/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 SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label33.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:01:48,946 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-09-24 15:01:49,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:01:49,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:01:49,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:01:49,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:01:49,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:01:49,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:01:49,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:01:49,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:01:49,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:01:49,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:01:49,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:01:49,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:01:49,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-24 15:01:49,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:01:49,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:01:49,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:01:49,073 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 [2020-09-24 15:01:49,114 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:01:49,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:01:49,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:01:49,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:01:49,116 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:01:49,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:01:49,117 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:01:49,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:01:49,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:01:49,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:01:49,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:01:49,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:01:49,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:01:49,118 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:01:49,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:01:49,118 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:01:49,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:01:49,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:01:49,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:01:49,119 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:01:49,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:01:49,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:01:49,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:01:49,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:01:49,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:01:49,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:01:49,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:01:49,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:01:49,121 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:01:49,121 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 -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> false [2020-09-24 15:01:49,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:01:49,590 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:01:49,595 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:01:49,599 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:01:49,600 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:01:49,601 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label33.c [2020-09-24 15:01:49,686 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c15396f8/c13719d25ca4460cb396b14ad8443093/FLAGea70d8182 [2020-09-24 15:01:50,323 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:01:50,324 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label33.c [2020-09-24 15:01:50,343 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c15396f8/c13719d25ca4460cb396b14ad8443093/FLAGea70d8182 [2020-09-24 15:01:50,580 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c15396f8/c13719d25ca4460cb396b14ad8443093 [2020-09-24 15:01:50,595 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:01:50,601 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:01:50,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:01:50,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:01:50,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:01:50,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:01:50" (1/1) ... [2020-09-24 15:01:50,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f3eacf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:01:50, skipping insertion in model container [2020-09-24 15:01:50,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:01:50" (1/1) ... [2020-09-24 15:01:50,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:01:50,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:01:51,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:01:51,282 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:01:51,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:01:51,410 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:01:51,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:01:51 WrapperNode [2020-09-24 15:01:51,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:01:51,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:01:51,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:01:51,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:01:51,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:01:51" (1/1) ... [2020-09-24 15:01:51,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:01:51" (1/1) ... [2020-09-24 15:01:51,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:01:51" (1/1) ... [2020-09-24 15:01:51,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:01:51" (1/1) ... [2020-09-24 15:01:51,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:01:51" (1/1) ... [2020-09-24 15:01:51,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:01:51" (1/1) ... [2020-09-24 15:01:51,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:01:51" (1/1) ... [2020-09-24 15:01:51,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:01:51,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:01:51,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:01:51,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:01:51,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:01:51" (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 [2020-09-24 15:01:51,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:01:51,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:01:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-24 15:01:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:01:51,606 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-24 15:01:51,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:01:51,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:01:51,607 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-24 15:01:51,607 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:01:51,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:01:51,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:01:52,944 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:01:52,945 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-24 15:01:52,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:01:52 BoogieIcfgContainer [2020-09-24 15:01:52,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:01:52,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:01:52,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:01:52,963 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:01:52,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:01:50" (1/3) ... [2020-09-24 15:01:52,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba23aa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:01:52, skipping insertion in model container [2020-09-24 15:01:52,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:01:51" (2/3) ... [2020-09-24 15:01:52,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba23aa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:01:52, skipping insertion in model container [2020-09-24 15:01:52,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:01:52" (3/3) ... [2020-09-24 15:01:52,969 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label33.c [2020-09-24 15:01:52,982 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:01:53,000 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:01:53,025 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:01:53,073 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:01:53,074 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:01:53,075 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:01:53,075 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:01:53,075 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:01:53,075 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:01:53,075 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:01:53,076 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:01:53,119 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states. [2020-09-24 15:01:53,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-24 15:01:53,166 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:01:53,167 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:01:53,168 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:01:53,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:01:53,176 INFO L82 PathProgramCache]: Analyzing trace with hash 341026450, now seen corresponding path program 1 times [2020-09-24 15:01:53,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:01:53,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [213785230] [2020-09-24 