/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label01.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:45:38,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:45:38,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:45:38,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:45:38,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:45:38,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:45:38,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:45:38,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:45:38,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:45:38,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:45:38,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:45:38,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:45:38,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:45:38,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:45:38,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:45:38,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:45:38,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:45:38,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:45:38,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:45:38,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:45:38,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:45:38,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:45:38,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:45:38,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:45:38,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:45:38,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:45:38,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:45:38,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:45:38,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:45:38,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:45:38,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:45:38,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:45:38,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:45:38,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:45:38,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:45:38,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:45:38,854 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:45:38,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:45:38,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:45:38,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:45:38,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:45:38,857 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 08:45:38,880 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:45:38,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:45:38,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:45:38,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:45:38,883 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:45:38,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:45:38,883 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:45:38,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:45:38,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:45:38,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:45:38,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:45:38,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:45:38,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:45:38,885 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:45:38,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:45:38,885 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:45:38,885 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:45:38,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:45:38,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:45:38,886 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:45:38,886 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:45:38,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:45:38,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:45:38,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:45:38,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:45:38,887 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:45:38,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:45:38,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:45:38,888 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:45:38,888 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 08:45:39,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:45:39,253 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:45:39,256 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:45:39,258 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:45:39,259 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:45:39,259 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label01.c [2020-10-13 08:45:39,324 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7554b8048/b6b488582f734c8686fc61876c69f8da/FLAG766d14d0d [2020-10-13 08:45:39,957 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:45:39,958 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label01.c [2020-10-13 08:45:39,971 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7554b8048/b6b488582f734c8686fc61876c69f8da/FLAG766d14d0d [2020-10-13 08:45:40,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7554b8048/b6b488582f734c8686fc61876c69f8da [2020-10-13 08:45:40,217 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:45:40,219 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:45:40,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:45:40,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:45:40,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:45:40,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:45:40" (1/1) ... [2020-10-13 08:45:40,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a7e2148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:45:40, skipping insertion in model container [2020-10-13 08:45:40,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:45:40" (1/1) ... [2020-10-13 08:45:40,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:45:40,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:45:40,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:45:40,996 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:45:41,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:45:41,274 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:45:41,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:45:41 WrapperNode [2020-10-13 08:45:41,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:45:41,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:45:41,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:45:41,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:45:41,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:45:41" (1/1) ... [2020-10-13 08:45:41,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:45:41" (1/1) ... [2020-10-13 08:45:41,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:45:41" (1/1) ... [2020-10-13 08:45:41,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:45:41" (1/1) ... [2020-10-13 08:45:41,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:45:41" (1/1) ... [2020-10-13 08:45:41,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:45:41" (1/1) ... [2020-10-13 08:45:41,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:45:41" (1/1) ... [2020-10-13 08:45:41,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:45:41,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:45:41,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:45:41,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:45:41,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:45:41" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:45:41,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:45:41,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:45:41,577 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:45:41,578 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:45:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:45:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:45:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:45:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:45:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:45:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:45:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:45:43,247 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:45:43,248 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:45:43,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:45:43 BoogieIcfgContainer [2020-10-13 08:45:43,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:45:43,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:45:43,257 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:45:43,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:45:43,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:45:40" (1/3) ... [2020-10-13 08:45:43,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce4327b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:45:43, skipping insertion in model container [2020-10-13 08:45:43,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:45:41" (2/3) ... [2020-10-13 08:45:43,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce4327b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:45:43, skipping insertion in model container [2020-10-13 08:45:43,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:45:43" (3/3) ... [2020-10-13 08:45:43,265 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label01.c [2020-10-13 08:45:43,277 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:45:43,287 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:45:43,303 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:45:43,333 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:45:43,334 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:45:43,334 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:45:43,334 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:45:43,334 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:45:43,334 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:45:43,335 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:45:43,335 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:45:43,362 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-13 08:45:43,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-13 08:45:43,372 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:45:43,373 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:45:43,374 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:45:43,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:45:43,381 INFO L82 PathProgramCache]: Analyzing trace with hash -184228989, now seen corresponding path program 1 times [2020-10-13 08:45:43,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:45:43,392 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2061042638] [2020-10-13 08:45:43,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:45:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:45:43,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:45:44,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:45:44,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-13 08:45:44,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:45:44,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 492 [2020-10-13 08:45:44,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:45:44,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:45:44,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:45:44,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-13 08:45:44,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 08:45:44,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:45:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:45:44,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:45:44,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:45:44,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:45:44,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:45:44,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 08:45:44,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:45:44,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:45:44,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:45:44,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:45:44,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:45:44,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:45:44,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2061042638] [2020-10-13 08:45:44,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:45:44,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 08:45:44,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208774350] [2020-10-13 08:45:44,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 08:45:44,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:45:44,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 08:45:44,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 08:45:44,321 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2020-10-13 08:45:46,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:45:46,370 INFO L93 Difference]: Finished difference Result 698 states and 1240 transitions. [2020-10-13 08:45:46,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:45:46,372 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2020-10-13 08:45:46,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:45:46,394 INFO L225 Difference]: With dead ends: 698 [2020-10-13 08:45:46,394 INFO L226 Difference]: Without dead ends: 380 [2020-10-13 08:45:46,404 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:45:46,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-13 08:45:46,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2020-10-13 08:45:46,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-13 08:45:46,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 552 transitions. [2020-10-13 08:45:46,520 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 552 transitions. Word has length 60 [2020-10-13 08:45:46,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:45:46,521 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 552 transitions. [2020-10-13 08:45:46,521 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 08:45:46,521 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 552 transitions. [2020-10-13 08:45:46,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-13 08:45:46,528 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:45:46,528 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:45:46,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:45:46,529 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:45:46,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:45:46,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1367945421, now seen corresponding path program 1 times [2020-10-13 08:45:46,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:45:46,530 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1343616046] [2020-10-13 08:45:46,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:45:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:45:46,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:45:46,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:45:47,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:45:47,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:45:47,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-13 08:45:47,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:45:47,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1307 [2020-10-13 08:45:47,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:45:47,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:45:47,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-13 08:45:47,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-13 08:45:47,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:45:48,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:45:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:45:48,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:45:48,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:45:48,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:45:48,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:45:48,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:45:48,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:45:48,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:45:48,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:45:48,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:45:48,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:45:48,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:45:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:45:48,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:45:48,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:45:48,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 08:45:48,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:45:48,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-13 08:45:48,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:45:48,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:45:48,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:45:48,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 08:45:48,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:45:48,227 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:45:48,235 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1343616046] [2020-10-13 08:45:48,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:45:48,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:45:48,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659671934] [2020-10-13 08:45:48,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:45:48,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:45:48,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:45:48,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:45:48,241 INFO L87 Difference]: Start difference. First operand 376 states and 552 transitions. Second operand 5 states. [2020-10-13 08:45:49,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:45:49,467 INFO L93 Difference]: Finished difference Result 783 states and 1143 transitions. [2020-10-13 08:45:49,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:45:49,467 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2020-10-13 08:45:49,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:45:49,473 INFO L225 Difference]: With dead ends: 783 [2020-10-13 08:45:49,473 INFO L226 Difference]: Without dead ends: 380 [2020-10-13 08:45:49,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:45:49,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-13 08:45:49,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2020-10-13 08:45:49,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-13 08:45:49,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 506 transitions. [2020-10-13 08:45:49,503 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 506 transitions. Word has length 129 [2020-10-13 08:45:49,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:45:49,503 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 506 transitions. [2020-10-13 08:45:49,504 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:45:49,504 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 506 transitions. [2020-10-13 08:45:49,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-13 08:45:49,507 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:45:49,507 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:45:49,508 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:45:49,508 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:45:49,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:45:49,508 INFO L82 PathProgramCache]: Analyzing trace with hash -343930875, now seen corresponding path program 1 times [2020-10-13 08:45:49,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:45:49,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [697403709] [2020-10-13 08:45:49,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:45:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:45:49,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:45:49,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:45:50,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:45:51,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:45:51,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-13 08:45:51,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:45:51,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1529 [2020-10-13 08:45:51,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:45:51,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:45:51,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-13 08:45:51,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-13 