/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label24.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 03:17:31,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 03:17:31,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 03:17:31,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 03:17:31,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 03:17:31,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 03:17:31,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 03:17:31,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 03:17:31,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 03:17:31,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 03:17:31,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 03:17:31,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 03:17:31,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 03:17:31,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 03:17:31,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 03:17:31,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 03:17:31,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 03:17:31,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 03:17:31,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 03:17:31,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 03:17:31,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 03:17:31,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 03:17:31,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 03:17:31,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 03:17:31,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 03:17:31,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 03:17:31,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 03:17:31,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 03:17:31,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 03:17:31,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 03:17:31,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 03:17:31,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 03:17:31,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 03:17:31,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 03:17:31,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 03:17:31,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 03:17:31,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 03:17:31,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 03:17:31,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 03:17:31,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 03:17:31,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 03:17:31,988 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 03:17:32,025 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 03:17:32,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 03:17:32,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 03:17:32,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 03:17:32,027 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 03:17:32,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 03:17:32,028 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 03:17:32,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 03:17:32,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 03:17:32,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 03:17:32,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 03:17:32,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 03:17:32,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 03:17:32,030 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 03:17:32,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 03:17:32,030 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 03:17:32,031 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 03:17:32,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 03:17:32,031 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 03:17:32,031 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 03:17:32,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 03:17:32,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 03:17:32,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 03:17:32,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 03:17:32,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 03:17:32,033 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 03:17:32,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 03:17:32,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 03:17:32,034 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 03:17:32,034 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 03:17:32,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 03:17:32,385 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 03:17:32,395 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 03:17:32,397 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 03:17:32,397 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 03:17:32,401 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label24.c [2020-10-14 03:17:32,467 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/36d0e1a2d/d4d777e2bf274d2b925f6fe6a960d774/FLAG3312dc6f6 [2020-10-14 03:17:33,066 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 03:17:33,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label24.c [2020-10-14 03:17:33,081 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/36d0e1a2d/d4d777e2bf274d2b925f6fe6a960d774/FLAG3312dc6f6 [2020-10-14 03:17:33,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/36d0e1a2d/d4d777e2bf274d2b925f6fe6a960d774 [2020-10-14 03:17:33,335 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 03:17:33,337 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 03:17:33,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 03:17:33,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 03:17:33,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 03:17:33,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:17:33" (1/1) ... [2020-10-14 03:17:33,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@387f035d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:33, skipping insertion in model container [2020-10-14 03:17:33,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:17:33" (1/1) ... [2020-10-14 03:17:33,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 03:17:33,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 03:17:33,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:17:33,991 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 03:17:34,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:17:34,159 INFO L208 MainTranslator]: Completed translation [2020-10-14 03:17:34,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:34 WrapperNode [2020-10-14 03:17:34,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 03:17:34,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 03:17:34,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 03:17:34,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 03:17:34,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:34" (1/1) ... [2020-10-14 03:17:34,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:34" (1/1) ... [2020-10-14 03:17:34,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:34" (1/1) ... [2020-10-14 03:17:34,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:34" (1/1) ... [2020-10-14 03:17:34,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:34" (1/1) ... [2020-10-14 03:17:34,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:34" (1/1) ... [2020-10-14 03:17:34,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:34" (1/1) ... [2020-10-14 03:17:34,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 03:17:34,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 03:17:34,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 03:17:34,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 03:17:34,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:34" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 03:17:34,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 03:17:34,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 03:17:34,477 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 03:17:34,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 03:17:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 03:17:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 03:17:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 03:17:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 03:17:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 03:17:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 03:17:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 03:17:36,153 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 03:17:36,153 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 03:17:36,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:17:36 BoogieIcfgContainer [2020-10-14 03:17:36,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 03:17:36,162 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 03:17:36,162 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 03:17:36,165 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 03:17:36,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:17:33" (1/3) ... [2020-10-14 03:17:36,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd18dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:17:36, skipping insertion in model container [2020-10-14 03:17:36,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:34" (2/3) ... [2020-10-14 03:17:36,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd18dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:17:36, skipping insertion in model container [2020-10-14 03:17:36,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:17:36" (3/3) ... [2020-10-14 03:17:36,170 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label24.c [2020-10-14 03:17:36,181 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 03:17:36,190 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 03:17:36,205 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 03:17:36,233 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 03:17:36,234 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 03:17:36,234 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 03:17:36,234 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 03:17:36,234 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 03:17:36,235 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 03:17:36,235 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 03:17:36,235 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 03:17:36,267 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-14 03:17:36,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-14 03:17:36,281 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:17:36,283 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:17:36,283 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:17:36,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:17:36,292 INFO L82 PathProgramCache]: Analyzing trace with hash 2116109586, now seen corresponding path program 1 times [2020-10-14 03:17:36,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:17:36,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1001205880] [2020-10-14 03:17:36,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:17:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:36,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:36,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:36,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 03:17:36,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:36,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 386 [2020-10-14 03:17:36,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:36,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:36,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 03:17:36,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 03:17:36,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-14 03:17:36,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 03:17:36,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:17:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:36,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:36,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:36,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:17:36,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:36,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:17:36,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:36,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:36,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:36,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:36,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 03:17:36,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:36,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:17:36,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1001205880] [2020-10-14 03:17:37,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 03:17:37,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 03:17:37,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982100895] [2020-10-14 03:17:37,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 03:17:37,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:17:37,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 03:17:37,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 03:17:37,030 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2020-10-14 03:17:38,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:17:38,991 INFO L93 Difference]: Finished difference Result 698 states and 1240 transitions. [2020-10-14 03:17:38,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:17:38,993 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-14 03:17:38,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:17:39,033 INFO L225 Difference]: With dead ends: 698 [2020-10-14 03:17:39,033 INFO L226 Difference]: Without dead ends: 380 [2020-10-14 03:17:39,042 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:17:39,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-14 03:17:39,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2020-10-14 03:17:39,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-14 03:17:39,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 552 transitions. [2020-10-14 03:17:39,133 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 552 transitions. Word has length 47 [2020-10-14 03:17:39,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:17:39,134 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 552 transitions. [2020-10-14 03:17:39,135 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 03:17:39,135 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 552 transitions. [2020-10-14 03:17:39,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-14 03:17:39,145 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:17:39,146 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:17:39,147 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 03:17:39,147 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:17:39,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:17:39,148 INFO L82 PathProgramCache]: Analyzing trace with hash 13726601, now seen corresponding path program 1 times [2020-10-14 03:17:39,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:17:39,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1957164956] [2020-10-14 03:17:39,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:17:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:39,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:39,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:39,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:40,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:40,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 03:17:40,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:17:40,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 956 [2020-10-14 03:17:40,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:40,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:40,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:40,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 03:17:40,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-14 03:17:40,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:17:40,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:17:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:40,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:40,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:40,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:17:40,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:40,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 03:17:40,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:40,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:40,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:40,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:40,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:40,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:40,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:17:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:40,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:40,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:40,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 03:17:40,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:40,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 03:17:40,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:40,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:40,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:40,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:40,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 03:17:40,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-14 03:17:40,432 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:17:40,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1957164956] [2020-10-14 03:17:40,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:17:40,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:17:40,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534432831] [2020-10-14 03:17:40,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:17:40,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:17:40,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:17:40,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:17:40,437 INFO L87 Difference]: Start difference. First operand 376 states and 552 transitions. Second operand 5 states. [2020-10-14 03:17:42,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:17:42,076 INFO L93 Difference]: Finished difference Result 934 states and 1411 transitions. [2020-10-14 03:17:42,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:17:42,077 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116 [2020-10-14 03:17:42,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:17:42,081 INFO L225 Difference]: With dead ends: 934 [2020-10-14 03:17:42,081 INFO L226 Difference]: Without dead ends: 564 [2020-10-14 03:17:42,083 