15:01:53,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:01:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:01:53,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:01:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:01:53,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:01:53,974 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [213785230] [2020-09-24 15:01:53,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:01:53,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:01:53,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198091897] [2020-09-24 15:01:53,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:01:53,992 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:01:54,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:01:54,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:01:54,014 INFO L87 Difference]: Start difference. First operand 527 states. Second operand 5 states. [2020-09-24 15:01:56,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:01:56,366 INFO L93 Difference]: Finished difference Result 1205 states and 1651 transitions. [2020-09-24 15:01:56,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:01:56,369 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-09-24 15:01:56,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:01:56,394 INFO L225 Difference]: With dead ends: 1205 [2020-09-24 15:01:56,395 INFO L226 Difference]: Without dead ends: 627 [2020-09-24 15:01:56,406 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:01:56,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2020-09-24 15:01:56,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 613. [2020-09-24 15:01:56,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2020-09-24 15:01:56,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 774 transitions. [2020-09-24 15:01:56,531 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 774 transitions. Word has length 167 [2020-09-24 15:01:56,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:01:56,533 INFO L479 AbstractCegarLoop]: Abstraction has 613 states and 774 transitions. [2020-09-24 15:01:56,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:01:56,533 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 774 transitions. [2020-09-24 15:01:56,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-24 15:01:56,540 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:01:56,541 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:01:56,541 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:01:56,542 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:01:56,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:01:56,542 INFO L82 PathProgramCache]: Analyzing trace with hash -178073639, now seen corresponding path program 1 times [2020-09-24 15:01:56,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:01:56,543 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1026348366] [2020-09-24 15:01:56,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:01:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:01:56,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:01:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:01:56,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:01:56,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:01:56,918 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:01:56,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1026348366] [2020-09-24 15:01:56,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:01:56,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:01:56,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868622297] [2020-09-24 15:01:56,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:01:56,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:01:56,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:01:56,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:01:56,925 INFO L87 Difference]: Start difference. First operand 613 states and 774 transitions. Second operand 8 states. [2020-09-24 15:01:58,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:01:58,405 INFO L93 Difference]: Finished difference Result 1142 states and 1475 transitions. [2020-09-24 15:01:58,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 15:01:58,407 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 193 [2020-09-24 15:01:58,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:01:58,412 INFO L225 Difference]: With dead ends: 1142 [2020-09-24 15:01:58,412 INFO L226 Difference]: Without dead ends: 551 [2020-09-24 15:01:58,416 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:01:58,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2020-09-24 15:01:58,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 527. [2020-09-24 15:01:58,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2020-09-24 15:01:58,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 654 transitions. [2020-09-24 15:01:58,442 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 654 transitions. Word has length 193 [2020-09-24 15:01:58,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:01:58,443 INFO L479 AbstractCegarLoop]: Abstraction has 527 states and 654 transitions. [2020-09-24 15:01:58,443 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:01:58,443 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 654 transitions. [2020-09-24 15:01:58,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-09-24 15:01:58,447 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:01:58,448 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:01:58,448 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:01:58,448 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:01:58,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:01:58,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1817628535, now seen corresponding path program 1 times [2020-09-24 15:01:58,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:01:58,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1388345577] [2020-09-24 15:01:58,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:01:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:01:58,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:01:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:01:58,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:01:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:01:58,798 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:01:58,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1388345577] [2020-09-24 15:01:58,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:01:58,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:01:58,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592307967] [2020-09-24 15:01:58,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:01:58,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:01:58,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:01:58,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:01:58,809 INFO L87 Difference]: Start difference. First operand 527 states and 654 transitions. Second operand 8 states. [2020-09-24 15:02:02,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:02:02,303 INFO L93 Difference]: Finished difference Result 2056 states and 2695 transitions. [2020-09-24 15:02:02,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 15:02:02,309 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 201 [2020-09-24 15:02:02,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:02:02,319 INFO L225 Difference]: With dead ends: 2056 [2020-09-24 15:02:02,319 INFO L226 Difference]: Without dead ends: 1551 [2020-09-24 15:02:02,323 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2020-09-24 15:02:02,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2020-09-24 15:02:02,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 893. [2020-09-24 15:02:02,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 893 states. [2020-09-24 15:02:02,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 1128 transitions. [2020-09-24 15:02:02,379 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 1128 transitions. Word has length 201 [2020-09-24 15:02:02,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:02:02,380 INFO L479 AbstractCegarLoop]: Abstraction has 893 states and 1128 transitions. [2020-09-24 15:02:02,380 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:02:02,380 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1128 transitions. [2020-09-24 15:02:02,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-09-24 15:02:02,387 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:02:02,388 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:02:02,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:02:02,388 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:02:02,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:02:02,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1156065718, now seen corresponding path program 1 times [2020-09-24 15:02:02,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:02:02,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1044833264] [2020-09-24 15:02:02,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:02:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:02:02,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:02:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:02:02,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:02:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:02:02,776 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:02:02,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1044833264] [2020-09-24 15:02:02,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:02:02,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-24 15:02:02,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476366460] [2020-09-24 