08:45:51,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:45:51,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:45:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:45:51,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:45:51,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:45:51,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:45:51,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:45:51,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:45:51,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:45:51,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:45:51,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:45:51,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:45:51,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:45:51,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:45:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:45:51,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:45:51,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:45:51,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:45:51,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:45:51,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-13 08:45:51,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:45:51,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:45:51,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:45:51,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:45:51,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:45:51,421 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:45:51,422 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [697403709] [2020-10-13 08:45:51,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:45:51,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:45:51,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114811316] [2020-10-13 08:45:51,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:45:51,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:45:51,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:45:51,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:45:51,425 INFO L87 Difference]: Start difference. First operand 376 states and 506 transitions. Second operand 8 states. [2020-10-13 08:45:52,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:45:52,851 INFO L93 Difference]: Finished difference Result 832 states and 1105 transitions. [2020-10-13 08:45:52,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 08:45:52,852 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 133 [2020-10-13 08:45:52,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:45:52,860 INFO L225 Difference]: With dead ends: 832 [2020-10-13 08:45:52,860 INFO L226 Difference]: Without dead ends: 380 [2020-10-13 08:45:52,864 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:45:52,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-13 08:45:52,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2020-10-13 08:45:52,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-13 08:45:52,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 438 transitions. [2020-10-13 08:45:52,889 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 438 transitions. Word has length 133 [2020-10-13 08:45:52,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:45:52,890 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 438 transitions. [2020-10-13 08:45:52,890 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:45:52,890 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 438 transitions. [2020-10-13 08:45:52,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-10-13 08:45:52,894 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:45:52,895 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:45:52,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:45:52,896 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:45:52,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:45:52,896 INFO L82 PathProgramCache]: Analyzing trace with hash -782087343, now seen corresponding path program 1 times [2020-10-13 08:45:52,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:45:52,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [591541690] [2020-10-13 08:45:52,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:45:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:45:53,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:45:53,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:45:54,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:45:57,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:45:57,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-10-13 08:45:57,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:45:57,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4057 [2020-10-13 08:45:57,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:45:57,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:45:57,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-10-13 08:45:57,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-13 08:45:57,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:45:57,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:45:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:45:57,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:45:57,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:45:57,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:45:57,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:45:57,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:45:57,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:45:57,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:45:57,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:45:57,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:45:57,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:45:57,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:45:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:45:57,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:45:57,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:45:57,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:45:57,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:45:57,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-13 08:45:57,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:45:57,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:45:57,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:45:57,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-13 08:45:57,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:45:57,484 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:45:57,484 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [591541690] [2020-10-13 08:45:57,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:45:57,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:45:57,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510145767] [2020-10-13 08:45:57,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:45:57,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:45:57,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:45:57,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:45:57,487 INFO L87 Difference]: Start difference. First operand 376 states and 438 transitions. Second operand 5 states. [2020-10-13 08:45:58,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:45:58,955 INFO L93 Difference]: Finished difference Result 934 states and 1117 transitions. [2020-10-13 08:45:58,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:45:58,956 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 239 [2020-10-13 08:45:58,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:45:58,961 INFO L225 Difference]: With dead ends: 934 [2020-10-13 08:45:58,961 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:45:58,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:45:58,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:45:58,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:45:58,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:45:58,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 665 transitions. [2020-10-13 08:45:58,994 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 665 transitions. Word has length 239 [2020-10-13 08:45:58,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:45:58,998 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 665 transitions. [2020-10-13 08:45:58,998 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:45:58,998 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 665 transitions. [2020-10-13 08:45:59,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-10-13 08:45:59,013 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:45:59,014 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 08:45:59,014 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:45:59,014 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:45:59,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:45:59,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1648736940, now seen corresponding path program 1 times [2020-10-13 08:45:59,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:45:59,015 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [218993341] [2020-10-13 08:45:59,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:45:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:45:59,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:45:59,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:45:59,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:45:59,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:04,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:04,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 325 [2020-10-13 08:46:04,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:46:04,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-13 08:46:04,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:04,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:46:04,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 265 [2020-10-13 08:46:04,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 08:46:04,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:46:04,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:46:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:04,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:04,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:04,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:46:04,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:04,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 08:46:04,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:04,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:04,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:04,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:04,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:04,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:46:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:04,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:04,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:04,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:46:04,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:04,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-13 08:46:04,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:04,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:04,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:04,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:04,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:04,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:46:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:04,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:04,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:04,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 08:46:04,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:04,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-13 08:46:04,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:04,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:46:04,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:04,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 08:46:04,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:46:04,789 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-13 08:46:04,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [218993341] [2020-10-13 08:46:04,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:46:04,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:46:04,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435271214] [2020-10-13 08:46:04,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:46:04,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:46:04,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:46:04,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:46:04,793 INFO L87 Difference]: Start difference. First operand 560 states and 665 transitions. Second operand 5 states. [2020-10-13 08:46:05,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:46:05,782 INFO L93 Difference]: Finished difference Result 1136 states and 1355 transitions. [2020-10-13 08:46:05,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:46:05,783 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 313 [2020-10-13 08:46:05,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:46:05,787 INFO L225 Difference]: With dead ends: 1136 [2020-10-13 08:46:05,788 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:46:05,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:46:05,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:46:05,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:46:05,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:46:05,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 663 transitions. [2020-10-13 08:46:05,814 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 663 transitions. Word has length 313 [2020-10-13 08:46:05,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:46:05,816 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 663 transitions. [2020-10-13 08:46:05,816 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:46:05,816 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 663 transitions. [2020-10-13 08:46:05,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-10-13 08:46:05,825 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:46:05,825 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2020-10-13 08:46:05,826 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:46:05,826 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:46:05,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:46:05,827 INFO L82 PathProgramCache]: Analyzing trace with hash 492150464, now seen corresponding path program 1 times [2020-10-13 08:46:05,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:46:05,828 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [807359030] [2020-10-13 08:46:05,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:46:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:05,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:06,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:06,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:07,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:08,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:10,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:10,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 331 [2020-10-13 08:46:10,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:46:10,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-13 08:46:10,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:10,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:46:10,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 271 [2020-10-13 08:46:10,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-13 08:46:10,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:46:11,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:46:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:11,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:11,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:11,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:46:11,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:11,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:46:11,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:11,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:11,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:11,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:11,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:11,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:46:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:11,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:11,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:11,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:46:11,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:11,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-13 08:46:11,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:11,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:11,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:11,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:11,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:11,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:46:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:11,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:11,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:11,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 08:46:11,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:11,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-13 08:46:11,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:11,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:46:11,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:11,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-13 08:46:11,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:11,485 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-13 08:46:11,485 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [807359030] [2020-10-13 08:46:11,486 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:46:11,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:46:11,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149865434] [2020-10-13 08:46:11,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:46:11,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:46:11,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:46:11,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:46:11,489 INFO L87 Difference]: Start difference. First operand 560 states and 663 transitions. Second operand 5 states. [2020-10-13 08:46:12,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:46:12,505 INFO L93 Difference]: Finished difference Result 1149 states and 1364 transitions. [2020-10-13 08:46:12,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:46:12,506 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 319 [2020-10-13 08:46:12,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:46:12,511 INFO L225 Difference]: With dead ends: 1149 [2020-10-13 08:46:12,511 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:46:12,514 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:46:12,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:46:12,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:46:12,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:46:12,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 661 transitions. [2020-10-13 08:46:12,536 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 661 transitions. Word has length 319 [2020-10-13 08:46:12,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:46:12,537 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 661 transitions. [2020-10-13 08:46:12,537 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:46:12,537 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 661 transitions. [2020-10-13 08:46:12,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2020-10-13 08:46:12,544 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:46:12,544 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:46:12,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:46:12,545 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:46:12,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:46:12,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1016481667, now seen corresponding path program 1 times [2020-10-13 08:46:12,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:46:12,546 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1495599595] [2020-10-13 08:46:12,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:46:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:12,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:12,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:13,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:13,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:17,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:17,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 334 [2020-10-13 