/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_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:49:33,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:49:33,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:49:33,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:49:33,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:49:33,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:49:33,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:49:33,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:49:33,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:49:33,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:49:33,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:49:33,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:49:33,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:49:33,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:49:33,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:49:33,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:49:33,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:49:33,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:49:33,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:49:33,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:49:33,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:49:33,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:49:33,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:49:33,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:49:33,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:49:33,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:49:33,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:49:33,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:49:33,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:49:33,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:49:33,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:49:33,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:49:33,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:49:33,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:49:33,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:49:33,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:49:33,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:49:33,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:49:33,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:49:33,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:49:33,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:49:33,999 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 08:49:34,043 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:49:34,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:49:34,045 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:49:34,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:49:34,045 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:49:34,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:49:34,046 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:49:34,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:49:34,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:49:34,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:49:34,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:49:34,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:49:34,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:49:34,047 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:49:34,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:49:34,048 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:49:34,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:49:34,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:49:34,048 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:49:34,048 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:49:34,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:49:34,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:49:34,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:49:34,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:49:34,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:49:34,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:49:34,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:49:34,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:49:34,051 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:49:34,051 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 08:49:34,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:49:34,383 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:49:34,387 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:49:34,390 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:49:34,392 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:49:34,393 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label23.c [2020-10-13 08:49:34,464 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/058aa4aca/4b97335fe9a3460aa91031dc596a75a8/FLAG6a1e2697e [2020-10-13 08:49:35,084 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:49:35,086 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label23.c [2020-10-13 08:49:35,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/058aa4aca/4b97335fe9a3460aa91031dc596a75a8/FLAG6a1e2697e [2020-10-13 08:49:35,340 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/058aa4aca/4b97335fe9a3460aa91031dc596a75a8 [2020-10-13 08:49:35,350 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:49:35,352 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:49:35,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:49:35,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:49:35,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:49:35,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:49:35" (1/1) ... [2020-10-13 08:49:35,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1487e564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:49:35, skipping insertion in model container [2020-10-13 08:49:35,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:49:35" (1/1) ... [2020-10-13 08:49:35,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:49:35,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:49:36,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:49:36,046 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:49:36,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:49:36,292 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:49:36,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:49:36 WrapperNode [2020-10-13 08:49:36,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:49:36,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:49:36,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:49:36,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:49:36,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:49:36" (1/1) ... [2020-10-13 08:49:36,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:49:36" (1/1) ... [2020-10-13 08:49:36,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:49:36" (1/1) ... [2020-10-13 08:49:36,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:49:36" (1/1) ... [2020-10-13 08:49:36,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:49:36" (1/1) ... [2020-10-13 08:49:36,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:49:36" (1/1) ... [2020-10-13 08:49:36,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:49:36" (1/1) ... [2020-10-13 08:49:36,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:49:36,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:49:36,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:49:36,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:49:36,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:49:36" (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 08:49:36,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:49:36,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:49:36,574 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:49:36,574 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:49:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:49:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:49:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:49:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:49:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:49:36,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:49:36,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:49:38,006 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:49:38,006 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:49:38,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:49:38 BoogieIcfgContainer [2020-10-13 08:49:38,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:49:38,014 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:49:38,014 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:49:38,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:49:38,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:49:35" (1/3) ... [2020-10-13 08:49:38,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67109b4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:49:38, skipping insertion in model container [2020-10-13 08:49:38,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:49:36" (2/3) ... [2020-10-13 08:49:38,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67109b4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:49:38, skipping insertion in model container [2020-10-13 08:49:38,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:49:38" (3/3) ... [2020-10-13 08:49:38,021 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label23.c [2020-10-13 08:49:38,032 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:49:38,039 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:49:38,053 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:49:38,079 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:49:38,079 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:49:38,079 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:49:38,080 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:49:38,080 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:49:38,080 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:49:38,080 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:49:38,080 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:49:38,104 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-13 08:49:38,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-13 08:49:38,112 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:38,113 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:49:38,114 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:38,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:38,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1582887541, now seen corresponding path program 1 times [2020-10-13 08:49:38,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:38,129 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1423040261] [2020-10-13 08:49:38,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:38,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:38,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:38,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 08:49:38,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:38,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 383 [2020-10-13 08:49:38,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:38,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:49:38,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:49:38,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-13 08:49:38,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 08:49:38,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:49:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:38,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:38,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:38,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:49:38,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:38,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 08:49:38,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:38,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:49:38,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:38,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:49:38,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:49:38,801 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 08:49:38,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1423040261] [2020-10-13 08:49:38,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:49:38,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 08:49:38,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225435712] [2020-10-13 08:49:38,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 08:49:38,811 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:49:38,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 08:49:38,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 