15:02:02,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:02:02,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:02:02,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:02:02,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:02:02,782 INFO L87 Difference]: Start difference. First operand 893 states and 1128 transitions. Second operand 5 states. [2020-09-24 15:02:04,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:02:04,670 INFO L93 Difference]: Finished difference Result 2393 states and 3164 transitions. [2020-09-24 15:02:04,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 15:02:04,670 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 205 [2020-09-24 15:02:04,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:02:04,677 INFO L225 Difference]: With dead ends: 2393 [2020-09-24 15:02:04,678 INFO L226 Difference]: Without dead ends: 1522 [2020-09-24 15:02:04,681 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:02:04,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1522 states. [2020-09-24 15:02:04,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1522 to 1504. [2020-09-24 15:02:04,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1504 states. [2020-09-24 15:02:04,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1504 states and 1907 transitions. [2020-09-24 15:02:04,749 INFO L78 Accepts]: Start accepts. Automaton has 1504 states and 1907 transitions. Word has length 205 [2020-09-24 15:02:04,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:02:04,750 INFO L479 AbstractCegarLoop]: Abstraction has 1504 states and 1907 transitions. [2020-09-24 15:02:04,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:02:04,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 1907 transitions. [2020-09-24 15:02:04,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-09-24 15:02:04,764 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:02:04,765 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:02:04,765 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:02:04,765 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:02:04,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:02:04,766 INFO L82 PathProgramCache]: Analyzing trace with hash -42939684, now seen corresponding path program 1 times [2020-09-24 15:02:04,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:02:04,767 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1213041038] [2020-09-24 15:02:04,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:02:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:02:04,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:02:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:02:04,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:02:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:02:04,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-09-24 15:02:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:02:05,046 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 60 proven. 23 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-24 15:02:05,047 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1213041038] [2020-09-24 15:02:05,047 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:02:05,048 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 15:02:05,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543007013] [2020-09-24 15:02:05,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:02:05,049 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:02:05,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:02:05,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:02:05,050 INFO L87 Difference]: Start difference. First operand 1504 states and 1907 transitions. Second operand 8 states. [2020-09-24 15:02:07,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:02:07,635 INFO L93 Difference]: Finished difference Result 3935 states and 5123 transitions. [2020-09-24 15:02:07,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:02:07,643 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 245 [2020-09-24 15:02:07,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:02:07,658 INFO L225 Difference]: With dead ends: 3935 [2020-09-24 15:02:07,658 INFO L226 Difference]: Without dead ends: 2453 [2020-09-24 15:02:07,665 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-24 15:02:07,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2453 states. [2020-09-24 15:02:07,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2453 to 2279. [2020-09-24 15:02:07,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2279 states. [2020-09-24 15:02:07,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2279 states to 2279 states and 2744 transitions. [2020-09-24 15:02:07,741 INFO L78 Accepts]: Start accepts. Automaton has 2279 states and 2744 transitions. Word has length 245 [2020-09-24 15:02:07,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:02:07,742 INFO L479 AbstractCegarLoop]: Abstraction has 2279 states and 2744 transitions. [2020-09-24 15:02:07,742 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:02:07,742 INFO L276 IsEmpty]: Start isEmpty. Operand 2279 states and 2744 transitions. [2020-09-24 15:02:07,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2020-09-24 15:02:07,754 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:02:07,755 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:02:07,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:02:07,755 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:02:07,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:02:07,756 INFO L82 PathProgramCache]: Analyzing trace with hash 2040681470, now seen corresponding path program 1 times [2020-09-24 15:02:07,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:02:07,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1631314174] [2020-09-24 15:02:07,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:02:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:02:07,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:02:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:02:07,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:02:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:02:07,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-24 15:02:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:02:08,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:02:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:02:08,144 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 109 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-24 15:02:08,144 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1631314174] [2020-09-24 15:02:08,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:02:08,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 15:02:08,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691743318] [2020-09-24 15:02:08,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:02:08,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:02:08,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:02:08,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:02:08,152 INFO L87 Difference]: Start difference. First operand 2279 states and 2744 transitions. Second operand 10 states. [2020-09-24 15:02:13,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:02:13,123 INFO L93 Difference]: Finished difference Result 5496 states and 6775 transitions. [2020-09-24 15:02:13,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-24 15:02:13,124 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 263 [2020-09-24 15:02:13,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:02:13,138 INFO L225 Difference]: With dead ends: 5496 [2020-09-24 15:02:13,139 INFO L226 Difference]: Without dead ends: 2888 [2020-09-24 15:02:13,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:02:13,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2888 states. [2020-09-24 15:02:13,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2888 to 2546. [2020-09-24 15:02:13,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2546 states. [2020-09-24 15:02:13,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2546 states to 2546 states and 3014 transitions. [2020-09-24 15:02:13,223 INFO L78 Accepts]: Start accepts. Automaton has 2546 states and 3014 transitions. Word has length 263 [2020-09-24 15:02:13,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:02:13,224 INFO L479 AbstractCegarLoop]: Abstraction has 2546 states and 3014 transitions. [2020-09-24 15:02:13,224 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:02:13,224 INFO L276 IsEmpty]: Start isEmpty. Operand 2546 states and 3014 transitions. [2020-09-24 15:02:13,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-09-24 15:02:13,235 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:02:13,236 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:02:13,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:02:13,236 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:02:13,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:02:13,237 INFO L82 PathProgramCache]: Analyzing trace with hash -279226880, now seen corresponding path program 1 times [2020-09-24 15:02:13,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:02:13,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [474414959] [2020-09-24 15:02:13,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:02:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:02:13,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:02:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:02:13,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:02:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:02:13,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-24 15:02:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:02:13,692 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 88 