08:46:17,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:46:17,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-13 08:46:17,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:17,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:46:17,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 274 [2020-10-13 08:46:17,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 08:46:17,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:46:17,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:46:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:17,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:17,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:17,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:46:17,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:17,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:46:17,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:17,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:17,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:17,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:17,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:46:17,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:46:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:17,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:17,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:17,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:46:17,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:17,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-13 08:46:17,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:17,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:17,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:17,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:17,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:17,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:46:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:17,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:18,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:18,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 08:46:18,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:18,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-13 08:46:18,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:18,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:46:18,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:18,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 08:46:18,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:46:18,253 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-13 08:46:18,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1495599595] [2020-10-13 08:46:18,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:46:18,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:46:18,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230410850] [2020-10-13 08:46:18,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:46:18,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:46:18,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:46:18,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:46:18,256 INFO L87 Difference]: Start difference. First operand 560 states and 661 transitions. Second operand 5 states. [2020-10-13 08:46:19,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:46:19,388 INFO L93 Difference]: Finished difference Result 1130 states and 1341 transitions. [2020-10-13 08:46:19,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:46:19,390 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 322 [2020-10-13 08:46:19,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:46:19,395 INFO L225 Difference]: With dead ends: 1130 [2020-10-13 08:46:19,396 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:46:19,399 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:46:19,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:46:19,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:46:19,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:46:19,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 659 transitions. [2020-10-13 08:46:19,427 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 659 transitions. Word has length 322 [2020-10-13 08:46:19,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:46:19,428 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 659 transitions. [2020-10-13 08:46:19,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:46:19,428 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 659 transitions. [2020-10-13 08:46:19,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-10-13 08:46:19,435 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:46:19,435 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:46:19,435 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:46:19,436 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:46:19,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:46:19,436 INFO L82 PathProgramCache]: Analyzing trace with hash -841123116, now seen corresponding path program 1 times [2020-10-13 08:46:19,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:46:19,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1023161708] [2020-10-13 08:46:19,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:46:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:19,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:19,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:21,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:21,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:24,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:24,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 337 [2020-10-13 08:46:24,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:46:24,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 08:46:24,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:24,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:46:24,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 277 [2020-10-13 08:46:24,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-13 08:46:24,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:24,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:46:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:24,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:24,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:24,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:46:24,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:24,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:46:24,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:24,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:24,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:24,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:24,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:46:24,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:46:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:24,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:24,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:24,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:46:24,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:24,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-13 08:46:24,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:24,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:24,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:24,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:24,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:24,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:46:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:24,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:24,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:24,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 08:46:24,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:24,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-13 08:46:24,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:24,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:46:24,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:24,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-13 08:46:24,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:46:25,167 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-13 08:46:25,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1023161708] [2020-10-13 08:46:25,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:46:25,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:46:25,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389259016] [2020-10-13 08:46:25,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:46:25,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:46:25,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:46:25,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:46:25,170 INFO L87 Difference]: Start difference. First operand 560 states and 659 transitions. Second operand 8 states. [2020-10-13 08:46:26,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:46:26,311 INFO L93 Difference]: Finished difference Result 1169 states and 1376 transitions. [2020-10-13 08:46:26,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 08:46:26,312 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 325 [2020-10-13 08:46:26,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:46:26,318 INFO L225 Difference]: With dead ends: 1169 [2020-10-13 08:46:26,318 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:46:26,321 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:46:26,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:46:26,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:46:26,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:46:26,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 655 transitions. [2020-10-13 08:46:26,348 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 655 transitions. Word has length 325 [2020-10-13 08:46:26,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:46:26,349 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 655 transitions. [2020-10-13 08:46:26,350 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:46:26,350 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 655 transitions. [2020-10-13 08:46:26,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2020-10-13 08:46:26,354 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:46:26,355 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:46:26,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:46:26,355 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:46:26,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:46:26,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1208176360, now seen corresponding path program 1 times [2020-10-13 08:46:26,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:46:26,357 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [521706245] [2020-10-13 08:46:26,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:46:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:26,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:26,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:26,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:31,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:31,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:31,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 343 [2020-10-13 08:46:31,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:46:31,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5066 [2020-10-13 08:46:31,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:31,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:46:31,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 283 [2020-10-13 08:46:31,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 08:46:31,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:46:31,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:46:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:31,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:31,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:31,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:46:31,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:31,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:46:31,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:31,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:31,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:31,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:31,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:46:31,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:46:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:31,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:31,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:31,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:46:31,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:31,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-13 08:46:31,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:31,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:31,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:31,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:31,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:46:31,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:46:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:31,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:31,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:31,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-13 08:46:31,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:31,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-13 08:46:31,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:31,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:46:31,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:31,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-13 08:46:31,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:32,133 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-13 08:46:32,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [521706245] [2020-10-13 08:46:32,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:46:32,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:46:32,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282626215] [2020-10-13 08:46:32,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:46:32,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:46:32,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:46:32,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:46:32,142 INFO L87 Difference]: Start difference. First operand 560 states and 655 transitions. Second operand 5 states. [2020-10-13 08:46:33,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:46:33,012 INFO L93 Difference]: Finished difference Result 1133 states and 1332 transitions. [2020-10-13 08:46:33,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:46:33,013 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 331 [2020-10-13 08:46:33,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:46:33,017 INFO L225 Difference]: With dead ends: 1133 [2020-10-13 08:46:33,017 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:46:33,020 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:46:33,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:46:33,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:46:33,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:46:33,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 653 transitions. [2020-10-13 08:46:33,039 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 653 transitions. Word has length 331 [2020-10-13 08:46:33,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:46:33,040 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 653 transitions. [2020-10-13 08:46:33,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:46:33,040 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 653 transitions. [2020-10-13 08:46:33,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2020-10-13 08:46:33,043 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:46:33,044 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:46:33,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:46:33,044 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:46:33,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:46:33,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1580314692, now seen corresponding path program 1 times [2020-10-13 08:46:33,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:46:33,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1412338582] [2020-10-13 08:46:33,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:46:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:33,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:33,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:34,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:34,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:37,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:37,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 345 [2020-10-13 08:46:37,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:46:37,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4847 [2020-10-13 08:46:37,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:37,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:46:37,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 285 [2020-10-13 08:46:37,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-13 08:46:37,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:38,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:46:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:38,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:38,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:38,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:46:38,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:38,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:46:38,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:38,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:38,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:38,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:38,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:38,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:46:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:38,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:38,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:38,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:46:38,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:38,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-13 08:46:38,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:38,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:38,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:38,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:38,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:38,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:46:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:38,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:38,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:38,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:46:38,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:38,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-13 08:46:38,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:38,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:46:38,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:38,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-13 08:46:38,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:38,526 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-13 08:46:38,527 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1412338582] [2020-10-13 08:46:38,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:46:38,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:46:38,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154549135] [2020-10-13 08:46:38,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:46:38,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:46:38,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:46:38,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:46:38,530 INFO L87 Difference]: Start difference. First operand 560 states and 653 transitions. Second operand 5 states. [2020-10-13 08:46:39,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:46:39,473 INFO L93 Difference]: Finished difference Result 1143 states and 1338 transitions. [2020-10-13 08:46:39,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:46:39,476 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 333 [2020-10-13 08:46:39,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:46:39,481 INFO L225 Difference]: With dead ends: 1143 [2020-10-13 08:46:39,481 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:46:39,483 