08:49:38,831 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2020-10-13 08:49:40,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:49:40,627 INFO L93 Difference]: Finished difference Result 698 states and 1238 transitions. [2020-10-13 08:49:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:49:40,629 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2020-10-13 08:49:40,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:49:40,647 INFO L225 Difference]: With dead ends: 698 [2020-10-13 08:49:40,647 INFO L226 Difference]: Without dead ends: 380 [2020-10-13 08:49:40,655 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:49:40,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-13 08:49:40,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2020-10-13 08:49:40,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-13 08:49:40,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 539 transitions. [2020-10-13 08:49:40,730 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 539 transitions. Word has length 38 [2020-10-13 08:49:40,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:49:40,731 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 539 transitions. [2020-10-13 08:49:40,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 08:49:40,731 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 539 transitions. [2020-10-13 08:49:40,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-13 08:49:40,736 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:40,737 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:49:40,737 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:49:40,737 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:40,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:40,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1641808462, now seen corresponding path program 1 times [2020-10-13 08:49:40,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:40,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1545030436] [2020-10-13 08:49:40,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:40,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:41,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:41,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:41,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:41,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 08:49:41,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:49:41,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 788 [2020-10-13 08:49:41,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:41,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:49:41,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-13 08:49:41,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-13 08:49:41,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:49:41,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:49:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:41,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:41,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:41,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:49:41,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:41,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:49:41,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:41,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:41,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:41,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:41,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:49:41,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:49:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:41,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:41,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:41,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:49:41,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:41,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-13 08:49:41,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:41,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:49:41,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:41,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-13 08:49:41,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:41,831 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:49:41,831 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1545030436] [2020-10-13 08:49:41,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:49:41,832 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:49:41,832 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232199139] [2020-10-13 08:49:41,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:49:41,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:49:41,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:49:41,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:49:41,835 INFO L87 Difference]: Start difference. First operand 376 states and 539 transitions. Second operand 5 states. [2020-10-13 08:49:42,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:49:42,960 INFO L93 Difference]: Finished difference Result 783 states and 1116 transitions. [2020-10-13 08:49:42,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:49:42,962 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2020-10-13 08:49:42,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:49:42,969 INFO L225 Difference]: With dead ends: 783 [2020-10-13 08:49:42,969 INFO L226 Difference]: Without dead ends: 380 [2020-10-13 08:49:42,971 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 08:49:42,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-13 08:49:43,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2020-10-13 08:49:43,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-13 08:49:43,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 452 transitions. [2020-10-13 08:49:43,020 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 452 transitions. Word has length 108 [2020-10-13 08:49:43,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:49:43,021 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 452 transitions. [2020-10-13 08:49:43,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:49:43,024 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 452 transitions. [2020-10-13 08:49:43,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-13 08:49:43,026 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:43,027 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:49:43,027 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:49:43,028 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:43,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:43,028 INFO L82 PathProgramCache]: Analyzing trace with hash 719970305, now seen corresponding path program 1 times [2020-10-13 08:49:43,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:43,030 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [971600491] [2020-10-13 08:49:43,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:43,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:43,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:43,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:44,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:44,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-13 08:49:44,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:49:44,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1107 [2020-10-13 08:49:44,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:44,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:49:44,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-13 08:49:44,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 08:49:44,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:49:44,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:49:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:44,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:44,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:44,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:49:44,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:44,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:49:44,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:44,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:44,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:44,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:44,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:44,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:49:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:44,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:44,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:44,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 08:49:44,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:44,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-13 08:49:44,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:44,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:49:44,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:44,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 08:49:44,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:49:44,409 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:49:44,410 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [971600491] [2020-10-13 08:49:44,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:49:44,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:49:44,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727470553] [2020-10-13 08:49:44,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:49:44,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:49:44,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:49:44,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:49:44,412 INFO L87 Difference]: Start difference. First operand 376 states and 452 transitions. Second operand 5 states. [2020-10-13 08:49:45,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:49:45,559 INFO L93 Difference]: Finished difference Result 934 states and 1154 transitions. [2020-10-13 08:49:45,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:49:45,559 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 117 [2020-10-13 08:49:45,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:49:45,563 INFO L225 Difference]: With dead ends: 934 [2020-10-13 08:49:45,564 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:49:45,565 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:49:45,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:49:45,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:49:45,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:49:45,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 669 transitions. [2020-10-13 08:49:45,584 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 669 transitions. Word has length 117 [2020-10-13 08:49:45,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:49:45,584 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 669 transitions. [2020-10-13 08:49:45,585 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:49:45,585 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 669 transitions. [2020-10-13 08:49:45,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-13 08:49:45,587 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:45,587 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:49:45,588 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:49:45,588 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:45,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:45,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1098649298, now seen corresponding path program 1 times [2020-10-13 08:49:45,589 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:45,589 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [216365626] [2020-10-13 08:49:45,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:45,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:45,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:46,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:46,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-13 08:49:46,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:49:46,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 599 [2020-10-13 08:49:46,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:46,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:49:46,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-13 08:49:46,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 08:49:46,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:46,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:49:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:46,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:46,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:46,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:49:46,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:46,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:49:46,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:46,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:46,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:46,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:46,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 