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-24 15:02:13,693 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [474414959] [2020-09-24 15:02:13,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:02:13,693 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 15:02:13,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104939418] [2020-09-24 15:02:13,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:02:13,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:02:13,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:02:13,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:02:13,696 INFO L87 Difference]: Start difference. First operand 2546 states and 3014 transitions. Second operand 10 states. [2020-09-24 15:02:17,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:02:17,329 INFO L93 Difference]: Finished difference Result 6223 states and 7455 transitions. [2020-09-24 15:02:17,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-24 15:02:17,330 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 268 [2020-09-24 15:02:17,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:02:17,348 INFO L225 Difference]: With dead ends: 6223 [2020-09-24 15:02:17,348 INFO L226 Difference]: Without dead ends: 3849 [2020-09-24 15:02:17,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2020-09-24 15:02:17,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3849 states. [2020-09-24 15:02:17,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3849 to 3353. [2020-09-24 15:02:17,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3353 states. [2020-09-24 15:02:17,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3353 states to 3353 states and 3888 transitions. [2020-09-24 15:02:17,455 INFO L78 Accepts]: Start accepts. Automaton has 3353 states and 3888 transitions. Word has length 268 [2020-09-24 15:02:17,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:02:17,456 INFO L479 AbstractCegarLoop]: Abstraction has 3353 states and 3888 transitions. [2020-09-24 15:02:17,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:02:17,456 INFO L276 IsEmpty]: Start isEmpty. Operand 3353 states and 3888 transitions. [2020-09-24 15:02:17,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-09-24 15:02:17,469 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:02:17,470 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:02:17,470 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:02:17,470 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:02:17,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:02:17,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1855624649, now seen corresponding path program 1 times [2020-09-24 15:02:17,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:02:17,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [747395221] [2020-09-24 15:02:17,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:02:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:02:17,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:02:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:02:17,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:02:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:02:17,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-24 15:02:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:02:17,892 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-24 15:02:17,892 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [747395221] [2020-09-24 15:02:17,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:02:17,893 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-24 15:02:17,893 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316007947] [2020-09-24 15:02:17,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:02:17,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:02:17,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:02:17,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:02:17,895 INFO L87 Difference]: Start difference. First operand 3353 states and 3888 transitions. Second operand 9 states. [2020-09-24 15:02:20,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:02:20,489 INFO L93 Difference]: Finished difference Result 6534 states and 7576 transitions. [2020-09-24 15:02:20,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 15:02:20,490 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 273 [2020-09-24 15:02:20,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:02:20,506 INFO L225 Difference]: With dead ends: 6534 [2020-09-24 15:02:20,506 INFO L226 Difference]: Without dead ends: 3189 [2020-09-24 15:02:20,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2020-09-24 15:02:20,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3189 states. [2020-09-24 15:02:20,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3189 to 3170. [2020-09-24 15:02:20,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3170 states. [2020-09-24 15:02:20,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 3170 states and 3534 transitions. [2020-09-24 15:02:20,637 INFO L78 Accepts]: Start accepts. Automaton has 3170 states and 3534 transitions. Word has length 273 [2020-09-24 15:02:20,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:02:20,637 INFO L479 AbstractCegarLoop]: Abstraction has 3170 states and 3534 transitions. [2020-09-24 15:02:20,637 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:02:20,637 INFO L276 IsEmpty]: Start isEmpty. Operand 3170 states and 3534 transitions. [2020-09-24 15:02:20,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2020-09-24 15:02:20,650 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:02:20,650 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-24 15:02:20,651 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:02:20,651 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:02:20,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:02:20,653 INFO L82 PathProgramCache]: Analyzing trace with hash 108030603, now seen corresponding path program 1 times [2020-09-24 15:02:20,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:02:20,653 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [607641167] [2020-09-24 15:02:20,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:02:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:02:20,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:02:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:02:20,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:02:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:02:20,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-24 15:02:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:02:21,294 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 104 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-09-24 15:02:21,295 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [607641167] [2020-09-24 15:02:21,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:02:21,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-24 15:02:21,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963882103] [2020-09-24 15:02:21,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 15:02:21,297 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:02:21,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 15:02:21,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-09-24 15:02:21,297 INFO L87 Difference]: Start difference. First operand 3170 states and 3534 transitions. Second operand 13 states. [2020-09-24 15:02:25,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:02:25,498 INFO L93 Difference]: Finished difference Result 7016 states and 7878 transitions. [2020-09-24 15:02:25,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:02:25,499 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 294 [2020-09-24 15:02:25,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:02:25,501 INFO L225 Difference]: With dead ends: 7016 [2020-09-24 15:02:25,501 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 15:02:25,515 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-09-24 15:02:25,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 15:02:25,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 15:02:25,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 15:02:25,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 15:02:25,516 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 294 [2020-09-24 15:02:25,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:02:25,516 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 15:02:25,516 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-24 15:02:25,516 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 15:02:25,517 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 15:02:25,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:02:25,520 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 15:02:27,463 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 115 [2020-09-24 15:02:27,795 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 115 [2020-09-24 15:02:29,324 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 191 DAG size of output: 69 [2020-09-24 15:02:29,783 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 52 [2020-09-24 15:02:30,200 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 52 [2020-09-24 15:02:30,205 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-24 15:02:30,205 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-09-24 15:02:30,205 INFO L268 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-09-24 15:02:30,205 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-24 15:02:30,207 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-09-24 15:02:30,207 INFO L268 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed. [2020-09-24 15:02:30,207 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-09-24 15:02:30,207 INFO L268 