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:46:39,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:46:39,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:46:39,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:46:39,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 651 transitions. [2020-10-13 08:46:39,508 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 651 transitions. Word has length 333 [2020-10-13 08:46:39,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:46:39,509 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 651 transitions. [2020-10-13 08:46:39,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:46:39,509 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 651 transitions. [2020-10-13 08:46:39,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-10-13 08:46:39,513 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:46:39,513 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:46:39,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:46:39,514 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:46:39,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:46:39,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1981653547, now seen corresponding path program 1 times [2020-10-13 08:46:39,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:46:39,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [497948416] [2020-10-13 08:46:39,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:46:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:39,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:39,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:39,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:40,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:44,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:44,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:44,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 346 [2020-10-13 08:46:44,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:46:44,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-13 08:46:44,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:44,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:46:44,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 286 [2020-10-13 08:46:44,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 08:46:44,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:44,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:46:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:44,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:44,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:44,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:46:44,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:44,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:46:44,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:44,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:44,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:44,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:44,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:44,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:46:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:44,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:44,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:44,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:46:44,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:44,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-13 08:46:44,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:44,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:44,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:44,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:44,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:44,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:46:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:44,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:44,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:44,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-13 08:46:44,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:44,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 08:46:44,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:44,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:46:44,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:44,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-13 08:46:44,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:44,922 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-10-13 08:46:44,922 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [497948416] [2020-10-13 08:46:44,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:46:44,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:46:44,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070653778] [2020-10-13 08:46:44,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:46:44,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:46:44,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:46:44,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:46:44,925 INFO L87 Difference]: Start difference. First operand 560 states and 651 transitions. Second operand 5 states. [2020-10-13 08:46:45,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:46:45,793 INFO L93 Difference]: Finished difference Result 1131 states and 1322 transitions. [2020-10-13 08:46:45,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:46:45,798 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 334 [2020-10-13 08:46:45,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:46:45,803 INFO L225 Difference]: With dead ends: 1131 [2020-10-13 08:46:45,803 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:46:45,806 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:46:45,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:46:45,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:46:45,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:46:45,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 649 transitions. [2020-10-13 08:46:45,827 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 649 transitions. Word has length 334 [2020-10-13 08:46:45,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:46:45,827 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 649 transitions. [2020-10-13 08:46:45,828 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:46:45,828 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 649 transitions. [2020-10-13 08:46:45,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2020-10-13 08:46:45,831 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:46:45,832 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:46:45,832 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 08:46:45,832 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:46:45,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:46:45,833 INFO L82 PathProgramCache]: Analyzing trace with hash 522256483, now seen corresponding path program 1 times [2020-10-13 08:46:45,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:46:45,833 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1614583869] [2020-10-13 08:46:45,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:46:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:45,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:46,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:47,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:47,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:48,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:48,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 350 [2020-10-13 08:46:48,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:46:48,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3103 [2020-10-13 08:46:48,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:48,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:46:49,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 290 [2020-10-13 08:46:49,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 08:46:49,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:46:49,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:46:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:49,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:49,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:49,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:46:49,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:49,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 08:46:49,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:49,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:49,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:49,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:49,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:46:49,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:46:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:49,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:49,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:49,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:46:49,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:49,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-13 08:46:49,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:49,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:49,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:49,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:49,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:49,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:46:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:49,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:49,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:49,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-13 08:46:49,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:49,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-13 08:46:49,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:49,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:46:49,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:49,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-13 08:46:49,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:49,606 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-10-13 08:46:49,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1614583869] [2020-10-13 08:46:49,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:46:49,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:46:49,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706284546] [2020-10-13 08:46:49,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:46:49,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:46:49,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:46:49,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:46:49,610 INFO L87 Difference]: Start difference. First operand 560 states and 649 transitions. Second operand 5 states. [2020-10-13 08:46:50,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:46:50,420 INFO L93 Difference]: Finished difference Result 1141 states and 1328 transitions. [2020-10-13 08:46:50,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:46:50,422 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 338 [2020-10-13 08:46:50,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:46:50,426 INFO L225 Difference]: With dead ends: 1141 [2020-10-13 08:46:50,426 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:46:50,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:46:50,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:46:50,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:46:50,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:46:50,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 647 transitions. [2020-10-13 08:46:50,459 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 647 transitions. Word has length 338 [2020-10-13 08:46:50,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:46:50,460 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 647 transitions. [2020-10-13 08:46:50,460 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:46:50,460 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 647 transitions. [2020-10-13 08:46:50,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2020-10-13 08:46:50,463 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:46:50,464 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:46:50,464 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 08:46:50,465 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:46:50,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:46:50,465 INFO L82 PathProgramCache]: Analyzing trace with hash 578411391, now seen corresponding path program 1 times [2020-10-13 08:46:50,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:46:50,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2094847929] [2020-10-13 08:46:50,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:46:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:50,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:50,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:52,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:52,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:54,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:54,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 352 [2020-10-13 08:46:54,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:46:54,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3722 [2020-10-13 08:46:54,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:54,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:46:54,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 292 [2020-10-13 08:46:54,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 08:46:54,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:54,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:46:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:54,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:54,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:54,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:46:54,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:54,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:46:54,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:54,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:54,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:54,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:54,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:54,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:46:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:54,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:54,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:54,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:46:54,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:54,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 08:46:54,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:54,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:54,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:54,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:54,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:54,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:46:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:54,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:54,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:54,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-13 08:46:54,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:54,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-13 08:46:54,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:54,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:46:54,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:54,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-13 08:46:54,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:54,607 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-13 08:46:54,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2094847929] [2020-10-13 08:46:54,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:46:54,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:46:54,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47641448] [2020-10-13 08:46:54,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:46:54,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:46:54,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:46:54,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:46:54,609 INFO L87 Difference]: Start difference. First operand 560 states and 647 transitions. Second operand 5 states. [2020-10-13 08:46:55,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:46:55,511 INFO L93 Difference]: Finished difference Result 1145 states and 1328 transitions. [2020-10-13 08:46:55,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:46:55,512 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 340 [2020-10-13 08:46:55,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:46:55,517 INFO L225 Difference]: With dead ends: 1145 [2020-10-13 08:46:55,517 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:46:55,519 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:46:55,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:46:55,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:46:55,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:46:55,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 645 transitions. [2020-10-13 08:46:55,541 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 645 transitions. Word has length 340 [2020-10-13 08:46:55,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:46:55,542 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 645 transitions. [2020-10-13 08:46:55,542 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:46:55,542 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 645 transitions. [2020-10-13 08:46:55,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-10-13 08:46:55,546 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:46:55,546 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:46:55,546 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 08:46:55,547 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:46:55,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:46:55,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1128324880, now seen corresponding path program 1 times [2020-10-13 08:46:55,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:46:55,548 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [363705806] [2020-10-13 08:46:55,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:46:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:55,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:55,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:56,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:56,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:58,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:58,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 355 [2020-10-13 08:46:58,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:46:58,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2849 [2020-10-13 08:46:58,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:58,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:46:58,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 295 [2020-10-13 08:46:58,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 08:46:58,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:58,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:46:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:58,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:58,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:58,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:46:58,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:58,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:46:58,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:58,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:58,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:58,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:58,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:58,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:46:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:58,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:58,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:58,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:46:58,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:58,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 08:46:58,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:58,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:58,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:58,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:58,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:58,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:46:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:58,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:58,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:58,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-13 