25 [2020-10-13 08:49:46,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:49:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:46,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:46,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:46,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 08:49:46,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:46,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-13 08:49:46,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:46,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:49:46,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:46,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-13 08:49:46,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:46,444 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:49:46,444 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [216365626] [2020-10-13 08:49:46,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:49:46,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:49:46,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50343071] [2020-10-13 08:49:46,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:49:46,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:49:46,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:49:46,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:49:46,447 INFO L87 Difference]: Start difference. First operand 560 states and 669 transitions. Second operand 5 states. [2020-10-13 08:49:47,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:49:47,632 INFO L93 Difference]: Finished difference Result 1670 states and 2012 transitions. [2020-10-13 08:49:47,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:49:47,633 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2020-10-13 08:49:47,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:49:47,643 INFO L225 Difference]: With dead ends: 1670 [2020-10-13 08:49:47,643 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:49:47,645 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 08:49:47,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:49:47,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:49:47,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:49:47,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 650 transitions. [2020-10-13 08:49:47,674 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 650 transitions. Word has length 124 [2020-10-13 08:49:47,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:49:47,676 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 650 transitions. [2020-10-13 08:49:47,676 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:49:47,676 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 650 transitions. [2020-10-13 08:49:47,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-13 08:49:47,683 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:47,684 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:49:47,684 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:49:47,684 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:47,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:47,685 INFO L82 PathProgramCache]: Analyzing trace with hash -362272610, now seen corresponding path program 1 times [2020-10-13 08:49:47,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:47,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [474840456] [2020-10-13 08:49:47,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:47,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:47,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:48,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:48,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:48,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-13 08:49:48,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:49:48,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 541 [2020-10-13 08:49:48,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:48,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:49:48,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 08:49:48,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-13 08:49:48,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:49:48,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:49:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:48,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:48,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:48,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:49:48,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:48,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:49:48,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:48,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:48,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:48,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:48,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:49:48,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:49:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:48,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:48,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:48,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:49:48,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:48,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 08:49:48,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:48,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:49:48,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:48,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-13 08:49:48,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:48,475 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:49:48,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [474840456] [2020-10-13 08:49:48,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:49:48,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:49:48,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285624320] [2020-10-13 08:49:48,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:49:48,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:49:48,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:49:48,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:49:48,478 INFO L87 Difference]: Start difference. First operand 560 states and 650 transitions. Second operand 5 states. [2020-10-13 08:49:49,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:49:49,265 INFO L93 Difference]: Finished difference Result 1143 states and 1333 transitions. [2020-10-13 08:49:49,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:49:49,266 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2020-10-13 08:49:49,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:49:49,270 INFO L225 Difference]: With dead ends: 1143 [2020-10-13 08:49:49,271 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:49:49,273 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 08:49:49,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:49:49,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:49:49,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:49:49,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 648 transitions. [2020-10-13 08:49:49,292 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 648 transitions. Word has length 132 [2020-10-13 08:49:49,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:49:49,293 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 648 transitions. [2020-10-13 08:49:49,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:49:49,293 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 648 transitions. [2020-10-13 08:49:49,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-13 08:49:49,295 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:49,295 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:49:49,295 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:49:49,296 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:49,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:49,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1311918567, now seen corresponding path program 1 times [2020-10-13 08:49:49,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:49,297 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [347665653] [2020-10-13 08:49:49,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:49,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:49,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:49,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:49,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:49,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-13 08:49:49,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:49:49,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 551 [2020-10-13 08:49:49,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:49,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:49:49,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-13 08:49:49,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 08:49:49,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:49,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:49:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:49,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:49,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:49,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:49:49,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:49,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:49:49,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:49,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:49,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:49,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:49,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:49,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:49:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:50,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:50,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:50,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-13 08:49:50,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:50,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-13 08:49:50,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:50,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:49:50,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:50,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-13 08:49:50,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:49:50,191 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:49:50,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [347665653] [2020-10-13 08:49:50,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:49:50,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:49:50,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586901395] [2020-10-13 08:49:50,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:49:50,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:49:50,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:49:50,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:49:50,195 INFO L87 Difference]: Start difference. First operand 560 states and 648 transitions. Second operand 5 states. [2020-10-13 08:49:50,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:49:50,978 INFO L93 Difference]: Finished difference Result 1141 states and 1327 transitions. [2020-10-13 08:49:50,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:49:50,982 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2020-10-13 08:49:50,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:49:50,986 INFO L225 Difference]: With dead ends: 1141 [2020-10-13 08:49:50,986 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:49:50,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 2 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 08:49:50,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:49:51,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:49:51,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:49:51,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 646 transitions. [2020-10-13 08:49:51,004 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 646 transitions. Word has length 137 [2020-10-13 08:49:51,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:49:51,004 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 646 transitions. [2020-10-13 08:49:51,004 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:49:51,004 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 646 transitions. [2020-10-13 08:49:51,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-13 08:49:51,006 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:51,006 