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed. [2020-09-24 15:02:30,207 INFO L268 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed. [2020-09-24 15:02:30,208 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-09-24 15:02:30,208 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-09-24 15:02:30,208 INFO L268 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2020-09-24 15:02:30,209 INFO L268 CegarLoopResult]: For program point L14(line 14) no Hoare annotation was computed. [2020-09-24 15:02:30,209 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-09-24 15:02:30,209 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-09-24 15:02:30,210 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-09-24 15:02:30,210 INFO L268 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed. [2020-09-24 15:02:30,210 INFO L268 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-09-24 15:02:30,210 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 15:02:30,210 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,210 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,210 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,210 INFO L268 CegarLoopResult]: For program point L366(line 366) no Hoare annotation was computed. [2020-09-24 15:02:30,211 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-09-24 15:02:30,211 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-09-24 15:02:30,211 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-09-24 15:02:30,211 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-09-24 15:02:30,211 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-09-24 15:02:30,211 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-09-24 15:02:30,212 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-09-24 15:02:30,212 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-09-24 15:02:30,212 INFO L268 CegarLoopResult]: For program point L367(line 367) no Hoare annotation was computed. [2020-09-24 15:02:30,212 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-09-24 15:02:30,212 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-09-24 15:02:30,212 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-24 15:02:30,212 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-24 15:02:30,212 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-09-24 15:02:30,213 INFO L268 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed. [2020-09-24 15:02:30,213 INFO L268 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-09-24 15:02:30,213 INFO L268 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-09-24 15:02:30,213 INFO L268 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-09-24 15:02:30,213 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-09-24 15:02:30,213 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,213 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,213 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,214 INFO L268 CegarLoopResult]: For program point L369(line 369) no Hoare annotation was computed. [2020-09-24 15:02:30,214 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-09-24 15:02:30,214 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-09-24 15:02:30,214 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-09-24 15:02:30,214 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-09-24 15:02:30,214 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-09-24 15:02:30,214 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-09-24 15:02:30,215 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-09-24 15:02:30,215 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-09-24 15:02:30,215 INFO L268 CegarLoopResult]: For program point L370(line 370) no Hoare annotation was computed. [2020-09-24 15:02:30,215 INFO L268 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-09-24 15:02:30,215 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-09-24 15:02:30,215 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-24 15:02:30,215 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-09-24 15:02:30,215 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-09-24 15:02:30,215 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-24 15:02:30,215 INFO L268 CegarLoopResult]: For program point L371(line 371) no Hoare annotation was computed. [2020-09-24 15:02:30,216 INFO L268 CegarLoopResult]: For program point L305(line 305) no Hoare annotation was computed. [2020-09-24 15:02:30,216 INFO L268 CegarLoopResult]: For program point L239(line 239) no Hoare annotation was computed. [2020-09-24 15:02:30,216 INFO L268 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-09-24 15:02:30,216 INFO L268 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-09-24 15:02:30,216 INFO L268 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-09-24 15:02:30,216 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,216 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,216 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,216 INFO L268 CegarLoopResult]: For program point L372(line 372) no Hoare annotation was computed. [2020-09-24 15:02:30,217 INFO L268 CegarLoopResult]: For program point L306(line 306) no Hoare annotation was computed. [2020-09-24 15:02:30,217 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-09-24 15:02:30,217 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-09-24 15:02:30,217 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-09-24 15:02:30,217 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-09-24 15:02:30,217 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-09-24 15:02:30,217 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-09-24 15:02:30,217 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-09-24 15:02:30,218 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-09-24 15:02:30,218 INFO L268 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-09-24 15:02:30,218 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-09-24 15:02:30,218 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-24 15:02:30,218 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-24 15:02:30,218 INFO L268 CegarLoopResult]: For program point L374(line 374) no Hoare annotation was computed. [2020-09-24 15:02:30,218 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-09-24 15:02:30,218 INFO L268 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-09-24 15:02:30,218 INFO L268 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-09-24 15:02:30,219 INFO L268 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-09-24 15:02:30,219 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,219 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,219 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,219 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-09-24 15:02:30,219 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-09-24 15:02:30,219 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-09-24 15:02:30,219 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-09-24 15:02:30,220 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-09-24 15:02:30,220 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-09-24 15:02:30,220 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-09-24 15:02:30,220 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-09-24 15:02:30,220 INFO L268 CegarLoopResult]: For program point L376(line 376) no Hoare annotation was computed. [2020-09-24 15:02:30,220 INFO L268 CegarLoopResult]: For program point L310(line 310) no Hoare annotation was computed. [2020-09-24 15:02:30,220 INFO L268 CegarLoopResult]: For program point L244(line 244) no Hoare annotation was computed. [2020-09-24 15:02:30,220 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-09-24 15:02:30,220 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-24 15:02:30,221 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-24 15:02:30,221 INFO L268 CegarLoopResult]: For program point L377(line 377) no Hoare annotation was computed. [2020-09-24 15:02:30,221 INFO L268 CegarLoopResult]: For program point L311(line 311) no Hoare annotation was computed. [2020-09-24 15:02:30,221 INFO L268 CegarLoopResult]: For program point L245(line 245) no Hoare annotation was computed. [2020-09-24 15:02:30,221 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-09-24 15:02:30,221 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-09-24 15:02:30,221 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-09-24 15:02:30,221 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,222 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,222 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,222 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-09-24 15:02:30,222 INFO L268 CegarLoopResult]: For program point L312(line 312) no Hoare annotation was computed. [2020-09-24 15:02:30,222 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-09-24 15:02:30,222 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-09-24 15:02:30,222 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-09-24 15:02:30,222 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-09-24 15:02:30,222 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-09-24 15:02:30,223 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-09-24 15:02:30,223 INFO L268 CegarLoopResult]: For program point L379(line 379) no Hoare annotation was computed. [2020-09-24 15:02:30,223 INFO L268 CegarLoopResult]: For program point L313(line 313) no Hoare annotation was computed. [2020-09-24 15:02:30,223 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-24 15:02:30,223 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-24 15:02:30,223 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-24 15:02:30,223 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-09-24 15:02:30,223 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-09-24 