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:17:42,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-14 03:17:42,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-14 03:17:42,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-14 03:17:42,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 745 transitions. [2020-10-14 03:17:42,127 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 745 transitions. Word has length 116 [2020-10-14 03:17:42,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:17:42,128 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 745 transitions. [2020-10-14 03:17:42,128 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:17:42,128 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 745 transitions. [2020-10-14 03:17:42,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-10-14 03:17:42,133 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:17:42,133 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2020-10-14 03:17:42,134 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 03:17:42,134 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:17:42,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:17:42,135 INFO L82 PathProgramCache]: Analyzing trace with hash -68050386, now seen corresponding path program 1 times [2020-10-14 03:17:42,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:17:42,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [531699992] [2020-10-14 03:17:42,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:17:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:42,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:42,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:42,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:42,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:44,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:46,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:46,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-14 03:17:46,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:17:46,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4718 [2020-10-14 03:17:46,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:46,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:46,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:46,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 03:17:46,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 03:17:46,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:46,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:17:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:46,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:46,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:46,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:17:46,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:46,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:17:46,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:46,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:46,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:46,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:46,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:46,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:47,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:17:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:47,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:47,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:47,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 03:17:47,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:47,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 03:17:47,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:47,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:47,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:47,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:47,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 03:17:47,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:47,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 03:17:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:47,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:47,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:47,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:17:47,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:47,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-14 03:17:47,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:47,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:47,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:47,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:17:47,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 03:17:47,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:47,438 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 146 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:17:47,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [531699992] [2020-10-14 03:17:47,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:17:47,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:17:47,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665937518] [2020-10-14 03:17:47,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:17:47,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:17:47,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:17:47,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:17:47,441 INFO L87 Difference]: Start difference. First operand 560 states and 745 transitions. Second operand 7 states. [2020-10-14 03:17:49,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:17:49,142 INFO L93 Difference]: Finished difference Result 1316 states and 1706 transitions. [2020-10-14 03:17:49,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:17:49,142 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 199 [2020-10-14 03:17:49,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:17:49,148 INFO L225 Difference]: With dead ends: 1316 [2020-10-14 03:17:49,148 INFO L226 Difference]: Without dead ends: 576 [2020-10-14 03:17:49,150 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:17:49,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2020-10-14 03:17:49,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 562. [2020-10-14 03:17:49,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2020-10-14 03:17:49,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 624 transitions. [2020-10-14 03:17:49,181 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 624 transitions. Word has length 199 [2020-10-14 03:17:49,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:17:49,182 INFO L479 AbstractCegarLoop]: Abstraction has 562 states and 624 transitions. [2020-10-14 03:17:49,182 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:17:49,182 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 624 transitions. [2020-10-14 03:17:49,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-14 03:17:49,186 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:17:49,186 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:17:49,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 03:17:49,187 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:17:49,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:17:49,187 INFO L82 PathProgramCache]: Analyzing trace with hash -879873851, now seen corresponding path program 1 times [2020-10-14 03:17:49,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:17:49,188 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1120341114] [2020-10-14 03:17:49,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:17:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:49,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:49,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:50,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:52,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:52,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-14 03:17:52,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:17:52,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3081 [2020-10-14 03:17:52,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:52,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:52,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:52,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-10-14 03:17:52,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-14 03:17:52,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:52,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:17:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:52,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:52,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:52,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:17:52,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:52,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:17:52,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:52,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:52,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:52,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:52,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:52,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:52,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:17:52,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:52,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:52,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:52,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:17:52,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:52,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-14 03:17:52,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:52,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:52,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:52,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:52,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 03:17:52,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:52,733 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:17:52,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1120341114] [2020-10-14 03:17:52,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:17:52,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:17:52,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205236765] [2020-10-14 03:17:52,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:17:52,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:17:52,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:17:52,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:17:52,739 INFO L87 Difference]: Start difference. First operand 562 states and 624 transitions. Second operand 5 states. [2020-10-14 03:17:53,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:17:53,843 INFO L93 Difference]: Finished difference Result 1308 states and 1487 transitions. [2020-10-14 03:17:53,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:17:53,844 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 226 [2020-10-14 03:17:53,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:17:53,853 INFO L225 Difference]: With dead ends: 1308 [2020-10-14 03:17:53,854 INFO L226 Difference]: Without dead ends: 752 [2020-10-14 03:17:53,857 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:17:53,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2020-10-14 03:17:53,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 746. [2020-10-14 03:17:53,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 746 states. [2020-10-14 03:17:53,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 846 transitions. [2020-10-14 03:17:53,901 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 846 transitions. Word has length 226 [2020-10-14 03:17:53,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:17:53,902 INFO L479 AbstractCegarLoop]: Abstraction has 746 states and 846 transitions. [2020-10-14 03:17:53,903 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:17:53,903 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 846 transitions. [2020-10-14 03:17:53,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2020-10-14 03:17:53,911 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:17:53,911 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:17:53,912 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 03:17:53,912 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:17:53,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:17:53,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1495772951, now seen corresponding path program 1 times [2020-10-14 03:17:53,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:17:53,913 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [27510644] [2020-10-14 03:17:53,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:17:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:54,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:54,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:54,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:56,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:57,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:59,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:59,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 312 [2020-10-14 03:17:59,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:17:59,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-14 03:17:59,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:59,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:59,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:59,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-10-14 03:17:59,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 03:17:59,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:59,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:17:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:59,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:59,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:59,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:17:59,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:59,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:17:59,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:59,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:59,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:59,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:59,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:59,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:59,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:17:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:59,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:59,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:59,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:17:59,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:59,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-14 03:17:59,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:59,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:59,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:59,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:59,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 03:17:59,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:59,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:17:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:59,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:59,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:59,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 03:17:59,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:59,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-14 03:17:59,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:59,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:59,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:59,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:17:59,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 03:17:59,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:59,721 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 151 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:17:59,721 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [27510644] [2020-10-14 03:17:59,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:17:59,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:17:59,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087923494] [2020-10-14 03:17:59,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:17:59,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:17:59,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:17:59,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:17:59,725 INFO L87 Difference]: Start difference. First operand 746 states and 846 transitions. Second operand 7 states. [2020-10-14 03:18:01,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:18:01,342 INFO L93 Difference]: Finished difference Result 2088 states and 2469 transitions. [2020-10-14 03:18:01,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:18:01,343 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 300 [2020-10-14 03:18:01,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:18:01,351 INFO L225 Difference]: With dead ends: 2088 [2020-10-14 03:18:01,352 INFO L226 Difference]: Without dead ends: 1348 [2020-10-14 03:18:01,354 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:18:01,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1348 states. [2020-10-14 03:18:01,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1348 to 1310. [2020-10-14 03:18:01,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1310 states. [2020-10-14 03:18:01,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1310 states and 1454 transitions. [2020-10-14 03:18:01,405 INFO L78 Accepts]: Start accepts. Automaton has 1310 states and 1454 transitions. Word has length 300 [2020-10-14 03:18:01,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:18:01,406 INFO L479 AbstractCegarLoop]: Abstraction has 1310 states and 1454 transitions. [2020-10-14 03:18:01,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:18:01,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 1454 transitions. [2020-10-14 03:18:01,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2020-10-14 03:18:01,411 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:18:01,412 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:18:01,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 03:18:01,412 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:18:01,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:18:01,413 INFO L82 PathProgramCache]: Analyzing trace with hash 139853761, now seen corresponding path program 1 times [2020-10-14 03:18:01,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:18:01,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1685415349] [2020-10-14 03:18:01,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:18:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:01,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:01,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:02,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:05,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:05,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 