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:49:51,006 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:49:51,007 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:51,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:51,007 INFO L82 PathProgramCache]: Analyzing trace with hash -374887958, now seen corresponding path program 1 times [2020-10-13 08:49:51,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:51,008 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2049397620] [2020-10-13 08:49:51,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:51,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:51,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:51,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:51,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:51,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-13 08:49:51,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:49:51,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 713 [2020-10-13 08:49:51,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:51,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:49:51,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-13 08:49:51,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 08:49:51,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:51,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:49:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:51,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:51,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:51,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:49:51,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:51,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:49:51,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:51,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:51,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:51,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:51,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:51,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:49:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:51,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:51,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:51,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-13 08:49:51,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:51,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-13 08:49:51,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:51,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:49:51,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:51,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-13 08:49:51,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:49:52,005 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:49:52,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2049397620] [2020-10-13 08:49:52,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:49:52,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:49:52,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176754833] [2020-10-13 08:49:52,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:49:52,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:49:52,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:49:52,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:49:52,008 INFO L87 Difference]: Start difference. First operand 560 states and 646 transitions. Second operand 5 states. [2020-10-13 08:49:52,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:49:52,848 INFO L93 Difference]: Finished difference Result 1144 states and 1326 transitions. [2020-10-13 08:49:52,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:49:52,852 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-10-13 08:49:52,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:49:52,856 INFO L225 Difference]: With dead ends: 1144 [2020-10-13 08:49:52,857 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:49:52,859 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 08:49:52,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:49:52,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:49:52,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:49:52,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 644 transitions. [2020-10-13 08:49:52,875 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 644 transitions. Word has length 142 [2020-10-13 08:49:52,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:49:52,876 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 644 transitions. [2020-10-13 08:49:52,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:49:52,876 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 644 transitions. [2020-10-13 08:49:52,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-13 08:49:52,878 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:52,878 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:49:52,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:49:52,878 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:52,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:52,879 INFO L82 PathProgramCache]: Analyzing trace with hash 970004350, now seen corresponding path program 1 times [2020-10-13 08:49:52,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:52,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1405980801] [2020-10-13 08:49:52,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:52,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:52,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:53,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:53,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-13 08:49:53,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:49:53,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 475 [2020-10-13 08:49:53,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:53,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:49:53,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-13 08:49:53,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 08:49:53,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:53,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:49:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:53,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:53,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:53,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:49:53,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:53,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:49:53,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:53,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:53,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:53,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:53,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:49:53,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:49:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:53,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:53,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:53,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:49:53,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:53,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-13 08:49:53,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:53,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:49:53,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:53,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-13 08:49:53,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:53,580 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:49:53,581 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1405980801] [2020-10-13 08:49:53,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:49:53,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:49:53,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805477808] [2020-10-13 08:49:53,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:49:53,582 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:49:53,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:49:53,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:49:53,582 INFO L87 Difference]: Start difference. First operand 560 states and 644 transitions. Second operand 5 states. [2020-10-13 08:49:54,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:49:54,556 INFO L93 Difference]: Finished difference Result 1670 states and 1945 transitions. [2020-10-13 08:49:54,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:49:54,557 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-10-13 08:49:54,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:49:54,563 INFO L225 Difference]: With dead ends: 1670 [2020-10-13 08:49:54,563 INFO L226 Difference]: Without dead ends: 1116 [2020-10-13 08:49:54,565 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:49:54,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-10-13 08:49:54,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1112. [2020-10-13 08:49:54,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1112 states. [2020-10-13 08:49:54,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1240 transitions. [2020-10-13 08:49:54,598 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1240 transitions. Word has length 148 [2020-10-13 08:49:54,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:49:54,598 INFO L479 AbstractCegarLoop]: Abstraction has 1112 states and 1240 transitions. [2020-10-13 08:49:54,599 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:49:54,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1240 transitions. [2020-10-13 08:49:54,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-13 08:49:54,601 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:54,602 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:49:54,602 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:49:54,603 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:54,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:54,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1389126042, now seen corresponding path program 1 times [2020-10-13 08:49:54,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:54,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1038711775] [2020-10-13 08:49:54,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:54,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:54,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:54,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:56,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:56,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-13 08:49:56,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:49:56,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1793 [2020-10-13 08:49:56,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:56,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:49:56,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 195 [2020-10-13 08:49:56,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 08:49:56,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:56,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:49:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:56,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:56,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:56,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:49:56,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:56,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:49:56,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:56,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:56,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:56,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:56,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:56,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:49:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:56,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:56,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:56,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:49:56,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:56,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 08:49:56,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:56,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:49:56,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:56,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:49:56,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:49:56,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:49:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:56,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:56,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:49:56,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:49:56,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:49:56,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-13 