15:02:30,223 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-09-24 15:02:30,224 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-09-24 15:02:30,224 INFO L268 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-09-24 15:02:30,224 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-09-24 15:02:30,224 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,224 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,224 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,224 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-09-24 15:02:30,224 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-09-24 15:02:30,224 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-09-24 15:02:30,224 INFO L268 CegarLoopResult]: For program point L249(line 249) no Hoare annotation was computed. [2020-09-24 15:02:30,224 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-09-24 15:02:30,224 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-09-24 15:02:30,225 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-09-24 15:02:30,225 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-09-24 15:02:30,225 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,225 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-09-24 15:02:30,225 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-09-24 15:02:30,225 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-24 15:02:30,225 INFO L268 CegarLoopResult]: For program point L382(line 382) no Hoare annotation was computed. [2020-09-24 15:02:30,225 INFO L268 CegarLoopResult]: For program point L316(line 316) no Hoare annotation was computed. [2020-09-24 15:02:30,225 INFO L268 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed. [2020-09-24 15:02:30,226 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-24 15:02:30,226 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-24 15:02:30,226 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-09-24 15:02:30,226 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-09-24 15:02:30,226 INFO L268 CegarLoopResult]: For program point L317(line 317) no Hoare annotation was computed. [2020-09-24 15:02:30,226 INFO L268 CegarLoopResult]: For program point L251(line 251) no Hoare annotation was computed. [2020-09-24 15:02:30,226 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-09-24 15:02:30,226 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-09-24 15:02:30,227 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-09-24 15:02:30,227 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,227 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,227 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,227 INFO L268 CegarLoopResult]: For program point L318(line 318) no Hoare annotation was computed. [2020-09-24 15:02:30,227 INFO L268 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed. [2020-09-24 15:02:30,227 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-09-24 15:02:30,227 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-09-24 15:02:30,228 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-09-24 15:02:30,228 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-09-24 15:02:30,228 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-09-24 15:02:30,228 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-09-24 15:02:30,228 INFO L268 CegarLoopResult]: For program point L385(line 385) no Hoare annotation was computed. [2020-09-24 15:02:30,228 INFO L268 CegarLoopResult]: For program point L319(line 319) no Hoare annotation was computed. [2020-09-24 15:02:30,228 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-09-24 15:02:30,228 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-09-24 15:02:30,228 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-24 15:02:30,229 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-24 15:02:30,229 INFO L268 CegarLoopResult]: For program point L386(line 386) no Hoare annotation was computed. [2020-09-24 15:02:30,229 INFO L268 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-09-24 15:02:30,229 INFO L268 CegarLoopResult]: For program point L254(line 254) no Hoare annotation was computed. [2020-09-24 15:02:30,229 INFO L268 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-09-24 15:02:30,229 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-09-24 15:02:30,229 INFO L268 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-09-24 15:02:30,229 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,230 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,230 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,230 INFO L268 CegarLoopResult]: For program point L255(line 255) no Hoare annotation was computed. [2020-09-24 15:02:30,230 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-09-24 15:02:30,230 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-09-24 15:02:30,230 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-09-24 15:02:30,230 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-09-24 15:02:30,230 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-09-24 15:02:30,230 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-09-24 15:02:30,230 INFO L268 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-09-24 15:02:30,230 INFO L268 CegarLoopResult]: For program point L256(line 256) no Hoare annotation was computed. [2020-09-24 15:02:30,230 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-09-24 15:02:30,231 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-24 15:02:30,231 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-24 15:02:30,231 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-09-24 15:02:30,231 INFO L268 CegarLoopResult]: For program point L323(line 323) no Hoare annotation was computed. [2020-09-24 15:02:30,231 INFO L268 CegarLoopResult]: For program point L257(line 257) no Hoare annotation was computed. [2020-09-24 15:02:30,231 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-09-24 15:02:30,231 INFO L268 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-09-24 15:02:30,231 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-09-24 15:02:30,232 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,232 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,232 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse16 (= ~a28~0 |old(~a28~0)|)) (.cse3 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= ~a11~0 |old(~a11~0)|)) (.cse5 (= ~a25~0 |old(~a25~0)|)) (.cse7 (= ~a19~0 |old(~a19~0)|))) (let ((.cse2 (not (<= |old(~a17~0)| 7))) (.cse13 (not (= |old(~a25~0)| 1))) (.cse17 (= ~a25~0 1)) (.cse12 (= |old(~a17~0)| |old(~a28~0)|)) (.cse0 (not (<= |old(~a17~0)| 8))) (.cse9 (and .cse16 .cse3 .cse4 .cse5 .cse7)) (.cse11 (not (= 0 |old(~a25~0)|))) (.cse1 (not (= |old(~a19~0)| 1))) (.cse10 (= 11 |old(~a28~0)|)) (.cse18 (<= 8 ~a17~0)) (.cse6 (= 7 ~a28~0)) (.cse19 (<= ~a17~0 8)) (.cse14 (not (= 8 |old(~a17~0)|))) (.cse15 (not (= ~a21~0 1))) (.cse8 (not (= 7 |old(~a28~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7) .cse8) (or .cse0 .cse9 .cse10 .cse2 .cse11 .cse12) (or .cse13 .cse1 .cse14 .cse15 (and .cse16 .cse3 .cse4 (= ~a19~0 1) .cse17)) (or .cse13 .cse0 .cse1 (and .cse3 .cse4 .cse6 .cse17 .cse7) .cse8) (or .cse9 .cse10 .cse2 .cse15 (not (= |old(~a11~0)| 1))) (or .cse13 (and .cse16 .cse3 .cse4 .cse17 .cse7) .cse10 (= 9 |old(~a28~0)|) .cse14 .cse15 .cse12) (or .cse0 .cse9 .cse10 .cse14 .cse11 .cse15) (or .cse1 .cse10 .cse14 .cse15 (and .cse16 .cse4 .cse5 .cse18 .cse19 .cse7)) (or (and .cse4 .cse5 .cse18 .cse6 .cse19 .cse7) .cse14 .cse15 .cse8)))) [2020-09-24 15:02:30,232 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,233 INFO L268 CegarLoopResult]: For program point L390(line 390) no Hoare annotation was computed. [2020-09-24 15:02:30,233 INFO L268 CegarLoopResult]: For program point L324(line 324) no Hoare annotation was computed. [2020-09-24 15:02:30,233 INFO L268 CegarLoopResult]: For program point L258(line 258) no Hoare annotation was computed. [2020-09-24 15:02:30,233 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-09-24 15:02:30,233 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-09-24 15:02:30,233 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-09-24 15:02:30,233 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-09-24 15:02:30,234 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-09-24 15:02:30,234 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-24 15:02:30,234 INFO L268 CegarLoopResult]: For program point L391(line 391) no Hoare annotation was computed. [2020-09-24 15:02:30,234 INFO L268 CegarLoopResult]: For program point L325(line 325) no Hoare annotation was computed. [2020-09-24 15:02:30,234 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-09-24 15:02:30,234 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-24 15:02:30,234 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-24 15:02:30,235 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-09-24 15:02:30,235 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-09-24 15:02:30,235 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-09-24 15:02:30,235 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-09-24 15:02:30,235 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-09-24 15:02:30,235 INFO L268 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-09-24 15:02:30,235 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,235 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,236 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,236 INFO L268 CegarLoopResult]: For program point L393(line 393) no Hoare annotation was computed. [2020-09-24 15:02:30,236 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-09-24 15:02:30,236 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-09-24 15:02:30,236 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-09-24 15:02:30,236 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-09-24 