08:46:58,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:58,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-13 08:46:58,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:58,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:46:58,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:58,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-13 08:46:58,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:58,833 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-10-13 08:46:58,834 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [363705806] [2020-10-13 08:46:58,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:46:58,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:46:58,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797615223] [2020-10-13 08:46:58,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:46:58,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:46:58,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:46:58,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:46:58,836 INFO L87 Difference]: Start difference. First operand 560 states and 645 transitions. Second operand 5 states. [2020-10-13 08:46:59,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:46:59,818 INFO L93 Difference]: Finished difference Result 1144 states and 1323 transitions. [2020-10-13 08:46:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:46:59,821 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 343 [2020-10-13 08:46:59,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:46:59,825 INFO L225 Difference]: With dead ends: 1144 [2020-10-13 08:46:59,825 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:46:59,827 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:46:59,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:46:59,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:46:59,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:46:59,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 643 transitions. [2020-10-13 08:46:59,848 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 643 transitions. Word has length 343 [2020-10-13 08:46:59,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:46:59,848 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 643 transitions. [2020-10-13 08:46:59,849 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:46:59,849 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 643 transitions. [2020-10-13 08:46:59,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2020-10-13 08:46:59,851 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:46:59,852 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:46:59,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 08:46:59,853 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:46:59,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:46:59,853 INFO L82 PathProgramCache]: Analyzing trace with hash 939518391, now seen corresponding path program 1 times [2020-10-13 08:46:59,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:46:59,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [753028263] [2020-10-13 08:46:59,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:46:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:59,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:00,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:00,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:02,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:03,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:04,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:04,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 356 [2020-10-13 08:47:04,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:47:04,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-13 08:47:04,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:04,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:47:04,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 296 [2020-10-13 08:47:04,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 08:47:04,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:05,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:05,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:05,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:05,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:05,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:05,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:47:05,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:05,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:05,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:05,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:05,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:05,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:05,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:05,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:05,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:47:05,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:05,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 08:47:05,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:05,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:05,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:05,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:05,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:05,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:47:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:05,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:05,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:05,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-13 08:47:05,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:05,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-13 08:47:05,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:05,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:05,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:05,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-13 08:47:05,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:05,462 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-10-13 08:47:05,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [753028263] [2020-10-13 08:47:05,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:05,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:47:05,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479310662] [2020-10-13 08:47:05,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:47:05,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:05,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:47:05,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:47:05,464 INFO L87 Difference]: Start difference. First operand 560 states and 643 transitions. Second operand 8 states. [2020-10-13 08:47:06,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:06,540 INFO L93 Difference]: Finished difference Result 1168 states and 1349 transitions. [2020-10-13 08:47:06,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 08:47:06,541 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 344 [2020-10-13 08:47:06,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:06,545 INFO L225 Difference]: With dead ends: 1168 [2020-10-13 08:47:06,546 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:47:06,548 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:47:06,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:47:06,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:47:06,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:47:06,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 639 transitions. [2020-10-13 08:47:06,570 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 639 transitions. Word has length 344 [2020-10-13 08:47:06,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:06,570 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 639 transitions. [2020-10-13 08:47:06,571 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:47:06,571 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 639 transitions. [2020-10-13 08:47:06,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2020-10-13 08:47:06,574 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:06,574 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:47:06,575 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 08:47:06,575 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:06,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:06,575 INFO L82 PathProgramCache]: Analyzing trace with hash 667802379, now seen corresponding path program 1 times [2020-10-13 08:47:06,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:06,576 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [180601618] [2020-10-13 08:47:06,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:06,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:06,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:07,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:08,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:09,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:11,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:11,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 362 [2020-10-13 08:47:11,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:47:11,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 08:47:11,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:11,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:11,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 302 [2020-10-13 08:47:11,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 08:47:11,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:11,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:11,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:11,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:11,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:11,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:11,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:47:11,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:11,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:11,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:11,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:11,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:11,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:11,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:11,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:11,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:47:11,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:11,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 08:47:11,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:11,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:11,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:11,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:11,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:11,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:47:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:11,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:11,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:11,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-13 08:47:11,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:11,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-13 08:47:11,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:11,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:11,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:11,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-13 08:47:11,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:11,977 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-10-13 08:47:11,978 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [180601618] [2020-10-13 08:47:11,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:11,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:11,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921815156] [2020-10-13 08:47:11,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:11,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:11,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:11,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:11,981 INFO L87 Difference]: Start difference. First operand 560 states and 639 transitions. Second operand 5 states. [2020-10-13 08:47:12,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:12,847 INFO L93 Difference]: Finished difference Result 1150 states and 1317 transitions. [2020-10-13 08:47:12,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:12,848 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 350 [2020-10-13 08:47:12,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:12,851 INFO L225 Difference]: With dead ends: 1150 [2020-10-13 08:47:12,851 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:47:12,854 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:47:12,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:47:12,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:47:12,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:47:12,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 637 transitions. [2020-10-13 08:47:12,873 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 637 transitions. Word has length 350 [2020-10-13 08:47:12,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:12,873 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 637 transitions. [2020-10-13 08:47:12,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:12,874 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 637 transitions. [2020-10-13 08:47:12,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2020-10-13 08:47:12,878 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:12,878 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:47:12,879 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 08:47:12,879 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:12,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:12,879 INFO L82 PathProgramCache]: Analyzing trace with hash -660031621, now seen corresponding path program 1 times [2020-10-13 08:47:12,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:12,880 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1377431074] [2020-10-13 08:47:12,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:12,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:13,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:13,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:14,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:17,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:17,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 370 [2020-10-13 08:47:17,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:47:17,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 08:47:17,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:17,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:17,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 310 [2020-10-13 08:47:17,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-13 08:47:17,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:18,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:18,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:18,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:18,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:18,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:18,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:47:18,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:18,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:18,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:18,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:18,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:18,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:18,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:18,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:18,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:47:18,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:18,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-13 08:47:18,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:18,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:18,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:18,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:18,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:18,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:47:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:18,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:18,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:18,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-13 08:47:18,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:18,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-13 08:47:18,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:18,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:18,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:18,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-13 08:47:18,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:18,310 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-10-13 08:47:18,311 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1377431074] [2020-10-13 08:47:18,311 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:18,311 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:18,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255466059] [2020-10-13 08:47:18,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:18,312 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:18,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:18,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:18,312 INFO L87 Difference]: Start difference. First operand 560 states and 637 transitions. Second operand 5 states. [2020-10-13 08:47:19,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:19,517 INFO L93 Difference]: Finished difference Result 1302 states and 1500 transitions. [2020-10-13 08:47:19,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:19,518 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 358 [2020-10-13 08:47:19,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:19,521 INFO L225 Difference]: With dead ends: 1302 [2020-10-13 08:47:19,522 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:47:19,524 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:47:19,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:47:19,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:47:19,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:47:19,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 631 transitions. [2020-10-13 08:47:19,556 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 631 transitions. Word has length 358 [2020-10-13 08:47:19,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:19,556 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 631 transitions. [2020-10-13 08:47:19,556 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:19,556 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 631 transitions. [2020-10-13 08:47:19,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-10-13 08:47:19,560 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:19,560 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:47:19,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 08:47:19,561 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:19,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:19,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1901453063, now seen corresponding path program 1 times [2020-10-13 08:47:19,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:19,562 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [997842294] [2020-10-13 08:47:19,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:19,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:19,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:19,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:22,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:23,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:23,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 380 [2020-10-13 08:47:23,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:47:23,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4229 [2020-10-13 08:47:23,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:23,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:23,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 320 [2020-10-13 08:47:23,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 