324 [2020-10-14 03:18:05,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:18:05,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4043 [2020-10-14 03:18:05,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:05,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:05,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:05,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 277 [2020-10-14 03:18:05,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-14 03:18:05,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:05,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:18:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:05,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:05,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:05,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:18:05,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:05,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 03:18:05,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:05,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:05,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:05,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:05,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:05,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:05,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:18:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:05,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:05,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:05,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:18:05,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:05,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 03:18:05,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:05,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:05,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:05,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:05,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:05,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:05,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:18:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:05,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:05,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:05,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:18:05,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:05,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 03:18:05,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:05,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:05,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:18:05,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:05,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 03:18:05,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:06,088 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 81 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-14 03:18:06,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1685415349] [2020-10-14 03:18:06,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:18:06,091 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:18:06,091 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565097174] [2020-10-14 03:18:06,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:18:06,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:18:06,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:18:06,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:18:06,093 INFO L87 Difference]: Start difference. First operand 1310 states and 1454 transitions. Second operand 5 states. [2020-10-14 03:18:07,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:18:07,479 INFO L93 Difference]: Finished difference Result 3176 states and 3611 transitions. [2020-10-14 03:18:07,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:18:07,480 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 312 [2020-10-14 03:18:07,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:18:07,494 INFO L225 Difference]: With dead ends: 3176 [2020-10-14 03:18:07,495 INFO L226 Difference]: Without dead ends: 1872 [2020-10-14 03:18:07,500 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 [2020-10-14 03:18:07,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1872 states. [2020-10-14 03:18:07,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1872 to 1868. [2020-10-14 03:18:07,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1868 states. [2020-10-14 03:18:07,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 1868 states and 2085 transitions. [2020-10-14 03:18:07,596 INFO L78 Accepts]: Start accepts. Automaton has 1868 states and 2085 transitions. Word has length 312 [2020-10-14 03:18:07,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:18:07,597 INFO L479 AbstractCegarLoop]: Abstraction has 1868 states and 2085 transitions. [2020-10-14 03:18:07,597 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:18:07,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2085 transitions. [2020-10-14 03:18:07,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-10-14 03:18:07,610 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:18:07,610 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:18:07,611 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 03:18:07,611 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:18:07,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:18:07,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1453155117, now seen corresponding path program 1 times [2020-10-14 03:18:07,612 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:18:07,612 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [14355920] [2020-10-14 03:18:07,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:18:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:07,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:07,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:09,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:10,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:11,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:11,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 330 [2020-10-14 03:18:11,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:18:11,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3874 [2020-10-14 03:18:11,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:11,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:11,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:11,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 283 [2020-10-14 03:18:11,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-14 03:18:11,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:11,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:18:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:11,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:11,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:11,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:18:11,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:11,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:18:11,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:11,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:11,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:11,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:11,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:11,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:18:11,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:18:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:11,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:11,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:11,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:18:11,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:11,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 03:18:11,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:11,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:11,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:11,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:11,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:11,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:11,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:18:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:11,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:11,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:11,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-14 03:18:11,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:11,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-14 03:18:11,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:11,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:11,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:18:11,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:11,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 03:18:11,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:12,017 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 81 proven. 2 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-14 03:18:12,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [14355920] [2020-10-14 03:18:12,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:18:12,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 03:18:12,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613547284] [2020-10-14 03:18:12,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 03:18:12,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:18:12,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 03:18:12,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:18:12,021 INFO L87 Difference]: Start difference. First operand 1868 states and 2085 transitions. Second operand 6 states. [2020-10-14 03:18:13,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:18:13,695 INFO L93 Difference]: Finished difference Result 4290 states and 4927 transitions. [2020-10-14 03:18:13,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 03:18:13,696 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 318 [2020-10-14 03:18:13,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:18:13,711 INFO L225 Difference]: With dead ends: 4290 [2020-10-14 03:18:13,711 INFO L226 Difference]: Without dead ends: 2056 [2020-10-14 03:18:13,719 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:18:13,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2056 states. [2020-10-14 03:18:13,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2056 to 2052. [2020-10-14 03:18:13,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2052 states. [2020-10-14 03:18:13,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2052 states to 2052 states and 2302 transitions. [2020-10-14 03:18:13,799 INFO L78 Accepts]: Start accepts. Automaton has 2052 states and 2302 transitions. Word has length 318 [2020-10-14 03:18:13,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:18:13,800 INFO L479 AbstractCegarLoop]: Abstraction has 2052 states and 2302 transitions. [2020-10-14 03:18:13,801 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 03:18:13,801 INFO L276 IsEmpty]: Start isEmpty. Operand 2052 states and 2302 transitions. [2020-10-14 03:18:13,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2020-10-14 03:18:13,813 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:18:13,813 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:18:13,814 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 03:18:13,814 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:18:13,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:18:13,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1146636942, now seen corresponding path program 1 times [2020-10-14 03:18:13,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:18:13,815 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [348256582] [2020-10-14 03:18:13,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:18:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:13,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:14,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:14,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:17,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:17,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:18,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:18,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 393 [2020-10-14 03:18:18,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:18:18,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-14 03:18:18,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:18,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:18,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:18,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 270 [2020-10-14 03:18:18,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 03:18:18,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:18,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:18:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:18,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:18,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:18,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:18:18,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:18,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:18:18,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:18,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:18,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:18,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:18,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:18,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:18,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:18:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:18,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:19,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:19,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:18:19,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:19,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 03:18:19,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:19,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:19,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:19,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:19,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:19,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:19,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:18:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:19,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:19,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:19,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 03:18:19,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:19,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 03:18:19,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:19,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:19,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:18:19,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:19,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 03:18:19,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:19,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-14 03:18:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:19,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:19,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:19,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 03:18:19,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:19,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-14 03:18:19,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:19,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:19,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:19,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:18:19,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 03:18:19,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:19,445 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 267 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-14 03:18:19,446 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [348256582] [2020-10-14 03:18:19,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:18:19,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:18:19,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628312526] [2020-10-14 03:18:19,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:18:19,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:18:19,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:18:19,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:18:19,448 INFO L87 Difference]: Start difference. First operand 2052 states and 2302 transitions. Second operand 7 states. [2020-10-14 03:18:21,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:18:21,133 INFO L93 Difference]: Finished difference Result 4730 states and 5543 transitions. [2020-10-14 03:18:21,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:18:21,134 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 379 [2020-10-14 03:18:21,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:18:21,150 INFO L225 Difference]: With dead ends: 4730 [2020-10-14 03:18:21,150 INFO L226 Difference]: Without dead ends: 2494 [2020-10-14 03:18:21,157 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:18:21,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2494 states. [2020-10-14 03:18:21,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2494 to 2244. [2020-10-14 03:18:21,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2244 states. [2020-10-14 03:18:21,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 2244 states and 2477 transitions. [2020-10-14 03:18:21,264 INFO L78 Accepts]: Start accepts. Automaton has 2244 states and 2477 transitions. Word has length 379 [2020-10-14 03:18:21,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:18:21,265 INFO L479 AbstractCegarLoop]: Abstraction has 2244 states and 2477 transitions. [2020-10-14 03:18:21,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:18:21,265 INFO L276 IsEmpty]: Start isEmpty. Operand 2244 states and 2477 transitions. [2020-10-14 03:18:21,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2020-10-14 03:18:21,278 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:18:21,279 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:18:21,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 03:18:21,279 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:18:21,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:18:21,280 INFO L82 PathProgramCache]: Analyzing trace with hash 284409050, now seen corresponding path program 1 times [2020-10-14 03:18:21,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:18:21,281 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1970594499] [2020-10-14 03:18:21,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:18:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:21,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:21,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:21,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:22,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:24,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:25,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:26,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:26,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 