08:49:56,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:49:56,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:49:56,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:49:56,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:49:56,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:49:56,721 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 63 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-13 08:49:56,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1038711775] [2020-10-13 08:49:56,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:49:56,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:49:56,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287504208] [2020-10-13 08:49:56,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:49:56,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:49:56,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:49:56,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:49:56,724 INFO L87 Difference]: Start difference. First operand 1112 states and 1240 transitions. Second operand 5 states. [2020-10-13 08:49:58,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:49:58,233 INFO L93 Difference]: Finished difference Result 2774 states and 3140 transitions. [2020-10-13 08:49:58,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:49:58,233 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 221 [2020-10-13 08:49:58,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:49:58,242 INFO L225 Difference]: With dead ends: 2774 [2020-10-13 08:49:58,242 INFO L226 Difference]: Without dead ends: 1300 [2020-10-13 08:49:58,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:49:58,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1300 states. [2020-10-13 08:49:58,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1300 to 1296. [2020-10-13 08:49:58,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1296 states. [2020-10-13 08:49:58,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1296 states and 1431 transitions. [2020-10-13 08:49:58,293 INFO L78 Accepts]: Start accepts. Automaton has 1296 states and 1431 transitions. Word has length 221 [2020-10-13 08:49:58,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:49:58,294 INFO L479 AbstractCegarLoop]: Abstraction has 1296 states and 1431 transitions. [2020-10-13 08:49:58,295 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:49:58,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1431 transitions. [2020-10-13 08:49:58,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2020-10-13 08:49:58,305 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:49:58,306 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 08:49:58,306 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:49:58,307 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:49:58,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:49:58,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1325589706, now seen corresponding path program 1 times [2020-10-13 08:49:58,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:49:58,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [529133197] [2020-10-13 08:49:58,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:49:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:49:58,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:58,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:58,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:49:59,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:02,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:02,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:03,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:03,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 318 [2020-10-13 08:50:03,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 08:50:03,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 08:50:03,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:03,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:50:03,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 280 [2020-10-13 08:50:03,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 08:50:03,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:50:03,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:50:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:03,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:03,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:03,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:50:03,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:03,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:50:03,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:03,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:03,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:03,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:03,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:50:03,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:50:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:03,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:03,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:03,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:50:03,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:03,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 08:50:03,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:03,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:03,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:03,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:03,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:50:03,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:50:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:03,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:03,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:03,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:50:03,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:03,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-13 08:50:03,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:03,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:03,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:03,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:03,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:50:03,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-13 08:50:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:03,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:03,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:03,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 08:50:03,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:03,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-13 08:50:03,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:03,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:50:03,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:03,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 08:50:03,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:50:03,986 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 96 proven. 3 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2020-10-13 08:50:03,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [529133197] [2020-10-13 08:50:03,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:50:03,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:50:03,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612531890] [2020-10-13 08:50:03,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:50:03,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:50:03,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:50:03,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:50:03,990 INFO L87 Difference]: Start difference. First operand 1296 states and 1431 transitions. Second operand 5 states. [2020-10-13 08:50:04,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:50:04,795 INFO L93 Difference]: Finished difference Result 2602 states and 2884 transitions. [2020-10-13 08:50:04,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:50:04,800 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 304 [2020-10-13 08:50:04,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:50:04,810 INFO L225 Difference]: With dead ends: 2602 [2020-10-13 08:50:04,811 INFO L226 Difference]: Without dead ends: 1300 [2020-10-13 08:50:04,815 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 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 08:50:04,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1300 states. [2020-10-13 08:50:04,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1300 to 1296. [2020-10-13 08:50:04,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1296 states. [2020-10-13 08:50:04,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1296 states and 1428 transitions. [2020-10-13 08:50:04,877 INFO L78 Accepts]: Start accepts. Automaton has 1296 states and 1428 transitions. Word has length 304 [2020-10-13 08:50:04,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:50:04,878 INFO L479 AbstractCegarLoop]: Abstraction has 1296 states and 1428 transitions. [2020-10-13 08:50:04,878 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:50:04,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1428 transitions. [2020-10-13 08:50:04,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-10-13 08:50:04,885 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:50:04,885 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:50:04,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:50:04,886 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:50:04,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:50:04,886 INFO L82 PathProgramCache]: Analyzing trace with hash -989635162, now seen corresponding path program 1 times [2020-10-13 08:50:04,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:50:04,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1026373075] [2020-10-13 08:50:04,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:50:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:05,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:05,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:05,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:06,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:09,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:09,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 339 [2020-10-13 08:50:09,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:50:09,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4449 [2020-10-13 08:50:09,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:09,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:50:09,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 301 [2020-10-13 08:50:09,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 08:50:09,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:09,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:50:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:09,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:09,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:09,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:50:09,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:09,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:50:09,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:09,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:09,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:09,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:09,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:09,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:50:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:09,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:09,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:09,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:50:09,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:09,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:50:09,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:09,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:09,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:09,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:09,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:09,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:50:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:09,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:09,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:09,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:50:09,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:09,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-13 08:50:09,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:09,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:50:09,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:09,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-13 08:50:09,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:09,733 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 63 proven. 