15:02:30,236 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-09-24 15:02:30,236 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-09-24 15:02:30,237 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-24 15:02:30,237 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-09-24 15:02:30,237 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-09-24 15:02:30,237 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-09-24 15:02:30,237 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-09-24 15:02:30,237 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-09-24 15:02:30,237 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-09-24 15:02:30,237 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-24 15:02:30,238 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-09-24 15:02:30,238 INFO L268 CegarLoopResult]: For program point L329(line 329) no Hoare annotation was computed. [2020-09-24 15:02:30,238 INFO L268 CegarLoopResult]: For program point L263(line 263) no Hoare annotation was computed. [2020-09-24 15:02:30,238 INFO L268 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-09-24 15:02:30,238 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-09-24 15:02:30,238 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-09-24 15:02:30,238 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-09-24 15:02:30,239 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,239 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,239 INFO L268 CegarLoopResult]: For program point L396(line 396) no Hoare annotation was computed. [2020-09-24 15:02:30,239 INFO L268 CegarLoopResult]: For program point L330(line 330) no Hoare annotation was computed. [2020-09-24 15:02:30,239 INFO L268 CegarLoopResult]: For program point L264(line 264) no Hoare annotation was computed. [2020-09-24 15:02:30,239 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-09-24 15:02:30,239 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-09-24 15:02:30,240 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-09-24 15:02:30,240 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-09-24 15:02:30,240 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-09-24 15:02:30,240 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-09-24 15:02:30,240 INFO L268 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-09-24 15:02:30,240 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-09-24 15:02:30,240 INFO L268 CegarLoopResult]: For program point L265(line 265) no Hoare annotation was computed. [2020-09-24 15:02:30,240 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-09-24 15:02:30,241 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-24 15:02:30,241 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-24 15:02:30,241 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-09-24 15:02:30,241 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-09-24 15:02:30,241 INFO L268 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-09-24 15:02:30,241 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-09-24 15:02:30,241 INFO L268 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-09-24 15:02:30,242 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-09-24 15:02:30,242 INFO L268 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-09-24 15:02:30,242 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,242 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,242 INFO L268 CegarLoopResult]: For program point L399(line 399) no Hoare annotation was computed. [2020-09-24 15:02:30,242 INFO L268 CegarLoopResult]: For program point L333(line 333) no Hoare annotation was computed. [2020-09-24 15:02:30,242 INFO L268 CegarLoopResult]: For program point L267(line 267) no Hoare annotation was computed. [2020-09-24 15:02:30,242 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-09-24 15:02:30,242 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-09-24 15:02:30,243 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-09-24 15:02:30,243 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-09-24 15:02:30,243 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-09-24 15:02:30,243 INFO L268 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-09-24 15:02:30,243 INFO L268 CegarLoopResult]: For program point L334(line 334) no Hoare annotation was computed. [2020-09-24 15:02:30,243 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-09-24 15:02:30,243 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-24 15:02:30,243 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-24 15:02:30,244 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-09-24 15:02:30,244 INFO L268 CegarLoopResult]: For program point L269(line 269) no Hoare annotation was computed. [2020-09-24 15:02:30,244 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-09-24 15:02:30,244 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-09-24 15:02:30,244 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-09-24 15:02:30,244 INFO L268 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-09-24 15:02:30,244 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,244 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,244 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-09-24 15:02:30,244 INFO L268 CegarLoopResult]: For program point L270(line 270) no Hoare annotation was computed. [2020-09-24 15:02:30,245 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-09-24 15:02:30,245 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-09-24 15:02:30,245 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-09-24 15:02:30,245 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-09-24 15:02:30,245 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-09-24 15:02:30,245 INFO L268 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-09-24 15:02:30,245 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-09-24 15:02:30,245 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-09-24 15:02:30,246 INFO L268 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-09-24 15:02:30,246 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-09-24 15:02:30,246 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-24 15:02:30,246 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-09-24 15:02:30,246 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-09-24 15:02:30,246 INFO L268 CegarLoopResult]: For program point L272(line 272) no Hoare annotation was computed. [2020-09-24 15:02:30,246 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-09-24 15:02:30,246 INFO L268 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-09-24 15:02:30,246 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-09-24 15:02:30,247 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-09-24 15:02:30,247 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,247 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,247 INFO L268 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2020-09-24 15:02:30,247 INFO L268 CegarLoopResult]: For program point L339(line 339) no Hoare annotation was computed. [2020-09-24 15:02:30,247 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2020-09-24 15:02:30,247 INFO L268 CegarLoopResult]: For program point L273(line 273) no Hoare annotation was computed. [2020-09-24 15:02:30,248 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-09-24 15:02:30,248 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-09-24 15:02:30,248 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-09-24 15:02:30,248 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-09-24 15:02:30,248 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-09-24 15:02:30,248 INFO L268 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-09-24 15:02:30,248 INFO L268 CegarLoopResult]: For program point L340(line 340) no Hoare annotation was computed. [2020-09-24 15:02:30,248 INFO L268 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-09-24 15:02:30,249 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-24 15:02:30,249 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-09-24 15:02:30,249 INFO L268 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-09-24 15:02:30,249 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-09-24 15:02:30,249 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,249 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,249 INFO L268 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-09-24 15:02:30,249 INFO L268 CegarLoopResult]: For program point L342(line 342) no Hoare annotation was computed. [2020-09-24 15:02:30,249 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-09-24 15:02:30,250 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-09-24 15:02:30,250 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-09-24 15:02:30,250 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-09-24 15:02:30,250 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-09-24 15:02:30,250 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-09-24 15:02:30,250 INFO L268 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-09-24 15:02:30,250 INFO L268 CegarLoopResult]: For program point L277(line 277) no Hoare annotation was computed. [2020-09-24 15:02:30,250 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-09-24 15:02:30,251 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-24 15:02:30,251 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-09-24 15:02:30,251 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-09-24 15:02:30,251 INFO L268 CegarLoopResult]: For program point L278(line 278) no Hoare annotation was computed. [2020-09-24 15:02:30,251 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-09-24 15:02:30,251 INFO L268 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-09-24 15:02:30,251 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,251 