415 [2020-10-14 03:18:26,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 03:18:26,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 03:18:26,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:26,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:26,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:26,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 292 [2020-10-14 03:18:26,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 03:18:26,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:26,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:18:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:26,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:26,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:26,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:18:26,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:26,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:18:26,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:26,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:26,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:26,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:26,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:26,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:26,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:18:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:26,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:26,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:26,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:18:26,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:26,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 03:18:26,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:26,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:26,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:26,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:26,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:26,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:26,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:18:26,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:26,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:26,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:26,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 03:18:26,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:26,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 03:18:26,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:26,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:26,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:18:26,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:26,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-14 03:18:26,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:26,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2020-10-14 03:18:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:26,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:26,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:26,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 03:18:26,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:26,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 03:18:26,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:26,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:26,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:26,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:18:26,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 03:18:26,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:26,711 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 267 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-14 03:18:26,711 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1970594499] [2020-10-14 03:18:26,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:18:26,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:18:26,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759304270] [2020-10-14 03:18:26,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:18:26,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:18:26,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:18:26,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:18:26,714 INFO L87 Difference]: Start difference. First operand 2244 states and 2477 transitions. Second operand 7 states. [2020-10-14 03:18:28,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:18:28,097 INFO L93 Difference]: Finished difference Result 4866 states and 5436 transitions. [2020-10-14 03:18:28,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:18:28,097 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 401 [2020-10-14 03:18:28,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:18:28,107 INFO L225 Difference]: With dead ends: 4866 [2020-10-14 03:18:28,107 INFO L226 Difference]: Without dead ends: 1886 [2020-10-14 03:18:28,115 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:18:28,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1886 states. [2020-10-14 03:18:28,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1886 to 1870. [2020-10-14 03:18:28,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1870 states. [2020-10-14 03:18:28,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1870 states and 2005 transitions. [2020-10-14 03:18:28,166 INFO L78 Accepts]: Start accepts. Automaton has 1870 states and 2005 transitions. Word has length 401 [2020-10-14 03:18:28,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:18:28,167 INFO L479 AbstractCegarLoop]: Abstraction has 1870 states and 2005 transitions. [2020-10-14 03:18:28,167 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:18:28,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2005 transitions. [2020-10-14 03:18:28,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2020-10-14 03:18:28,172 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:18:28,172 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:18:28,173 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 03:18:28,173 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:18:28,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:18:28,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1562888411, now seen corresponding path program 1 times [2020-10-14 03:18:28,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:18:28,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1671320740] [2020-10-14 03:18:28,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:18:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:28,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:28,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:28,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:30,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:31,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:33,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:33,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 432 [2020-10-14 03:18:33,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:18:33,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-10-14 03:18:33,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:33,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:33,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:33,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 309 [2020-10-14 03:18:33,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 03:18:33,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:33,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:18:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:33,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:33,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:33,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:18:33,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:33,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:18:33,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:33,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:33,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:33,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:33,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:33,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:33,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:18:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:33,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:33,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:33,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:18:33,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:33,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:18:33,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:33,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:33,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:33,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:33,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:33,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:33,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:18:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:33,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:33,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:33,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:18:33,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:33,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 03:18:33,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:33,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:33,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:18:33,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:33,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 03:18:33,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:33,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2020-10-14 03:18:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:33,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:33,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:33,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 03:18:33,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:33,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 03:18:33,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:33,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:33,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:33,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:18:33,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 03:18:33,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:33,703 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 267 proven. 2 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2020-10-14 03:18:33,704 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1671320740] [2020-10-14 03:18:33,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:18:33,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:18:33,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819857731] [2020-10-14 03:18:33,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:18:33,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:18:33,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:18:33,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:18:33,706 INFO L87 Difference]: Start difference. First operand 1870 states and 2005 transitions. Second operand 7 states. [2020-10-14 03:18:34,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:18:34,899 INFO L93 Difference]: Finished difference Result 4562 states and 5063 transitions. [2020-10-14 03:18:34,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:18:34,900 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 418 [2020-10-14 03:18:34,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:18:34,915 INFO L225 Difference]: With dead ends: 4562 [2020-10-14 03:18:34,915 INFO L226 Difference]: Without dead ends: 2698 [2020-10-14 03:18:34,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:18:34,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2020-10-14 03:18:34,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 2422. [2020-10-14 03:18:34,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2422 states. [2020-10-14 03:18:35,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2422 states to 2422 states and 2577 transitions. [2020-10-14 03:18:35,000 INFO L78 Accepts]: Start accepts. Automaton has 2422 states and 2577 transitions. Word has length 418 [2020-10-14 03:18:35,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:18:35,001 INFO L479 AbstractCegarLoop]: Abstraction has 2422 states and 2577 transitions. [2020-10-14 03:18:35,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:18:35,001 INFO L276 IsEmpty]: Start isEmpty. Operand 2422 states and 2577 transitions. [2020-10-14 03:18:35,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2020-10-14 03:18:35,008 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:18:35,008 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:18:35,009 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 03:18:35,009 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:18:35,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:18:35,009 INFO L82 PathProgramCache]: Analyzing trace with hash 936907445, now seen corresponding path program 1 times [2020-10-14 03:18:35,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:18:35,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [677287004] [2020-10-14 03:18:35,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:18:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:35,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:35,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:35,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:39,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:39,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:40,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:40,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 552 [2020-10-14 03:18:40,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:18:40,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 03:18:40,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:40,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:40,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:40,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-14 03:18:40,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:18:40,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:40,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:18:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:40,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:40,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:40,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:18:40,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:40,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:18:40,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:40,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:40,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:40,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:40,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:40,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:40,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:18:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:40,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:40,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:40,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:18:40,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:40,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 03:18:40,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:40,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:40,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:18:40,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:40,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 03:18:40,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:40,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 03:18:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:40,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:40,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:40,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:18:40,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:40,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-14 03:18:40,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:40,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:40,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:40,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:18:40,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:18:40,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:40,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-10-14 03:18:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:40,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:40,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:40,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:18:40,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:40,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 03:18:40,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:40,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:40,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:40,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 03:18:40,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:40,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:40,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2020-10-14 03:18:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:40,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:40,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:40,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 03:18:40,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:40,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:18:40,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:40,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:40,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:40,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-14 03:18:40,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:40,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:40,713 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 274 proven. 