2 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-10-13 08:50:09,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1026373075] [2020-10-13 08:50:09,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:50:09,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:50:09,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229435322] [2020-10-13 08:50:09,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:50:09,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:50:09,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:50:09,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:50:09,736 INFO L87 Difference]: Start difference. First operand 1296 states and 1428 transitions. Second operand 5 states. [2020-10-13 08:50:10,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:50:10,795 INFO L93 Difference]: Finished difference Result 2958 states and 3312 transitions. [2020-10-13 08:50:10,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:50:10,796 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 327 [2020-10-13 08:50:10,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:50:10,805 INFO L225 Difference]: With dead ends: 2958 [2020-10-13 08:50:10,805 INFO L226 Difference]: Without dead ends: 1668 [2020-10-13 08:50:10,808 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:50:10,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2020-10-13 08:50:10,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1664. [2020-10-13 08:50:10,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1664 states. [2020-10-13 08:50:10,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1664 states and 1844 transitions. [2020-10-13 08:50:10,848 INFO L78 Accepts]: Start accepts. Automaton has 1664 states and 1844 transitions. Word has length 327 [2020-10-13 08:50:10,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:50:10,849 INFO L479 AbstractCegarLoop]: Abstraction has 1664 states and 1844 transitions. [2020-10-13 08:50:10,849 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:50:10,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 1844 transitions. [2020-10-13 08:50:10,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2020-10-13 08:50:10,857 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:50:10,857 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:50:10,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 08:50:10,858 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:50:10,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:50:10,858 INFO L82 PathProgramCache]: Analyzing trace with hash -612319135, now seen corresponding path program 1 times [2020-10-13 08:50:10,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:50:10,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1326530906] [2020-10-13 08:50:10,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:50:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:10,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:11,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:11,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:12,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:12,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:13,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:15,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:15,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 415 [2020-10-13 08:50:15,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 08:50:15,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-13 08:50:15,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:15,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:50:15,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 377 [2020-10-13 08:50:15,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 08:50:15,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:16,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:50:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:16,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:16,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:16,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:50:16,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:16,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:50:16,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:16,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:16,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:16,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:16,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:16,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:50:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:16,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:16,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:16,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:50:16,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:16,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 08:50:16,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:16,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:16,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:16,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:16,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:16,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:50:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:16,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:16,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:16,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:50:16,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:16,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 08:50:16,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:16,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:16,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:16,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:16,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:16,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2020-10-13 08:50:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:16,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:16,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:16,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 08:50:16,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:16,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 08:50:16,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:16,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:50:16,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:16,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 08:50:16,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:16,324 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 96 proven. 3 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2020-10-13 08:50:16,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1326530906] [2020-10-13 08:50:16,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:50:16,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:50:16,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696906926] [2020-10-13 08:50:16,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:50:16,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:50:16,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:50:16,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:50:16,327 INFO L87 Difference]: Start difference. First operand 1664 states and 1844 transitions. Second operand 5 states. [2020-10-13 08:50:17,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:50:17,074 INFO L93 Difference]: Finished difference Result 3344 states and 3721 transitions. [2020-10-13 08:50:17,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:50:17,079 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 401 [2020-10-13 08:50:17,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:50:17,086 INFO L225 Difference]: With dead ends: 3344 [2020-10-13 08:50:17,087 INFO L226 Difference]: Without dead ends: 1668 [2020-10-13 08:50:17,091 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 08:50:17,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2020-10-13 08:50:17,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1664. [2020-10-13 08:50:17,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1664 states. [2020-10-13 08:50:17,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1664 states and 1840 transitions. [2020-10-13 08:50:17,135 INFO L78 Accepts]: Start accepts. Automaton has 1664 states and 1840 transitions. Word has length 401 [2020-10-13 08:50:17,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:50:17,136 INFO L479 AbstractCegarLoop]: Abstraction has 1664 states and 1840 transitions. [2020-10-13 08:50:17,136 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:50:17,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 1840 transitions. [2020-10-13 08:50:17,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2020-10-13 08:50:17,151 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:50:17,151 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:50:17,151 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 08:50:17,152 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:50:17,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:50:17,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1315848721, now seen corresponding path program 1 times [2020-10-13 08:50:17,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:50:17,153 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [142726243] [2020-10-13 08:50:17,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:50:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:17,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:17,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:17,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:19,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:19,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:21,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:22,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:22,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 519 [2020-10-13 08:50:22,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 08:50:22,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-13 08:50:22,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:22,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:50:22,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 481 [2020-10-13 08:50:22,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-13 08:50:22,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:22,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:50:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:22,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:22,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:22,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:50:22,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:22,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:50:22,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:22,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:22,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:22,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:22,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:22,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:50:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:22,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:22,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:22,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:50:22,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:22,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 08:50:22,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:22,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:22,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:22,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:22,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:22,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:50:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:22,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:22,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:22,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:50:22,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:22,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-13 08:50:22,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:22,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:50:22,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:22,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:50:22,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:22,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2020-10-13 08:50:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:50:22,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:50:22,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:50:22,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-13 08:50:22,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:50:22,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-13 08:50:22,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:50:22,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:50:22,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:50:22,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-13 08:50:22,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:50:23,169 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 96 proven. 