08:47:23,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:23,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:23,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:23,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:23,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:23,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:23,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:47:23,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:23,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:23,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:23,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:23,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:23,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:23,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:23,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:23,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:47:23,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:23,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 08:47:23,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:23,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:23,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:23,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:23,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:24,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:47:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:24,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:24,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:24,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-13 08:47:24,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:24,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-13 08:47:24,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:24,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:24,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:24,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-13 08:47:24,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:24,246 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-13 08:47:24,247 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [997842294] [2020-10-13 08:47:24,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:24,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:24,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453028204] [2020-10-13 08:47:24,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:24,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:24,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:24,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:24,250 INFO L87 Difference]: Start difference. First operand 560 states and 631 transitions. Second operand 5 states. [2020-10-13 08:47:25,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:25,038 INFO L93 Difference]: Finished difference Result 1132 states and 1283 transitions. [2020-10-13 08:47:25,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:25,042 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 368 [2020-10-13 08:47:25,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:25,047 INFO L225 Difference]: With dead ends: 1132 [2020-10-13 08:47:25,048 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:47:25,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:47:25,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:47:25,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:47:25,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:47:25,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 629 transitions. [2020-10-13 08:47:25,071 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 629 transitions. Word has length 368 [2020-10-13 08:47:25,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:25,072 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 629 transitions. [2020-10-13 08:47:25,072 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:25,072 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 629 transitions. [2020-10-13 08:47:25,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2020-10-13 08:47:25,076 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:25,076 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:47:25,077 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 08:47:25,077 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:25,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:25,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1858834204, now seen corresponding path program 1 times [2020-10-13 08:47:25,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:25,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [986977953] [2020-10-13 08:47:25,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:25,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:25,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:25,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:27,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:28,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:30,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:30,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 393 [2020-10-13 08:47:30,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:47:30,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 08:47:30,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:30,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:30,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 333 [2020-10-13 08:47:30,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 08:47:30,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:30,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:30,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:30,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:30,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:30,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:30,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:47:30,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:30,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:30,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:30,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:30,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:30,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:30,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:30,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:30,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:47:30,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:30,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 08:47:30,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:30,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:30,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:30,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:30,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:30,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:47:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:30,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:30,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:30,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-13 08:47:30,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:30,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-13 08:47:30,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:30,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:30,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:30,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-13 08:47:30,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:30,577 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-10-13 08:47:30,578 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [986977953] [2020-10-13 08:47:30,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:30,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:30,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649061812] [2020-10-13 08:47:30,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:30,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:30,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:30,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:30,580 INFO L87 Difference]: Start difference. First operand 560 states and 629 transitions. Second operand 5 states. [2020-10-13 08:47:31,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:31,374 INFO L93 Difference]: Finished difference Result 1138 states and 1285 transitions. [2020-10-13 08:47:31,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:31,376 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 381 [2020-10-13 08:47:31,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:31,379 INFO L225 Difference]: With dead ends: 1138 [2020-10-13 08:47:31,380 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:47:31,381 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:47:31,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:47:31,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:47:31,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:47:31,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 627 transitions. [2020-10-13 08:47:31,397 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 627 transitions. Word has length 381 [2020-10-13 08:47:31,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:31,397 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 627 transitions. [2020-10-13 08:47:31,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:31,397 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 627 transitions. [2020-10-13 08:47:31,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2020-10-13 08:47:31,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:31,401 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:47:31,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-13 08:47:31,402 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:31,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:31,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1647236805, now seen corresponding path program 1 times [2020-10-13 08:47:31,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:31,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1942805442] [2020-10-13 08:47:31,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:31,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:31,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:31,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:32,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:36,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:36,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 402 [2020-10-13 08:47:36,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:47:36,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 08:47:36,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:36,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:36,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 342 [2020-10-13 08:47:36,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 08:47:36,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:36,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:36,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:36,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:36,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:36,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:36,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:36,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:47:36,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:36,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:36,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:36,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:36,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:36,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:36,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:36,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:36,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:47:36,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:36,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 08:47:36,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:36,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:36,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:36,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:36,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:36,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:47:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:36,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:36,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:36,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-13 08:47:36,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:36,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-13 08:47:36,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:36,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:36,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:36,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-13 08:47:36,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:36,831 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-10-13 08:47:36,832 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1942805442] [2020-10-13 08:47:36,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:36,832 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:36,832 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385846212] [2020-10-13 08:47:36,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:36,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:36,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:36,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:36,834 INFO L87 Difference]: Start difference. First operand 560 states and 627 transitions. Second operand 5 states. [2020-10-13 08:47:37,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:37,561 INFO L93 Difference]: Finished difference Result 1128 states and 1271 transitions. [2020-10-13 08:47:37,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:37,561 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 390 [2020-10-13 08:47:37,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:37,564 INFO L225 Difference]: With dead ends: 1128 [2020-10-13 08:47:37,565 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:47:37,566 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:47:37,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:47:37,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:47:37,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:47:37,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 625 transitions. [2020-10-13 08:47:37,580 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 625 transitions. Word has length 390 [2020-10-13 08:47:37,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:37,581 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 625 transitions. [2020-10-13 08:47:37,581 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:37,581 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 625 transitions. [2020-10-13 08:47:37,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2020-10-13 08:47:37,584 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:37,584 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:47:37,585 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-13 08:47:37,585 INFO L427 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:37,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:37,585 INFO L82 PathProgramCache]: Analyzing trace with hash -904113065, now seen corresponding path program 1 times [2020-10-13 08:47:37,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:37,586 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1429661500] [2020-10-13 08:47:37,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:37,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:37,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:37,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:39,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:40,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:42,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:42,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 404 [2020-10-13 08:47:42,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:47:42,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 08:47:42,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:42,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 344 [2020-10-13 08:47:42,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 08:47:42,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:42,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:42,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:42,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:42,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:42,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:42,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 08:47:42,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:42,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:42,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:42,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:42,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:42,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:42,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:42,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:42,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:47:42,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:42,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-13 08:47:42,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:42,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:42,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:42,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:42,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:42,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:47:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:43,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:43,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:43,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-13 08:47:43,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:43,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-10-13 08:47:43,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:43,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:43,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:43,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-13 08:47:43,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:43,474 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2020-10-13 08:47:43,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1429661500] [2020-10-13 08:47:43,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:43,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:43,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737744500] [2020-10-13 08:47:43,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:43,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:43,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:43,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:43,483 INFO L87 Difference]: Start difference. First operand 560 states and 625 transitions. Second operand 5 states. [2020-10-13 08:47:44,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:44,367 INFO L93 Difference]: Finished difference Result 1148 states and 1287 transitions. [2020-10-13 08:47:44,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:44,368 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 392 [2020-10-13 08:47:44,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:44,370 INFO L225 Difference]: With dead ends: 1148 [2020-10-13 08:47:44,371 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:47:44,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:47:44,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:47:44,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:47:44,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:47:44,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 623 transitions. [2020-10-13 08:47:44,388 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 623 transitions. Word has length 392 [2020-10-13 08:47:44,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:44,388 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 623 transitions. [2020-10-13 08:47:44,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:44,388 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 623 transitions. [2020-10-13 08:47:44,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2020-10-13 08:47:44,392 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:44,392 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:47:44,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-13 08:47:44,393 INFO L427 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:44,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:44,393 INFO L82 PathProgramCache]: Analyzing trace with hash -665731329, now seen corresponding path program 1 times [2020-10-13 08:47:44,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:44,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [658404277] [2020-10-13 08:47:44,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:44,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:44,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:44,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:45,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:49,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:49,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 