197 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2020-10-14 03:18:40,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [677287004] [2020-10-14 03:18:40,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:18:40,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:18:40,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133100933] [2020-10-14 03:18:40,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:18:40,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:18:40,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:18:40,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:18:40,716 INFO L87 Difference]: Start difference. First operand 2422 states and 2577 transitions. Second operand 7 states. [2020-10-14 03:18:41,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:18:41,946 INFO L93 Difference]: Finished difference Result 5578 states and 5942 transitions. [2020-10-14 03:18:41,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:18:41,951 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 536 [2020-10-14 03:18:41,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:18:42,004 INFO L225 Difference]: With dead ends: 5578 [2020-10-14 03:18:42,004 INFO L226 Difference]: Without dead ends: 3344 [2020-10-14 03:18:42,008 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:18:42,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3344 states. [2020-10-14 03:18:42,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3344 to 2972. [2020-10-14 03:18:42,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2972 states. [2020-10-14 03:18:42,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2972 states to 2972 states and 3152 transitions. [2020-10-14 03:18:42,075 INFO L78 Accepts]: Start accepts. Automaton has 2972 states and 3152 transitions. Word has length 536 [2020-10-14 03:18:42,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:18:42,076 INFO L479 AbstractCegarLoop]: Abstraction has 2972 states and 3152 transitions. [2020-10-14 03:18:42,076 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:18:42,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2972 states and 3152 transitions. [2020-10-14 03:18:42,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 696 [2020-10-14 03:18:42,085 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:18:42,085 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:18:42,086 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 03:18:42,086 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:18:42,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:18:42,086 INFO L82 PathProgramCache]: Analyzing trace with hash -916341998, now seen corresponding path program 1 times [2020-10-14 03:18:42,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:18:42,087 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1774498569] [2020-10-14 03:18:42,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:18:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:42,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:42,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:42,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:43,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:46,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:47,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:47,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 713 [2020-10-14 03:18:47,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:18:47,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-14 03:18:47,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:47,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:47,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:47,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 280 [2020-10-14 03:18:47,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:18:47,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:47,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:18:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:47,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:47,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:47,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:18:47,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:47,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:18:47,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:47,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:47,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:47,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:47,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:47,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:47,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:18:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:47,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:47,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:47,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:18:47,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:47,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:18:47,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:47,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:47,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:47,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:47,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:47,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:47,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 03:18:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:47,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:47,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:47,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 03:18:47,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:47,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 03:18:47,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:47,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:47,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:18:47,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:47,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 03:18:47,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:47,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-10-14 03:18:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:47,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:47,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:47,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:18:47,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:47,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-14 03:18:47,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:47,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:47,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:47,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:18:47,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:18:47,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:47,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2020-10-14 03:18:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:47,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:47,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:47,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:18:47,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:47,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-14 03:18:47,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:47,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:47,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:47,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 03:18:47,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:47,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:47,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2020-10-14 03:18:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:47,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:47,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:47,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 03:18:47,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:47,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:18:47,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:47,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:47,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:47,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-14 03:18:47,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:47,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:18:48,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1236 backedges. 483 proven. 197 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2020-10-14 03:18:48,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1774498569] [2020-10-14 03:18:48,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:18:48,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:18:48,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987848086] [2020-10-14 03:18:48,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:18:48,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:18:48,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:18:48,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:18:48,181 INFO L87 Difference]: Start difference. First operand 2972 states and 3152 transitions. Second operand 7 states. [2020-10-14 03:18:49,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:18:49,378 INFO L93 Difference]: Finished difference Result 6864 states and 7342 transitions. [2020-10-14 03:18:49,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:18:49,379 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 695 [2020-10-14 03:18:49,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:18:49,394 INFO L225 Difference]: With dead ends: 6864 [2020-10-14 03:18:49,394 INFO L226 Difference]: Without dead ends: 4080 [2020-10-14 03:18:49,400 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:18:49,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4080 states. [2020-10-14 03:18:49,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4080 to 3892. [2020-10-14 03:18:49,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3892 states. [2020-10-14 03:18:49,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3892 states to 3892 states and 4161 transitions. [2020-10-14 03:18:49,481 INFO L78 Accepts]: Start accepts. Automaton has 3892 states and 4161 transitions. Word has length 695 [2020-10-14 03:18:49,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:18:49,482 INFO L479 AbstractCegarLoop]: Abstraction has 3892 states and 4161 transitions. [2020-10-14 03:18:49,482 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:18:49,482 INFO L276 IsEmpty]: Start isEmpty. Operand 3892 states and 4161 transitions. [2020-10-14 03:18:49,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 790 [2020-10-14 03:18:49,492 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:18:49,493 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:18:49,493 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 03:18:49,494 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:18:49,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:18:49,494 INFO L82 PathProgramCache]: Analyzing trace with hash 629166686, now seen corresponding path program 1 times [2020-10-14 03:18:49,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:18:49,495 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [632869009] [2020-10-14 03:18:49,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:18:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:49,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:49,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:49,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:49,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:54,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:54,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 809 [2020-10-14 03:18:54,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:18:54,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-14 03:18:54,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:54,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:54,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:54,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-14 03:18:54,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:18:54,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:54,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:18:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:54,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:54,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:54,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:18:54,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:54,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:18:54,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:54,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:54,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:54,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:54,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:54,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:54,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:18:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:54,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:54,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:54,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:18:54,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:54,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 03:18:54,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:54,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:54,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:18:54,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:18:54,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 03:18:54,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:54,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 03:18:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:54,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:54,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:54,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:18:54,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:54,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-14 03:18:54,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:54,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:54,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:18:54,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:18:54,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 03:18:54,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:55,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2020-10-14 03:18:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:55,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:55,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:55,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:18:55,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:55,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:18:55,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:55,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:55,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:55,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 03:18:55,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:55,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:55,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2020-10-14 03:18:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:55,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:55,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:55,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:18:55,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:55,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 03:18:55,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:55,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:55,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:55,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 03:18:55,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:55,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:55,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2020-10-14 03:18:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:55,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:55,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:55,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:18:55,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:55,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-14 03:18:55,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:55,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:55,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:55,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 03:18:55,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:55,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:55,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2020-10-14 03:18:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:55,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:55,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:18:55,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 03:18:55,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:18:55,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 03:18:55,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:18:55,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:18:55,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:18:55,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-14 03:18:55,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:18:55,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:18:55,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1672 backedges. 362 proven. 444 refuted. 0 times theorem prover too weak. 866 trivial. 