.8 MB in the beginning and 154.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 76.4 MB. Max. memory is 7.1 GB. [2020-10-13 08:50:34,633 INFO L168 Benchmark]: TraceAbstraction took 188642.73 ms. Allocated memory was 239.1 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 154.0 MB in the beginning and 906.0 MB in the end (delta: -752.0 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2020-10-13 08:50:34,635 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 148.4 MB. Free memory was 122.8 MB in the beginning and 122.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 932.03 ms. Allocated memory was 148.4 MB in the beginning and 208.1 MB in the end (delta: 59.8 MB). Free memory was 102.2 MB in the beginning and 170.3 MB in the end (delta: -68.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.87 ms. Allocated memory is still 208.1 MB. Free memory was 170.3 MB in the beginning and 164.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1609.50 ms. Allocated memory was 208.1 MB in the beginning and 239.1 MB in the end (delta: 30.9 MB). Free memory was 164.8 MB in the beginning and 154.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 76.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 188642.73 ms. Allocated memory was 239.1 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 154.0 MB in the beginning and 906.0 MB in the end (delta: -752.0 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 139]: 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) || (82 <= a12 && 9 <= a15)) || ((82 <= a12 && 9 <= a21) && !(a15 == 8))) || !(8 == \old(a15))) || ((a21 <= 7 && a24 == 2) && a15 <= 8)) || (((a15 <= 7 && a24 <= 1) && 7 <= a15) && 1 <= a24)) || !(\old(a21) <= 7)) || !(\old(a12) + 49 == 0)) || !(1 <= \old(a24))) || (((a24 <= 1 && 8 <= a21) && 1 <= a24) && a12 <= 73282)) || (a21 <= 7 && 82 <= a12)) || (((82 <= a12 && !(5 == a15)) && a12 <= 599997) && !(a15 == 8))) || ((a21 <= 7 && !(5 == a15)) && a15 <= 8)) || (((a24 <= 1 && a12 <= 11) && 1 <= a24) && a15 <= 8)) || ((((58 <= a12 && a24 == 1) && a15 <= 8) && a12 <= 68) && 7 == a21)) || (a12 <= 599997 && 10 <= a21) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 175.7s, OverallIterations: 29, TraceHistogramMax: 8, AutomataDifference: 48.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 795 SDtfs, 17494 SDslu, 976 SDs, 0 SdLazy, 29675 SolverSat, 2570 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 657 GetRequests, 401 SyntacticMatches, 8 SemanticMatches, 248 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11100occurred in iteration=27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 29 MinimizatonAttempts, 6386 StatesRemovedByMinimization, 26 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 739 PreInvPairs, 891 NumberOfFragments, 820 HoareAnnotationTreeSize, 739 FomulaSimplifications, 4346352 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 229626 FormulaSimplificationTreeSizeReductionInter, 9.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 114.8s InterpolantComputationTime, 15290 NumberOfCodeBlocks, 15290 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 15261 ConstructedInterpolants, 0 QuantifiedInterpolants, 19818898 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 2 PerfectInterpolantSequences, 29401/30098 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...