416 [2020-10-13 08:47:49,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:47:49,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 08:47:49,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:49,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:49,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 356 [2020-10-13 08:47:49,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 08:47:49,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:49,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:49,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:49,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:49,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:49,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:49,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:47:49,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:49,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:49,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:49,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:49,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:49,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:49,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:49,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:49,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:47:49,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:49,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-13 08:47:49,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:49,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:49,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:49,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:49,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:49,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:47:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:49,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:49,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:49,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-13 08:47:49,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:49,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-10-13 08:47:49,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:49,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:49,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:49,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-13 08:47:49,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:50,139 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2020-10-13 08:47:50,140 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [658404277] [2020-10-13 08:47:50,140 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:50,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:50,141 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125022064] [2020-10-13 08:47:50,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:50,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:50,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:50,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:50,142 INFO L87 Difference]: Start difference. First operand 560 states and 623 transitions. Second operand 5 states. [2020-10-13 08:47:50,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:50,951 INFO L93 Difference]: Finished difference Result 1129 states and 1264 transitions. [2020-10-13 08:47:50,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:50,953 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 404 [2020-10-13 08:47:50,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:50,956 INFO L225 Difference]: With dead ends: 1129 [2020-10-13 08:47:50,956 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:47:50,958 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:47:50,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:47:50,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:47:50,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:47:50,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 621 transitions. [2020-10-13 08:47:50,975 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 621 transitions. Word has length 404 [2020-10-13 08:47:50,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:50,976 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 621 transitions. [2020-10-13 08:47:50,976 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:50,976 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 621 transitions. [2020-10-13 08:47:50,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2020-10-13 08:47:50,980 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:50,981 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:47:50,981 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-13 08:47:50,981 INFO L427 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:50,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:50,982 INFO L82 PathProgramCache]: Analyzing trace with hash -863384265, now seen corresponding path program 1 times [2020-10-13 08:47:50,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:50,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1708571046] [2020-10-13 08:47:50,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:51,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:51,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:51,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:53,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:54,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:56,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:56,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 420 [2020-10-13 08:47:56,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:47:56,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-13 08:47:56,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:56,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:56,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 360 [2020-10-13 08:47:56,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 08:47:56,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:56,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:56,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:56,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:56,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:56,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:56,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:47:56,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:56,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:56,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:56,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:56,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:56,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:56,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:56,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:56,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:47:56,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:56,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-13 08:47:56,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:56,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:56,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:56,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:56,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:56,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:47:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:56,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:56,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:56,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-13 08:47:56,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:56,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-10-13 08:47:56,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:56,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:56,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:56,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-13 08:47:56,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:56,904 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2020-10-13 08:47:56,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1708571046] [2020-10-13 08:47:56,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:56,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:56,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610187236] [2020-10-13 08:47:56,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:56,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:56,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:56,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:56,913 INFO L87 Difference]: Start difference. First operand 560 states and 621 transitions. Second operand 5 states. [2020-10-13 08:47:57,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:57,817 INFO L93 Difference]: Finished difference Result 1140 states and 1271 transitions. [2020-10-13 08:47:57,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:57,818 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 408 [2020-10-13 08:47:57,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:57,820 INFO L225 Difference]: With dead ends: 1140 [2020-10-13 08:47:57,820 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:47:57,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:47:57,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:47:57,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:47:57,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:47:57,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 619 transitions. [2020-10-13 08:47:57,844 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 619 transitions. Word has length 408 [2020-10-13 08:47:57,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:57,845 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 619 transitions. [2020-10-13 08:47:57,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:57,845 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 619 transitions. [2020-10-13 08:47:57,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2020-10-13 08:47:57,849 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:57,849 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:47:57,850 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-13 08:47:57,850 INFO L427 AbstractCegarLoop]: === Iteration 24 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:57,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:57,851 INFO L82 PathProgramCache]: Analyzing trace with hash 2043487560, now seen corresponding path program 1 times [2020-10-13 08:47:57,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:57,851 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [697291126] [2020-10-13 08:47:57,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:57,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:58,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:58,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:00,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:02,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:02,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 423 [2020-10-13 08:48:02,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:48:02,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 08:48:02,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:02,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:02,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 363 [2020-10-13 08:48:02,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-13 08:48:02,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:03,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:48:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:03,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:03,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:03,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:48:03,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:03,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:48:03,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:03,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:03,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:03,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:03,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:03,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:48:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:03,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:03,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:03,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:48:03,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:03,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 08:48:03,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:03,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:03,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:03,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:03,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:03,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:48:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:03,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:03,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:03,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-13 08:48:03,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:03,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-13 08:48:03,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:03,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:48:03,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:03,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-13 08:48:03,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:03,474 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2020-10-13 08:48:03,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [697291126] [2020-10-13 08:48:03,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:48:03,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 08:48:03,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102632490] [2020-10-13 08:48:03,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 08:48:03,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:48:03,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 08:48:03,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:48:03,480 INFO L87 Difference]: Start difference. First operand 560 states and 619 transitions. Second operand 6 states. [2020-10-13 08:48:05,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:48:05,391 INFO L93 Difference]: Finished difference Result 1852 states and 2057 transitions. [2020-10-13 08:48:05,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 08:48:05,396 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 411 [2020-10-13 08:48:05,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:48:05,397 INFO L225 Difference]: With dead ends: 1852 [2020-10-13 08:48:05,397 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:48:05,401 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 [2020-10-13 08:48:05,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:48:05,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:48:05,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:48:05,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:48:05,402 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 411 [2020-10-13 08:48:05,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:48:05,403 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:48:05,403 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 08:48:05,403 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:48:05,403 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:48:05,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-13 08:48:05,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:48:06,038 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-10-13 08:48:06,461 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-10-13 08:48:07,835 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 262 DAG size of output: 141 [2020-10-13 08:48:08,315 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-10-13 08:48:08,738 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-10-13 08:48:08,744 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:48:08,745 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-13 08:48:08,745 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:48:08,745 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-13 08:48:08,745 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-13 08:48:08,746 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,746 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,746 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,746 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-13 08:48:08,747 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-13 08:48:08,747 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-13 08:48:08,747 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-13 08:48:08,747 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-13 08:48:08,747 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-13 08:48:08,747 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-13 08:48:08,747 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-13 08:48:08,747 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,747 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,747 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,748 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-13 08:48:08,748 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-13 08:48:08,748 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-13 08:48:08,748 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-13 08:48:08,748 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-13 08:48:08,748 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-13 08:48:08,748 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-13 08:48:08,748 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-13 08:48:08,748 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,748 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,748 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,748 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-13 08:48:08,749 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 08:48:08,749 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-13 08:48:08,749 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-13 08:48:08,749 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-13 08:48:08,749 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-13 08:48:08,749 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-13 08:48:08,749 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-13 08:48:08,749 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-13 08:48:08,749 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,749 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,749 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,750 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-13 08:48:08,750 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-13 08:48:08,750 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-13 08:48:08,750 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-13 08:48:08,750 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-13 08:48:08,750 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-13 08:48:08,750 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-13 08:48:08,750 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,750 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,751 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,751 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-13 08:48:08,751 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-13 08:48:08,751 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-13 08:48:08,751 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-13 08:48:08,751 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-13 08:48:08,751 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-13 08:48:08,751 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-13 08:48:08,752 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-13 08:48:08,752 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-13 08:48:08,752 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,752 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,752 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,752 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,752 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-13 08:48:08,752 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 08:48:08,752 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 08:48:08,752 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-13 08:48:08,752 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-13 08:48:08,753 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-13 08:48:08,753 