0 not checked. [2020-10-14 03:18:55,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [632869009] [2020-10-14 03:18:55,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:18:55,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:18:55,623 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540457638] [2020-10-14 03:18:55,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:18:55,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:18:55,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:18:55,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:18:55,624 INFO L87 Difference]: Start difference. First operand 3892 states and 4161 transitions. Second operand 7 states. [2020-10-14 03:18:56,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:18:56,716 INFO L93 Difference]: Finished difference Result 7962 states and 8536 transitions. [2020-10-14 03:18:56,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 03:18:56,718 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 789 [2020-10-14 03:18:56,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:18:56,733 INFO L225 Difference]: With dead ends: 7962 [2020-10-14 03:18:56,734 INFO L226 Difference]: Without dead ends: 4258 [2020-10-14 03:18:56,741 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-14 03:18:56,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4258 states. [2020-10-14 03:18:56,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4258 to 4258. [2020-10-14 03:18:56,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4258 states. [2020-10-14 03:18:56,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4258 states to 4258 states and 4541 transitions. [2020-10-14 03:18:56,819 INFO L78 Accepts]: Start accepts. Automaton has 4258 states and 4541 transitions. Word has length 789 [2020-10-14 03:18:56,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:18:56,820 INFO L479 AbstractCegarLoop]: Abstraction has 4258 states and 4541 transitions. [2020-10-14 03:18:56,820 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:18:56,820 INFO L276 IsEmpty]: Start isEmpty. Operand 4258 states and 4541 transitions. [2020-10-14 03:18:56,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1017 [2020-10-14 03:18:56,835 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:18:56,836 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:18:56,836 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 03:18:56,836 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:18:56,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:18:56,837 INFO L82 PathProgramCache]: Analyzing trace with hash -693614743, now seen corresponding path program 1 times [2020-10-14 03:18:56,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:18:56,838 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [81326891] [2020-10-14 03:18:56,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:18:57,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:18:57,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:57,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:58,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:18:58,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:02,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:02,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1040 [2020-10-14 03:19:02,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:19:02,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5075 [2020-10-14 03:19:02,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:02,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:02,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:02,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 350 [2020-10-14 03:19:02,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:19:02,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:02,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:02,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:02,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:02,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:02,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:02,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:19:02,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:02,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:02,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:02,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:02,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:02,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:02,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:19:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:02,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:02,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:02,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:19:02,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:02,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:19:02,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:02,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:02,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:02,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:02,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:02,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:02,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:19:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:02,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:02,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:02,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:19:02,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:02,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:19:02,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:02,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:02,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:02,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:02,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:02,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:02,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:19:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:02,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:02,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:02,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:19:02,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:02,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 03:19:02,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:02,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:02,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:02,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:02,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-14 03:19:02,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:02,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:19:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:02,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:02,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:02,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:19:02,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:02,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-14 03:19:02,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:02,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:02,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:02,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:19:02,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 03:19:02,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:02,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-10-14 03:19:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:02,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:02,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:02,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:19:02,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:02,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:19:02,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:02,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:02,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:02,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 03:19:02,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:02,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:02,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2020-10-14 03:19:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:02,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:02,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:02,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:19:02,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:02,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 03:19:02,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:02,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:02,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:02,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 03:19:02,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:02,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:02,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2020-10-14 03:19:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:02,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:02,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:02,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:19:02,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:02,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 03:19:02,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:02,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:02,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:02,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 03:19:02,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:02,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:02,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 903 [2020-10-14 03:19:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:02,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:02,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:02,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 03:19:02,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:02,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:19:02,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:02,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:02,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:02,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-14 03:19:02,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:02,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:03,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3061 backedges. 705 proven. 444 refuted. 0 times theorem prover too weak. 1912 trivial. 0 not checked. [2020-10-14 03:19:03,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [81326891] [2020-10-14 03:19:03,750 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:19:03,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:19:03,751 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841227283] [2020-10-14 03:19:03,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:19:03,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:03,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:19:03,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:19:03,752 INFO L87 Difference]: Start difference. First operand 4258 states and 4541 transitions. Second operand 8 states. [2020-10-14 03:19:05,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:05,101 INFO L93 Difference]: Finished difference Result 8692 states and 9278 transitions. [2020-10-14 03:19:05,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:19:05,101 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1016 [2020-10-14 03:19:05,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:05,118 INFO L225 Difference]: With dead ends: 8692 [2020-10-14 03:19:05,118 INFO L226 Difference]: Without dead ends: 4622 [2020-10-14 03:19:05,127 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:19:05,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4622 states. [2020-10-14 03:19:05,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4622 to 4440. [2020-10-14 03:19:05,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4440 states. [2020-10-14 03:19:05,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4440 states to 4440 states and 4731 transitions. [2020-10-14 03:19:05,199 INFO L78 Accepts]: Start accepts. Automaton has 4440 states and 4731 transitions. Word has length 1016 [2020-10-14 03:19:05,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:05,200 INFO L479 AbstractCegarLoop]: Abstraction has 4440 states and 4731 transitions. [2020-10-14 03:19:05,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:19:05,201 INFO L276 IsEmpty]: Start isEmpty. Operand 4440 states and 4731 transitions. [2020-10-14 03:19:05,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1096 [2020-10-14 03:19:05,218 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:05,219 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:19:05,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 03:19:05,219 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:05,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:05,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1483102682, now seen corresponding path program 1 times [2020-10-14 03:19:05,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:05,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1409616919] [2020-10-14 03:19:05,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:05,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:05,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:07,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:09,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:10,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:10,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1119 [2020-10-14 03:19:10,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:19:10,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-10-14 03:19:10,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:10,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:10,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:10,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 686 [2020-10-14 03:19:10,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:19:10,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:10,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:10,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:10,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:10,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:10,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:10,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:19:10,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:10,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:10,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:10,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:10,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:10,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:10,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:19:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:10,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:10,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:10,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:19:10,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:10,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 03:19:10,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:10,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:10,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:10,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:10,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:10,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:10,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:19:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:10,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:10,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:10,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:19:10,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:10,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:19:10,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:10,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:10,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:10,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:10,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:10,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:10,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:19:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:10,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:10,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:10,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:19:10,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:10,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:19:10,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:10,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:10,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:10,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:10,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:10,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:10,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:19:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:10,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:10,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:10,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 03:19:10,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:10,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:19:10,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:10,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:10,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:10,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:10,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:10,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:10,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 03:19:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:10,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:10,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:10,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 03:19:10,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:10,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-14 03:19:10,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:10,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:10,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:10,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:10,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-10-14 03:19:10,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:10,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2020-10-14 03:19:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:10,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:11,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:11,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:19:11,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:11,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-14 03:19:11,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:11,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:11,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:11,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:19:11,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:19:11,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:11,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 855 [2020-10-14 03:19:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:11,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:11,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:11,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:19:11,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:11,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 03:19:11,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:11,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:11,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:11,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 03:19:11,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:11,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:11,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 982 [2020-10-14 03:19:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:11,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:11,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:11,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 03:19:11,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:11,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:19:11,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:11,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:11,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:11,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-14 03:19:11,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:11,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:11,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3382 backedges. 