3 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2020-10-13 08:50:23,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [142726243] [2020-10-13 08:50:23,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:50:23,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:50:23,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903874206] [2020-10-13 08:50:23,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:50:23,172 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:50:23,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:50:23,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:50:23,173 INFO L87 Difference]: Start difference. First operand 1664 states and 1840 transitions. Second operand 5 states. [2020-10-13 08:50:23,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:50:23,875 INFO L93 Difference]: Finished difference Result 3169 states and 3486 transitions. [2020-10-13 08:50:23,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:50:23,875 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 505 [2020-10-13 08:50:23,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:50:23,876 INFO L225 Difference]: With dead ends: 3169 [2020-10-13 08:50:23,877 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:50:23,883 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 2 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 08:50:23,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:50:23,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:50:23,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:50:23,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:50:23,884 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 505 [2020-10-13 08:50:23,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:50:23,884 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:50:23,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:50:23,884 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:50:23,884 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:50:23,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 08:50:23,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:50:24,753 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 82 [2020-10-13 08:50:24,879 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-10-13 08:50:24,985 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-10-13 08:50:24,990 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:50:24,990 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 08:50:24,990 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:50:24,991 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-13 08:50:24,991 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-13 08:50:24,991 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:24,991 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:24,991 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:24,991 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-13 08:50:24,991 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-13 08:50:24,992 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-13 08:50:24,992 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-13 08:50:24,992 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-13 08:50:24,992 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-13 08:50:24,992 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-13 08:50:24,992 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-13 08:50:24,992 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:24,992 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:24,993 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:24,993 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-13 08:50:24,993 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-13 08:50:24,993 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-13 08:50:24,993 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-13 08:50:24,993 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-13 08:50:24,993 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-13 08:50:24,993 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-13 08:50:24,994 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-13 08:50:24,994 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:24,994 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:24,994 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:24,994 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-13 08:50:24,994 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 08:50:24,994 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-13 08:50:24,994 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-13 08:50:24,995 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-13 08:50:24,995 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-13 08:50:24,995 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-13 08:50:24,995 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-13 08:50:24,995 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-13 08:50:24,995 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:24,995 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:24,995 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:24,996 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-13 08:50:24,996 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-13 08:50:24,996 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-13 08:50:24,996 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-13 08:50:24,996 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-13 08:50:24,996 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-13 08:50:24,996 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-13 08:50:24,996 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:24,996 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:24,997 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:24,997 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-13 08:50:24,997 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-13 08:50:24,997 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-13 08:50:24,997 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-13 08:50:24,997 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-13 08:50:24,997 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-13 08:50:24,997 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-13 08:50:24,997 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-13 08:50:24,998 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-13 08:50:24,998 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:24,998 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:24,998 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:24,998 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:24,998 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-13 08:50:24,998 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 08:50:24,998 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 08:50:24,998 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-13 08:50:24,999 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-13 08:50:24,999 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-13 08:50:24,999 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-13 08:50:24,999 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-13 08:50:24,999 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:24,999 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:24,999 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:24,999 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-13 08:50:24,999 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-13 08:50:25,000 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-13 08:50:25,000 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-13 08:50:25,000 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-13 08:50:25,000 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-13 08:50:25,000 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-13 08:50:25,000 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-13 08:50:25,000 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,000 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,000 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,001 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-13 08:50:25,001 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-13 08:50:25,001 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-13 08:50:25,001 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-13 08:50:25,001 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-13 08:50:25,001 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-13 08:50:25,002 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (= ~a24~0 |old(~a24~0)|)) (.cse6 (= ~a21~0 |old(~a21~0)|)) (.cse1 (= ~a12~0 |old(~a12~0)|)) (.cse2 (= ~a15~0 |old(~a15~0)|))) (let ((.cse3 (and .cse0 .cse6 .cse1 .cse2)) (.cse4 (not (= |old(~a24~0)| 1))) (.cse5 (= ~a24~0 1))) (and (or (and .cse0 (= ~a21~0 9) .cse1 .cse2) (not (= 9 |old(~a21~0)|))) (or .cse3 (not (= 7 |old(~a15~0)|))) (or .cse4 (not (<= 12849 |old(~a12~0)|)) (and .cse5 .cse1 (= ~a21~0 ~a15~0) .cse2) (not (= |old(~a15~0)| |old(~a21~0)|))) (or .cse3 (not (= 8 |old(~a15~0)|))) (or .cse3 (not (<= |old(~a15~0)| 5))) (or (not (= 10 |old(~a21~0)|)) .cse4 (and .cse6 .cse5 .cse1 .cse2) (not (<= |old(~a12~0)| 10)) (not (<= 0 (+ |old(~a12~0)| 41)))) (or (not (<= 9 |old(~a15~0)|)) .cse3) (or (not (<= |old(~a12~0)| 46)) .cse4 (and (= ~a21~0 6) .cse5 .cse1 .cse2) (not (<= 13 |old(~a12~0)|)) (not (= 6 |old(~a21~0)|))) (or .cse4 (not (= 8 |old(~a21~0)|)) (not (<= 12 |old(~a12~0)|)) (not (<= |old(~a12~0)| 80)) (and .cse5 (= ~a21~0 8) .cse1 .cse2))))) [2020-10-13 08:50:25,002 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-13 08:50:25,002 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-13 08:50:25,002 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,002 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,002 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,003 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 08:50:25,003 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 08:50:25,003 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-13 08:50:25,003 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-13 08:50:25,003 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-13 08:50:25,003 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-13 08:50:25,003 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-13 08:50:25,003 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-13 08:50:25,003 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,004 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,004 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,004 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-13 08:50:25,004 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-13 08:50:25,004 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-13 08:50:25,004 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 08:50:25,004 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-13 08:50:25,004 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-13 08:50:25,005 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-13 08:50:25,005 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-13 08:50:25,005 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,005 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,005 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,005 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-13 08:50:25,005 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-13 08:50:25,005 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-13 08:50:25,005 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-13 08:50:25,005 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-13 08:50:25,005 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-13 08:50:25,006 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-13 08:50:25,006 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-13 08:50:25,006 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,006 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,006 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,006 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-13 08:50:25,006 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 08:50:25,006 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-13 08:50:25,007 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-13 