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-13 08:48:08,753 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-13 08:48:08,753 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,753 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,753 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,753 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-13 08:48:08,753 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-13 08:48:08,753 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-13 08:48:08,754 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-13 08:48:08,754 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-13 08:48:08,754 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-13 08:48:08,754 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-13 08:48:08,754 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-13 08:48:08,754 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,754 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,754 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,754 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-13 08:48:08,754 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-13 08:48:08,754 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-13 08:48:08,754 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-13 08:48:08,754 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-13 08:48:08,755 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-13 08:48:08,755 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse24 (= ~a21~0 9)) (.cse12 (= ~a15~0 |old(~a15~0)|)) (.cse23 (= 5 ~a15~0)) (.cse10 (= ~a24~0 1)) (.cse22 (= ~a24~0 |old(~a24~0)|)) (.cse9 (= ~a21~0 |old(~a21~0)|)) (.cse11 (= ~a12~0 |old(~a12~0)|))) (let ((.cse16 (not (<= |old(~a15~0)| 6))) (.cse17 (not (<= 6 |old(~a15~0)|))) (.cse18 (and (<= 6 ~a15~0) .cse22 .cse9 .cse11 (<= ~a15~0 6))) (.cse20 (not (<= 8 |old(~a21~0)|))) (.cse14 (not (<= 1 |old(~a24~0)|))) (.cse15 (not (<= |old(~a24~0)| 1))) (.cse4 (not (<= |old(~a12~0)| 80))) (.cse21 (not (<= |old(~a21~0)| 8))) (.cse0 (not (= 10 |old(~a21~0)|))) (.cse2 (and .cse23 .cse9 .cse10 .cse11)) (.cse8 (not (= 6 |old(~a15~0)|))) (.cse19 (and .cse10 .cse24 .cse11 .cse12)) (.cse13 (and .cse22 .cse9 .cse11 .cse12)) (.cse1 (not (= |old(~a24~0)| 1))) (.cse3 (not (<= 12 |old(~a12~0)|))) (.cse6 (not (= 9 |old(~a21~0)|))) (.cse7 (and .cse23 .cse10 .cse24 .cse11)) (.cse5 (not (= 5 |old(~a15~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (not (<= (+ |old(~a12~0)| 7499) 0)) .cse1 .cse6 .cse7 .cse5) (or .cse0 .cse8 .cse1 (and .cse9 .cse10 .cse11 .cse12) (not (<= |old(~a12~0)| 10)) (not (<= 0 (+ |old(~a12~0)| 41)))) (or .cse13 (not (= 8 |old(~a15~0)|))) (or .cse14 .cse15 .cse16 (not (<= |old(~a21~0)| 9)) (not (<= (+ |old(~a12~0)| 45) 0)) .cse17 .cse18 (not (<= 9 |old(~a21~0)|))) (or .cse8 .cse1 .cse6 (not (<= |old(~a12~0)| 11)) (not (<= 0 (+ |old(~a12~0)| 42))) .cse19) (or .cse0 .cse1 (not (<= (+ |old(~a12~0)| 1) 0)) .cse2 (not (<= 0 (+ |old(~a12~0)| 7))) .cse5) (or .cse20 .cse14 .cse15 .cse16 .cse17 .cse18 .cse3 .cse4 .cse21) (or .cse20 .cse14 .cse15 .cse3 .cse4 (and (<= ~a15~0 5) .cse22 .cse9 .cse11 (<= 5 ~a15~0)) .cse21 (not (<= 5 |old(~a15~0)|)) (not (<= |old(~a15~0)| 5))) (or .cse13 (not (<= |old(~a21~0)| 6))) (or .cse13 (not (= 7 |old(~a15~0)|))) (or .cse0 .cse1 .cse2 (not (<= 657 |old(~a12~0)|)) .cse5) (or .cse8 .cse1 (not (<= 81 |old(~a12~0)|)) .cse6 .cse19) (or (not (= 7 |old(~a21~0)|)) .cse1 (not (<= 58 |old(~a12~0)|)) (and .cse23 .cse10 .cse11 (= 7 ~a21~0)) (not (<= |old(~a12~0)| 68)) .cse5) (or .cse13 (not (= 9 |old(~a15~0)|))) (or (not (<= |old(~a12~0)| 78)) .cse1 .cse3 .cse6 .cse7 .cse5)))) [2020-10-13 08:48:08,755 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-13 08:48:08,755 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-13 08:48:08,755 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,755 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,755 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,755 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 08:48:08,756 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 08:48:08,756 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-13 08:48:08,756 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-13 08:48:08,756 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-13 08:48:08,756 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-13 08:48:08,756 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-13 08:48:08,756 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-13 08:48:08,756 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,756 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,756 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,756 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-13 08:48:08,756 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-13 08:48:08,756 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-13 08:48:08,756 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 08:48:08,756 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-13 08:48:08,757 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-13 08:48:08,757 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-13 08:48:08,757 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-13 08:48:08,757 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,757 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,757 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,757 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-13 08:48:08,757 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-13 08:48:08,757 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-13 08:48:08,757 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-13 08:48:08,757 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-13 08:48:08,758 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-13 08:48:08,758 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-13 08:48:08,758 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-13 08:48:08,758 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,758 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,758 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,758 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-13 08:48:08,758 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 08:48:08,758 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-13 08:48:08,758 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-13 08:48:08,758 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-13 08:48:08,758 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-13 08:48:08,758 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-13 08:48:08,758 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-13 08:48:08,759 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,759 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,759 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-13 08:48:08,759 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-13 08:48:08,759 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-13 08:48:08,759 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-13 08:48:08,759 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-13 08:48:08,759 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-13 08:48:08,760 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-13 08:48:08,760 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-13 08:48:08,760 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 166) no Hoare annotation was computed. [2020-10-13 08:48:08,760 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,760 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,760 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-13 08:48:08,760 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-13 08:48:08,761 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-13 08:48:08,761 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-13 08:48:08,761 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-13 08:48:08,761 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-13 08:48:08,761 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,761 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,761 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-13 08:48:08,761 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-13 08:48:08,761 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-13 08:48:08,762 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-13 08:48:08,762 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-13 08:48:08,762 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-13 08:48:08,762 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-13 08:48:08,762 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-13 08:48:08,762 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,762 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,762 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-13 08:48:08,762 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-13 08:48:08,762 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-13 08:48:08,763 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 08:48:08,763 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-13 08:48:08,763 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-13 08:48:08,763 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-13 08:48:08,763 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,763 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,763 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,763 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-13 08:48:08,763 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-13 08:48:08,763 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-13 08:48:08,764 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 08:48:08,764 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-13 08:48:08,764 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-13 08:48:08,764 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,764 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,764 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-13 08:48:08,764 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,764 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-13 08:48:08,764 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-13 08:48:08,765 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-13 08:48:08,765 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 08:48:08,765 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 08:48:08,765 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-13 08:48:08,765 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-13 08:48:08,766 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-13 08:48:08,766 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-13 08:48:08,767 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-13 08:48:08,767 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,767 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,767 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,767 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-13 08:48:08,767 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 08:48:08,767 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 08:48:08,767 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-13 08:48:08,767 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-13 08:48:08,767 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-13 08:48:08,768 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-13 08:48:08,768 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-13 08:48:08,768 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,768 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,768 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,768 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-13 08:48:08,768 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-13 08:48:08,768 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-13 08:48:08,768 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-13 08:48:08,769 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-13 08:48:08,769 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-13 08:48:08,769 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-13 08:48:08,769 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-13 08:48:08,769 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,769 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,769 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,769 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-13 08:48:08,769 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-13 08:48:08,770 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-13 08:48:08,770 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-13 08:48:08,770 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-13 08:48:08,770 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-13 08:48:08,770 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-13 08:48:08,770 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-13 08:48:08,771 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-13 08:48:08,771 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,771 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,771 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:08,771 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-13 08:48:08,771 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-13 08:48:08,771 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-13 08:48:08,771 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-13 08:48:08,772 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-13 08:48:08,772 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:48:08,772 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (not (= ~a21~0 8))) [2020-10-13 08:48:08,772 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:48:08,772 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:48:08,772 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (= 8 |old(~a21~0)|) (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)) (not (= 8 |old(~a15~0)|))) [2020-10-13 08:48:08,773 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-13 08:48:08,773 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse11 (<= 6 ~a15~0)) (.cse2 (<= ~a24~0 1)) (.cse4 (<= 8 ~a21~0)) (.cse5 (<= 1 ~a24~0)) (.cse6 (<= ~a12~0 80)) (.cse7 (<= ~a21~0 8)) (.cse12 (<= ~a15~0 6)) (.cse9 (= ~a21~0 10)) (.cse10 (= ~a15~0 6)) (.cse0 (= 5 ~a15~0)) (.cse3 (<= 12 ~a12~0)) (.cse1 (= ~a24~0 1)) (.cse8 (= ~a21~0 9))) (or (and .cse0 (<= 58 ~a12~0) .cse1 (<= ~a12~0 68) (= 7 ~a21~0)) (not (= 8 |old(~a15~0)|)) (and (<= ~a15~0 5) .cse2 .cse3 .cse4 .cse5 .cse6 (<= 5 ~a15~0) .cse7) (and .cse0 .cse1 .cse8 (<= (+ ~a12~0 7499) 0)) (<= ~a21~0 6) (= ~a15~0 9) (and .cse0 .cse3 .cse9 .cse1 .cse6) (and (<= 0 (+ ~a12~0 42)) (<= ~a12~0 11) .cse1 .cse8 .cse10) (= 7 ~a15~0) (and (<= 9 ~a21~0) .cse11 .cse2 (<= (+ ~a12~0 45) 0) .cse5 (<= ~a21~0 9) .cse12) (= 8 |old(~a21~0)|) (and .cse11 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse12) (and .cse0 (<= 657 ~a12~0) .cse9 .cse1) (= ~a15~0 8) (and .cse0 (<= (+ ~a12~0 1) 0) .cse9 (<= 0 (+ ~a12~0 7)) .cse1) (and (<= 0 (+ ~a12~0 41)) (<= ~a12~0 10) .cse9 .cse1 .cse10) (and (<= 81 ~a12~0) .cse1 .cse8 .cse10) (and .cse0 .cse3 .cse1 .cse8 (<= ~a12~0 78)))) [2020-10-13 08:48:08,773 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-13 08:48:08,773 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-13 08:48:08,774 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse11 (<= 6 ~a15~0)) (.cse2 (<= ~a24~0 1)) (.cse4 (<= 8 ~a21~0)) (.cse5 (<= 1 ~a24~0)) (.cse6 (<= ~a12~0 80)) (.cse7 (<= ~a21~0 8)) (.cse12 (<= ~a15~0 6)) (.cse9 (= ~a21~0 10)) (.cse10 (= ~a15~0 6)) (.cse0 (= 5 ~a15~0)) (.cse3 (<= 12 ~a12~0)) (.cse1 (= ~a24~0 1)) (.cse8 (= ~a21~0 9))) (or (and .cse0 (<= 58 ~a12~0) .cse1 (<= ~a12~0 68) (= 7 ~a21~0)) (not (= 8 |old(~a15~0)|)) (and (<= ~a15~0 5) .cse2 .cse3 .cse4 .cse5 .cse6 (<= 5 ~a15~0) .cse7) (and .cse0 .cse1 .cse8 (<= (+ ~a12~0 7499) 0)) (<= ~a21~0 6) (= ~a15~0 9) (and .cse0 .cse3 .cse9 .cse1 .cse6) (and (<= 0 (+ ~a12~0 42)) (<= ~a12~0 11) .cse1 .cse8 .cse10) (= 7 ~a15~0) (and (<= 9 ~a21~0) .cse11 .cse2 (<= (+ ~a12~0 45) 0) .cse5 (<= ~a21~0 9) .cse12) (= 8 |old(~a21~0)|) (and .cse11 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse12) (and .cse0 (<= 657 ~a12~0) .cse9 .cse1) (= ~a15~0 8) (and .cse0 (<= (+ ~a12~0 1) 0) .cse9 (<= 0 (+ ~a12~0 7)) .cse1) (and (<= 0 (+ ~a12~0 41)) (<= ~a12~0 10) .cse9 .cse1 .cse10) (and (<= 81 ~a12~0) .cse1 .cse8 .cse10) (and .cse0 .cse3 .cse1 .cse8 (<= ~a12~0 78)))) [2020-10-13 08:48:08,774 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-13 08:48:08,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:48:08 BoogieIcfgContainer [2020-10-13 08:48:08,806 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:48:08,808 INFO L168 Benchmark]: Toolchain (without parser) took 148589.29 ms. Allocated memory was 141.0 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 101.4 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2020-10-13 08:48:08,809 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 08:48:08,810 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1054.56 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 101.2 MB in the beginning and 158.9 MB in the end (delta: -57.7 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. [2020-10-13 08:48:08,810 INFO L168 Benchmark]: Boogie Preprocessor took 191.56 ms. Allocated memory is still 203.9 MB. Free memory was 158.9 MB in the beginning and 152.7 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. [2020-10-13 08:48:08,811 INFO L168 Benchmark]: RCFGBuilder took 1787.87 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 152.7 MB in the beginning and 143.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 68.9 MB. Max. memory is 7.1 GB. [2020-10-13 08:48:08,812 INFO L168 Benchmark]: TraceAbstraction took 145549.03 ms. Allocated memory was 235.9 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 143.4 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2020-10-13 08:48:08,815 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1054.56 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 101.2 MB in the beginning and 158.9 MB in the end (delta: -57.7 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 191.56 ms. Allocated memory is still 203.9 MB. Free memory was 158.9 MB in the beginning and 152.7 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1787.87 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 152.7 MB in the beginning and 143.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 68.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 145549.03 ms. Allocated memory was 235.9 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 143.4 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 166]: 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 && 58 <= a12) && a24 == 1) && a12 <= 68) && 7 == a21) || !(8 == \old(a15))) || (((((((a15 <= 5 && a24 <= 1) && 12 <= a12) && 8 <= a21) && 1 <= a24) && a12 <= 80) && 5 <= a15) && a21 <= 8)) || (((5 == a15 && a24 == 1) && a21 == 9) && a12 + 7499 <= 0)) || a21 <= 6) || a15 == 9) || ((((5 == a15 && 12 <= a12) && a21 == 10) && a24 == 1) && a12 <= 80)) || ((((0 <= a12 + 42 && a12 <= 11) && a24 == 1) && a21 == 9) && a15 == 6)) || 7 == a15) || ((((((9 <= a21 && 6 <= a15) && a24 <= 1) && a12 + 45 <= 0) && 1 <= a24) && a21 <= 9) && a15 <= 6)) || 8 == \old(a21)) || (((((((6 <= a15 && a24 <= 1) && 12 <= a12) && 8 <= a21) && 1 <= a24) && a12 <= 80) && a21 <= 8) && a15 <= 6)) || (((5 == a15 && 657 <= a12) && a21 == 10) && a24 == 1)) || a15 == 8) || ((((5 == a15 && a12 + 1 <= 0) && a21 == 10) && 0 <= a12 + 7) && a24 == 1)) || ((((0 <= a12 + 41 && a12 <= 10) && a21 == 10) && a24 == 1) && a15 == 6)) || (((81 <= a12 && a24 == 1) && a21 == 9) && a15 == 6)) || ((((5 == a15 && 12 <= a12) && a24 == 1) && a21 == 9) && a12 <= 78) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 142.0s, OverallIterations: 24, TraceHistogramMax: 3, AutomataDifference: 26.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 601 SDtfs, 6540 SDslu, 486 SDs, 0 SdLazy, 14573 SolverSat, 481 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 322 GetRequests, 185 SyntacticMatches, 22 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=560occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 24 MinimizatonAttempts, 92 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 104 PreInvPairs, 166 NumberOfFragments, 1061 HoareAnnotationTreeSize, 104 FomulaSimplifications, 2315255938 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1357 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 110.9s InterpolantComputationTime, 7665 NumberOfCodeBlocks, 7665 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 7641 ConstructedInterpolants, 0 QuantifiedInterpolants, 5679789 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 1 PerfectInterpolantSequences, 4560/4603 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...