1033 proven. 197 refuted. 0 times theorem prover too weak. 2152 trivial. 0 not checked. [2020-10-14 03:19:11,742 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1409616919] [2020-10-14 03:19:11,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:19:11,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:19:11,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080336638] [2020-10-14 03:19:11,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:19:11,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:11,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:19:11,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:19:11,743 INFO L87 Difference]: Start difference. First operand 4440 states and 4731 transitions. Second operand 7 states. [2020-10-14 03:19:13,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:13,066 INFO L93 Difference]: Finished difference Result 8878 states and 9462 transitions. [2020-10-14 03:19:13,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 03:19:13,066 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1095 [2020-10-14 03:19:13,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:13,080 INFO L225 Difference]: With dead ends: 8878 [2020-10-14 03:19:13,081 INFO L226 Difference]: Without dead ends: 4626 [2020-10-14 03:19:13,089 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-14 03:19:13,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4626 states. [2020-10-14 03:19:13,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4626 to 4624. [2020-10-14 03:19:13,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4624 states. [2020-10-14 03:19:13,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4624 states to 4624 states and 4842 transitions. [2020-10-14 03:19:13,157 INFO L78 Accepts]: Start accepts. Automaton has 4624 states and 4842 transitions. Word has length 1095 [2020-10-14 03:19:13,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:13,159 INFO L479 AbstractCegarLoop]: Abstraction has 4624 states and 4842 transitions. [2020-10-14 03:19:13,159 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:19:13,159 INFO L276 IsEmpty]: Start isEmpty. Operand 4624 states and 4842 transitions. [2020-10-14 03:19:13,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1098 [2020-10-14 03:19:13,176 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:13,176 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:19:13,177 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 03:19:13,177 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:13,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:13,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1467967182, now seen corresponding path program 1 times [2020-10-14 03:19:13,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:13,178 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [199041993] [2020-10-14 03:19:13,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:13,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:13,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:16,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:17,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:18,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:18,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1123 [2020-10-14 03:19:18,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:19:18,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5112 [2020-10-14 03:19:18,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:18,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:18,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:18,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1076 [2020-10-14 03:19:18,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-14 03:19:18,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:18,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:18,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:18,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:18,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:18,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:18,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:19:18,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:18,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:18,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:18,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:18,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:18,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:18,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:19:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:18,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:18,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:18,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:19:18,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:18,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 03:19:18,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:18,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:18,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:18,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:18,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:18,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:18,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:19:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:18,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:18,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:18,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:19:18,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:18,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:19:18,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:18,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:18,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:18,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:18,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:18,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:18,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:19:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:18,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:18,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:18,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:19:18,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:18,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:19:18,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:18,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:18,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:18,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:18,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:18,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:18,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:19:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:18,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:18,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:18,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:19:18,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:18,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:19:18,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:18,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:18,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:18,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:18,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:18,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:18,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:19:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:18,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:18,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:18,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:19:18,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:18,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 03:19:18,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:18,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:18,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:18,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:18,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:18,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:18,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:19:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:18,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:18,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:18,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:19:18,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:18,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:19:18,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:18,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:18,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:18,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:18,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:18,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:18,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:19:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:18,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:18,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:18,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:19:18,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:18,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 03:19:18,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:18,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:18,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:18,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:18,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:18,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:18,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:19:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:18,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:18,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:18,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:19:18,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:18,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:19:18,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:18,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:18,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:18,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:18,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:18,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:19,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 984 [2020-10-14 03:19:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:19,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:19,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:19,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 03:19:19,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:19,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:19:19,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:19,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:19,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:19,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:19,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 03:19:19,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:19,525 INFO L134 CoverageAnalysis]: Checked inductivity of 3737 backedges. 375 proven. 9 refuted. 0 times theorem prover too weak. 3353 trivial. 0 not checked. [2020-10-14 03:19:19,526 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [199041993] [2020-10-14 03:19:19,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:19:19,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:19:19,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42870485] [2020-10-14 03:19:19,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:19:19,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:19,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:19:19,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:19:19,528 INFO L87 Difference]: Start difference. First operand 4624 states and 4842 transitions. Second operand 5 states. [2020-10-14 03:19:20,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:20,542 INFO L93 Difference]: Finished difference Result 9054 states and 9493 transitions. [2020-10-14 03:19:20,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:19:20,543 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1097 [2020-10-14 03:19:20,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:20,544 INFO L225 Difference]: With dead ends: 9054 [2020-10-14 03:19:20,544 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 03:19:20,557 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:19:20,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 03:19:20,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 03:19:20,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 03:19:20,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 03:19:20,558 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1097 [2020-10-14 03:19:20,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:20,559 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 03:19:20,559 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:19:20,559 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 03:19:20,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 03:19:20,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 03:19:20,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 03:19:21,322 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 162 [2020-10-14 03:19:21,731 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 162 [2020-10-14 03:19:23,242 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 192 DAG size of output: 84 [2020-10-14 03:19:24,108 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 62 [2020-10-14 03:19:24,921 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 62 [2020-10-14 03:19:24,925 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:19:24,925 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-14 03:19:24,925 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:19:24,925 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-14 03:19:24,925 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-14 03:19:24,926 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,926 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,926 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,926 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-14 03:19:24,926 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 03:19:24,926 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 03:19:24,926 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 03:19:24,926 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-14 03:19:24,926 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-14 03:19:24,926 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-14 03:19:24,926 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-14 03:19:24,927 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,927 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,927 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,927 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-14 03:19:24,927 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-14 03:19:24,927 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 03:19:24,928 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 03:19:24,928 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 03:19:24,928 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-14 03:19:24,928 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-14 03:19:24,928 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-14 03:19:24,928 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,928 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,928 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,928 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-14 03:19:24,928 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 03:19:24,929 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 03:19:24,929 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 03:19:24,929 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-14 03:19:24,929 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-14 03:19:24,929 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-14 03:19:24,929 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-14 03:19:24,929 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-14 03:19:24,929 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,929 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,929 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,930 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-14 03:19:24,930 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 03:19:24,930 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 03:19:24,930 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 03:19:24,930 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-14 03:19:24,930 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-14 03:19:24,930 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-14 03:19:24,930 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,930 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,930 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,931 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-14 03:19:24,931 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 03:19:24,932 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 03:19:24,932 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 03:19:24,932 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-14 03:19:24,932 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-14 03:19:24,932 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-14 03:19:24,932 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-14 03:19:24,933 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-14 03:19:24,933 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,933 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,933 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,933 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,934 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-14 03:19:24,936 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 03:19:24,936 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 03:19:24,936 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 03:19:24,936 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-14 03:19:24,936 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-14 03:19:24,936 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-14 03:19:24,937 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-14 03:19:24,937 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,937 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,937 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,937 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 03:19:24,937 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 03:19:24,937 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 03:19:24,937 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-14 03:19:24,937 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-14 03:19:24,938 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-14 03:19:24,938 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-14 03:19:24,938 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-14 03:19:24,938 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,938 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,938 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,938 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-14 03:19:24,938 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-14 03:19:24,939 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 03:19:24,939 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 03:19:24,939 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 03:19:24,939 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-14 03:19:24,939 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse13 (= ~a21~0 |old(~a21~0)|)) (.cse9 (not (<= 9 |old(~a15~0)|))) (.cse11 (not (<= 81 |old(~a12~0)|))) (.cse6 (not (<= 10 |old(~a21~0)|))) (.cse2 (= |old(~a15~0)| |old(~a21~0)|)) (.cse16 (not (= 5 |old(~a15~0)|))) (.cse17 (= ~a24~0 |old(~a24~0)|)) (.cse14 (= ~a12~0 |old(~a12~0)|)) (.cse15 (= ~a15~0 |old(~a15~0)|))) (let ((.cse8 (and .cse17 (= ~a21~0 8) .cse14 .cse15)) (.cse10 (not (= 8 |old(~a21~0)|))) (.cse5 (and (or .cse9 .cse11 .cse6 .cse2) (or .cse2 .cse16))) (.cse1 (not (= 8 |old(~a15~0)|))) (.cse3 (and .cse17 .cse13 (= ~a15~0 8) .cse14)) (.cse7 (not (<= |old(~a12~0)| 76))) (.cse0 (and .cse17 .cse13 .cse14 .cse15)) (.cse12 (not (<= 12 |old(~a12~0)|))) (.cse4 (not (<= |old(~a21~0)| 6)))) (and (or .cse0 (not (<= (+ |old(~a15~0)| 3) |old(~a21~0)|))) (or (not (<= |old(~a12~0)| 1)) .