08:50:25,007 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-13 08:50:25,007 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-13 08:50:25,007 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-13 08:50:25,007 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-13 08:50:25,007 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,007 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,007 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-13 08:50:25,007 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-13 08:50:25,008 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-13 08:50:25,008 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-13 08:50:25,008 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-13 08:50:25,008 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-13 08:50:25,008 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-13 08:50:25,008 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-13 08:50:25,008 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 100) no Hoare annotation was computed. [2020-10-13 08:50:25,008 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,009 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,009 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-13 08:50:25,009 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-13 08:50:25,009 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-13 08:50:25,009 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-13 08:50:25,009 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-13 08:50:25,009 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-13 08:50:25,009 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,010 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,010 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-13 08:50:25,010 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-13 08:50:25,010 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-13 08:50:25,010 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-13 08:50:25,010 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-13 08:50:25,010 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-13 08:50:25,010 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-13 08:50:25,010 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-13 08:50:25,010 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,011 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,011 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-13 08:50:25,011 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-13 08:50:25,011 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-13 08:50:25,011 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 08:50:25,011 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-13 08:50:25,011 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-13 08:50:25,011 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-13 08:50:25,011 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,011 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,012 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,012 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-13 08:50:25,012 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-13 08:50:25,012 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-13 08:50:25,012 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 08:50:25,012 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-13 08:50:25,012 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-13 08:50:25,012 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,012 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,012 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-13 08:50:25,013 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,013 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-13 08:50:25,013 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-13 08:50:25,013 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-13 08:50:25,013 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 08:50:25,013 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 08:50:25,013 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-13 08:50:25,013 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-13 08:50:25,013 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-13 08:50:25,014 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-13 08:50:25,014 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-13 08:50:25,014 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,014 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,014 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,014 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-13 08:50:25,014 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 08:50:25,014 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 08:50:25,014 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-13 08:50:25,014 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-13 08:50:25,015 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-13 08:50:25,015 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-13 08:50:25,015 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-13 08:50:25,015 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,015 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,015 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,015 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-13 08:50:25,015 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-13 08:50:25,015 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-13 08:50:25,015 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-13 08:50:25,016 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-13 08:50:25,016 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-13 08:50:25,016 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-13 08:50:25,016 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-13 08:50:25,016 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,016 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,016 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,016 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-13 08:50:25,016 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-13 08:50:25,016 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-13 08:50:25,017 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-13 08:50:25,017 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-13 08:50:25,017 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-13 08:50:25,017 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-13 08:50:25,017 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-13 08:50:25,017 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-13 08:50:25,017 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,017 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,017 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:50:25,017 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-13 08:50:25,018 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-13 08:50:25,018 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-13 08:50:25,018 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-13 08:50:25,018 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-13 08:50:25,018 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:50:25,018 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (= 7 ~a21~0)) [2020-10-13 08:50:25,018 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:50:25,018 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:50:25,018 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (and (= ~a24~0 |old(~a24~0)|) (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0) (= ~a15~0 |old(~a15~0)|)) (not (= 8 |old(~a15~0)|))) [2020-10-13 08:50:25,019 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-13 08:50:25,019 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1))) (or (= 7 ~a15~0) (not (= 7 |old(~a21~0)|)) (<= ~a15~0 5) (and (<= ~a12~0 46) (<= 13 ~a12~0) (= ~a21~0 6) .cse0) (and (<= 12 ~a12~0) .cse0 (<= ~a12~0 80) (= ~a21~0 8)) (= ~a15~0 8) (and (<= 12849 ~a12~0) .cse0 (= ~a21~0 ~a15~0)) (not (= 8 |old(~a15~0)|)) (<= 9 ~a15~0) (= ~a21~0 9) (and (<= 0 (+ ~a12~0 41)) (<= ~a12~0 10) (= ~a21~0 10) .cse0))) [2020-10-13 08:50:25,019 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-13 08:50:25,019 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-13 08:50:25,020 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1))) (or (= 7 ~a15~0) (not (= 7 |old(~a21~0)|)) (<= ~a15~0 5) (and (<= ~a12~0 46) (<= 13 ~a12~0) (= ~a21~0 6) .cse0) (and (<= 12 ~a12~0) .cse0 (<= ~a12~0 80) (= ~a21~0 8)) (= ~a15~0 8) (and (<= 12849 ~a12~0) .cse0 (= ~a21~0 ~a15~0)) (not (= 8 |old(~a15~0)|)) (<= 9 ~a15~0) (= ~a21~0 9) (and (<= 0 (+ ~a12~0 41)) (<= ~a12~0 10) (= ~a21~0 10) .cse0))) [2020-10-13 08:50:25,020 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-13 08:50:25,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:50:25 BoogieIcfgContainer [2020-10-13 08:50:25,052 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:50:25,055 INFO L168 Benchmark]: Toolchain (without parser) took 49702.08 ms. Allocated memory was 140.0 MB in the beginning and 1.1 GB in the end (delta: 910.7 MB). Free memory was 100.7 MB in the beginning and 539.7 MB in the end (delta: -438.9 MB). Peak memory consumption was 471.7 MB. Max. memory is 7.1 GB. [2020-10-13 08:50:25,056 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 08:50:25,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 941.43 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 100.5 MB in the beginning and 166.8 MB in the end (delta: -66.3 MB). Peak memory consumption was 38.7 MB. Max. memory is 7.1 GB. [2020-10-13 08:50:25,057 INFO L168 Benchmark]: Boogie Preprocessor took 184.35 ms. Allocated memory is still 205.0 MB. Free memory was 166.8 MB in the beginning and 161.2 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2020-10-13 08:50:25,068 INFO L168 Benchmark]: RCFGBuilder took 1533.21 ms. Allocated memory was 205.0 MB in the beginning and 239.1 MB in the end (delta: 34.1 MB). Free memory was 161.2 MB in the beginning and 156.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 78.0 MB. Max. memory is 7.1 GB. [2020-10-13 08:50:25,070 INFO L168 Benchmark]: TraceAbstraction took 47037.98 ms. Allocated memory was 239.1 MB in the beginning and 1.1 GB in the end (delta: 811.6 MB). Free memory was 156.4 MB in the beginning and 539.7 MB in the end (delta: -383.3 MB). Peak memory consumption was 428.3 MB. Max. memory is 7.1 GB. [2020-10-13 08:50:25,075 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 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 941.43 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 100.5 MB in the beginning and 166.8 MB in the end (delta: -66.3 MB). Peak memory consumption was 38.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 184.35 ms. Allocated memory is still 205.0 MB. Free memory was 166.8 MB in the beginning and 161.2 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1533.21 ms. Allocated memory was 205.0 MB in the beginning and 239.1 MB in the end (delta: 34.1 MB). Free memory was 161.2 MB in the beginning and 156.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 78.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 47037.98 ms. Allocated memory was 239.1 MB in the beginning and 1.1 GB in the end (delta: 811.6 MB). Free memory was 156.4 MB in the beginning and 539.7 MB in the end (delta: -383.3 MB). Peak memory consumption was 428.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 100]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((((((((7 == a15 || !(7 == \old(a21))) || a15 <= 5) || (((a12 <= 46 && 13 <= a12) && a21 == 6) && a24 == 1)) || (((12 <= a12 && a24 == 1) && a12 <= 80) && a21 == 8)) || a15 == 8) || ((12849 <= a12 && a24 == 1) && a21 == a15)) || !(8 == \old(a15))) || 9 <= a15) || a21 == 9) || (((0 <= a12 + 41 && a12 <= 10) && a21 == 10) && a24 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 45.8s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 13.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 327 SDtfs, 3758 SDslu, 271 SDs, 0 SdLazy, 8516 SolverSat, 503 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 94 SyntacticMatches, 10 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1664occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 48 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 85 PreInvPairs, 127 NumberOfFragments, 420 HoareAnnotationTreeSize, 85 FomulaSimplifications, 583856 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 949 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 29.9s InterpolantComputationTime, 2704 NumberOfCodeBlocks, 2704 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2691 ConstructedInterpolants, 0 QuantifiedInterpolants, 1566940 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 1668/1688 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...