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5) (or .cse6 .cse0 .cse2 .cse7) (or .cse8 .cse9 .cse10) (or .cse11 .cse6 .cse1 .cse3) (or .cse8 .cse10 .cse12) (or .cse0 .cse12 .cse5) (or .cse0 (not (= 7 |old(~a15~0)|))) (or (not (= |old(~a24~0)| 1)) (and .cse13 (= ~a24~0 1) .cse14 .cse15) .cse16) (or .cse9 .cse12 (not (<= 7 |old(~a21~0)|)) (and (<= ~a21~0 7) (<= 7 ~a21~0) .cse17 .cse14 .cse15) (not (<= |old(~a21~0)| 7))) (or .cse1 .cse12 .cse3 .cse7) (or .cse9 .cse11 .cse0) (or .cse0 .cse12 .cse4)))) [2020-10-14 03:19:24,940 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-14 03:19:24,940 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-14 03:19:24,940 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,940 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,940 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,940 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 03:19:24,940 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 03:19:24,940 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 03:19:24,940 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-14 03:19:24,941 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-14 03:19:24,941 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-14 03:19:24,941 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-14 03:19:24,941 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-14 03:19:24,941 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,941 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,941 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,941 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-14 03:19:24,941 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-14 03:19:24,941 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 03:19:24,942 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 03:19:24,942 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 03:19:24,942 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-14 03:19:24,942 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-14 03:19:24,942 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-14 03:19:24,942 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,942 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,942 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,942 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-14 03:19:24,942 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 03:19:24,943 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 03:19:24,943 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 03:19:24,943 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-14 03:19:24,943 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-14 03:19:24,943 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-14 03:19:24,943 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-14 03:19:24,943 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,943 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,943 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,943 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-14 03:19:24,944 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 03:19:24,944 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 03:19:24,944 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 03:19:24,944 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-14 03:19:24,944 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-14 03:19:24,944 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-14 03:19:24,944 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-14 03:19:24,944 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,944 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,944 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-14 03:19:24,945 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 03:19:24,945 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 03:19:24,945 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-14 03:19:24,945 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-14 03:19:24,945 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-14 03:19:24,945 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-14 03:19:24,945 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-14 03:19:24,945 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 127) no Hoare annotation was computed. [2020-10-14 03:19:24,946 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,946 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,946 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-14 03:19:24,946 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 03:19:24,946 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 03:19:24,946 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-14 03:19:24,946 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-14 03:19:24,946 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-14 03:19:24,946 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,946 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,947 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-14 03:19:24,947 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-14 03:19:24,947 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 03:19:24,947 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 03:19:24,947 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-14 03:19:24,947 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-14 03:19:24,947 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-14 03:19:24,947 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-14 03:19:24,947 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,947 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,947 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-14 03:19:24,948 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-14 03:19:24,948 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 03:19:24,948 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 03:19:24,948 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-14 03:19:24,948 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-14 03:19:24,948 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-14 03:19:24,948 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,948 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,948 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,948 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-14 03:19:24,949 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-14 03:19:24,949 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 03:19:24,949 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 03:19:24,949 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-14 03:19:24,949 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-14 03:19:24,949 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,949 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,949 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 03:19:24,949 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,949 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-14 03:19:24,949 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-14 03:19:24,950 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-14 03:19:24,950 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 03:19:24,950 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 03:19:24,950 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 03:19:24,950 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-14 03:19:24,950 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-14 03:19:24,950 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-14 03:19:24,950 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-14 03:19:24,950 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,951 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,951 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,951 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-14 03:19:24,951 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 03:19:24,951 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 03:19:24,951 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 03:19:24,951 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-14 03:19:24,951 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-14 03:19:24,951 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-14 03:19:24,952 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-14 03:19:24,952 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,952 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,952 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,952 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-14 03:19:24,952 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-14 03:19:24,952 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 03:19:24,952 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 03:19:24,952 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 03:19:24,952 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-14 03:19:24,953 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-14 03:19:24,953 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-14 03:19:24,953 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,953 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,953 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,953 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-14 03:19:24,953 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 03:19:24,953 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 03:19:24,953 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 03:19:24,953 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-14 03:19:24,954 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-14 03:19:24,954 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-14 03:19:24,954 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-14 03:19:24,954 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-14 03:19:24,954 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,954 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,954 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:19:24,954 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-14 03:19:24,954 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 03:19:24,954 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 03:19:24,955 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 03:19:24,955 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-14 03:19:24,955 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:19:24,955 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a21~0 7) (<= 7 ~a21~0) (= ~a15~0 8) (<= (+ ~a12~0 43) 0)) [2020-10-14 03:19:24,955 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 03:19:24,955 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:19:24,955 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 8 |old(~a15~0)|)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 7)) (and (<= ~a21~0 7) (<= 7 ~a21~0) (= ~a24~0 |old(~a24~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|)) (not (<= (+ |old(~a12~0)| 43) 0))) [2020-10-14 03:19:24,955 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:19:24,956 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (= 5 ~a15~0)) (.cse6 (<= 81 ~a12~0)) (.cse3 (<= 9 ~a15~0)) (.cse7 (<= 10 ~a21~0)) (.cse9 (<= ~a12~0 76)) (.cse5 (<= ~a21~0 6)) (.cse1 (<= 12 ~a12~0)) (.cse4 (= ~a21~0 8)) (.cse8 (= ~a15~0 8)) (.cse2 (not (= ~a21~0 ~a15~0)))) (or (and .cse0 .cse1 .cse2) (not (= 8 |old(~a15~0)|)) (and (<= ~a21~0 7) .cse1 .cse3) (not (<= |old(~a21~0)| 7)) (and .cse3 .cse4) (and .cse0 .cse2 .cse5) (and .cse0 (= ~a24~0 1)) (<= (+ ~a15~0 3) ~a21~0) (= 7 ~a15~0) (and .cse6 .cse7) (and .cse6 .cse3) (and .cse1 .cse8 .cse2 .cse9) (not (<= 7 |old(~a21~0)|)) (and .cse7 .cse2 .cse9) (and .cse1 .cse5) (and .cse1 .cse4) (not (<= (+ |old(~a12~0)| 43) 0)) (and (<= ~a12~0 1) .cse8 .cse2))) [2020-10-14 03:19:24,956 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-14 03:19:24,956 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-14 03:19:24,956 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (= 5 ~a15~0)) (.cse6 (<= 81 ~a12~0)) (.cse3 (<= 9 ~a15~0)) (.cse7 (<= 10 ~a21~0)) (.cse9 (<= ~a12~0 76)) (.cse5 (<= ~a21~0 6)) (.cse1 (<= 12 ~a12~0)) (.cse4 (= ~a21~0 8)) (.cse8 (= ~a15~0 8)) (.cse2 (not (= ~a21~0 ~a15~0)))) (or (and .cse0 .cse1 .cse2) (not (= 8 |old(~a15~0)|)) (and (<= ~a21~0 7) .cse1 .cse3) (not (<= |old(~a21~0)| 7)) (and .cse3 .cse4) (and .cse0 .cse2 .cse5) (and .cse0 (= ~a24~0 1)) (<= (+ ~a15~0 3) ~a21~0) (= 7 ~a15~0) (and .cse6 .cse7) (and .cse6 .cse3) (and .cse1 .cse8 .cse2 .cse9) (not (<= 7 |old(~a21~0)|)) (and .cse7 .cse2 .cse9) (and .cse1 .cse5) (and .cse1 .cse4) (not (<= (+ |old(~a12~0)| 43) 0)) (and (<= ~a12~0 1) .cse8 .cse2))) [2020-10-14 03:19:24,957 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:19:24,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 03:19:24 BoogieIcfgContainer [2020-10-14 03:19:24,987 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 03:19:24,989 INFO L168 Benchmark]: Toolchain (without parser) took 111651.55 ms. Allocated memory was 146.8 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 100.2 MB in the beginning and 307.3 MB in the end (delta: -207.1 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2020-10-14 03:19:24,989 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 146.8 MB. Free memory was 120.1 MB in the beginning and 119.7 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-14 03:19:24,990 INFO L168 Benchmark]: CACSL2BoogieTranslator took 823.11 ms. Allocated memory was 146.8 MB in the beginning and 205.5 MB in the end (delta: 58.7 MB). Free memory was 99.7 MB in the beginning and 168.0 MB in the end (delta: -68.3 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. [2020-10-14 03:19:24,991 INFO L168 Benchmark]: Boogie Preprocessor took 189.00 ms. Allocated memory is still 205.5 MB. Free memory was 168.0 MB in the beginning and 161.9 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. [2020-10-14 03:19:24,991 INFO L168 Benchmark]: RCFGBuilder took 1809.08 ms. Allocated memory was 205.5 MB in the beginning and 237.5 MB in the end (delta: 32.0 MB). Free memory was 161.9 MB in the beginning and 154.6 MB in the end (delta: 7.3 MB). Peak memory consumption was 77.2 MB. Max. memory is 7.1 GB. [2020-10-14 03:19:24,992 INFO L168 Benchmark]: TraceAbstraction took 108824.80 ms. Allocated memory was 237.5 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 152.9 MB in the beginning and 307.3 MB in the end (delta: -154.4 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2020-10-14 03:19:24,996 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 146.8 MB. Free memory was 120.1 MB in the beginning and 119.7 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 823.11 ms. Allocated memory was 146.8 MB in the beginning and 205.5 MB in the end (delta: 58.7 MB). Free memory was 99.7 MB in the beginning and 168.0 MB in the end (delta: -68.3 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 189.00 ms. Allocated memory is still 205.5 MB. Free memory was 168.0 MB in the beginning and 161.9 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1809.08 ms. Allocated memory was 205.5 MB in the beginning and 237.5 MB in the end (delta: 32.0 MB). Free memory was 161.9 MB in the beginning and 154.6 MB in the end (delta: 7.3 MB). Peak memory consumption was 77.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 108824.80 ms. Allocated memory was 237.5 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 152.9 MB in the beginning and 307.3 MB in the end (delta: -154.4 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 127]: 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: ((((((((((((((((((5 == a15 && 12 <= a12) && !(a21 == a15)) || !(8 == \old(a15))) || ((a21 <= 7 && 12 <= a12) && 9 <= a15)) || !(\old(a21) <= 7)) || (9 <= a15 && a21 == 8)) || ((5 == a15 && !(a21 == a15)) && a21 <= 6)) || (5 == a15 && a24 == 1)) || a15 + 3 <= a21) || 7 == a15) || (81 <= a12 && 10 <= a21)) || (81 <= a12 && 9 <= a15)) || (((12 <= a12 && a15 == 8) && !(a21 == a15)) && a12 <= 76)) || !(7 <= \old(a21))) || ((10 <= a21 && !(a21 == a15)) && a12 <= 76)) || (12 <= a12 && a21 <= 6)) || (12 <= a12 && a21 == 8)) || !(\old(a12) + 43 <= 0)) || ((a12 <= 1 && a15 == 8) && !(a21 == a15)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 104.3s, OverallIterations: 16, TraceHistogramMax: 10, AutomataDifference: 22.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 477 SDtfs, 8082 SDslu, 605 SDs, 0 SdLazy, 14716 SolverSat, 1229 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 312 GetRequests, 193 SyntacticMatches, 4 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4624occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 16 MinimizatonAttempts, 1360 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 219 PreInvPairs, 287 NumberOfFragments, 726 HoareAnnotationTreeSize, 219 FomulaSimplifications, 3362212 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 11780 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 75.3s InterpolantComputationTime, 7944 NumberOfCodeBlocks, 7944 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 7928 ConstructedInterpolants, 0 QuantifiedInterpolants, 11580043 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 1 PerfectInterpolantSequences, 14134/15638 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...