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,252 INFO L268 CegarLoopResult]: For program point L411(line 411) no Hoare annotation was computed. [2020-09-24 15:02:30,252 INFO L268 CegarLoopResult]: For program point L345(line 345) no Hoare annotation was computed. [2020-09-24 15:02:30,252 INFO L268 CegarLoopResult]: For program point L279(line 279) no Hoare annotation was computed. [2020-09-24 15:02:30,252 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-09-24 15:02:30,252 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-09-24 15:02:30,252 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-09-24 15:02:30,252 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-09-24 15:02:30,252 INFO L268 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-09-24 15:02:30,253 INFO L268 CegarLoopResult]: For program point L346(line 346) no Hoare annotation was computed. [2020-09-24 15:02:30,253 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-09-24 15:02:30,253 INFO L268 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-09-24 15:02:30,253 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-09-24 15:02:30,253 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-09-24 15:02:30,253 INFO L268 CegarLoopResult]: For program point L281(line 281) no Hoare annotation was computed. [2020-09-24 15:02:30,253 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-09-24 15:02:30,253 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-09-24 15:02:30,253 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-09-24 15:02:30,254 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-09-24 15:02:30,254 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,254 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,254 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-09-24 15:02:30,254 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,254 INFO L268 CegarLoopResult]: For program point L282(line 282) no Hoare annotation was computed. [2020-09-24 15:02:30,254 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed. [2020-09-24 15:02:30,254 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-09-24 15:02:30,254 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-24 15:02:30,255 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,255 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-09-24 15:02:30,255 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-09-24 15:02:30,255 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-09-24 15:02:30,255 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-09-24 15:02:30,255 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-09-24 15:02:30,255 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-09-24 15:02:30,255 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-09-24 15:02:30,256 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-24 15:02:30,256 INFO L268 CegarLoopResult]: For program point L350(line 350) no Hoare annotation was computed. [2020-09-24 15:02:30,256 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-09-24 15:02:30,256 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-09-24 15:02:30,256 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-09-24 15:02:30,256 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,256 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,256 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,256 INFO L268 CegarLoopResult]: For program point L351(line 351) no Hoare annotation was computed. [2020-09-24 15:02:30,257 INFO L268 CegarLoopResult]: For program point L285(line 285) no Hoare annotation was computed. [2020-09-24 15:02:30,257 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-09-24 15:02:30,257 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-09-24 15:02:30,257 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-09-24 15:02:30,257 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-09-24 15:02:30,257 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-09-24 15:02:30,257 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-09-24 15:02:30,257 INFO L268 CegarLoopResult]: For program point L352(line 352) no Hoare annotation was computed. [2020-09-24 15:02:30,257 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-09-24 15:02:30,258 INFO L268 CegarLoopResult]: For program point L220(line 220) no Hoare annotation was computed. [2020-09-24 15:02:30,258 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-09-24 15:02:30,258 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-24 15:02:30,258 INFO L268 CegarLoopResult]: For program point L353(line 353) no Hoare annotation was computed. [2020-09-24 15:02:30,258 INFO L268 CegarLoopResult]: For program point L287(line 287) no Hoare annotation was computed. [2020-09-24 15:02:30,258 INFO L268 CegarLoopResult]: For program point L221(line 221) no Hoare annotation was computed. [2020-09-24 15:02:30,258 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-09-24 15:02:30,258 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,258 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,259 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,259 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-09-24 15:02:30,259 INFO L268 CegarLoopResult]: For program point L288(line 288) no Hoare annotation was computed. [2020-09-24 15:02:30,259 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-09-24 15:02:30,259 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-09-24 15:02:30,259 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-24 15:02:30,259 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-09-24 15:02:30,259 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-09-24 15:02:30,259 INFO L268 CegarLoopResult]: For program point L355(line 355) no Hoare annotation was computed. [2020-09-24 15:02:30,259 INFO L268 CegarLoopResult]: For program point L289(line 289) no Hoare annotation was computed. [2020-09-24 15:02:30,260 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-09-24 15:02:30,260 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-24 15:02:30,260 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-09-24 15:02:30,260 INFO L268 CegarLoopResult]: For program point L356(line 356) no Hoare annotation was computed. [2020-09-24 15:02:30,260 INFO L268 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2020-09-24 15:02:30,260 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-09-24 15:02:30,260 INFO L268 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-09-24 15:02:30,260 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-09-24 15:02:30,260 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,260 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,261 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,261 INFO L268 CegarLoopResult]: For program point L357(line 357) no Hoare annotation was computed. [2020-09-24 15:02:30,261 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-09-24 15:02:30,261 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-09-24 15:02:30,261 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-09-24 15:02:30,261 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-09-24 15:02:30,261 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-09-24 15:02:30,261 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-09-24 15:02:30,261 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-24 15:02:30,262 INFO L268 CegarLoopResult]: For program point L358(line 358) no Hoare annotation was computed. [2020-09-24 15:02:30,262 INFO L268 CegarLoopResult]: For program point L292(line 292) no Hoare annotation was computed. [2020-09-24 15:02:30,262 INFO L268 CegarLoopResult]: For program point L226(line 226) no Hoare annotation was computed. [2020-09-24 15:02:30,262 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-24 15:02:30,262 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-09-24 15:02:30,262 INFO L268 CegarLoopResult]: For program point L359(line 359) no Hoare annotation was computed. [2020-09-24 15:02:30,262 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-09-24 15:02:30,262 INFO L268 CegarLoopResult]: For program point L227(line 227) no Hoare annotation was computed. [2020-09-24 15:02:30,262 INFO L268 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-09-24 15:02:30,262 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-09-24 15:02:30,263 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,263 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,263 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,263 INFO L268 CegarLoopResult]: For program point L360(line 360) no Hoare annotation was computed. [2020-09-24 15:02:30,263 INFO L268 CegarLoopResult]: For program point L294(line 294) no Hoare annotation was computed. [2020-09-24 15:02:30,263 INFO L268 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed. [2020-09-24 15:02:30,263 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-09-24 15:02:30,263 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-09-24 15:02:30,263 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-09-24 15:02:30,264 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-09-24 15:02:30,264 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-09-24 15:02:30,264 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-09-24 15:02:30,264 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-09-24 15:02:30,264 INFO L268 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-09-24 15:02:30,264 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-09-24 15:02:30,264 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-24 15:02:30,264 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-24 15:02:30,264 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-24 15:02:30,264 INFO L268 CegarLoopResult]: For program point L362(line 362) no Hoare annotation was computed. [2020-09-24 15:02:30,265 INFO L268 CegarLoopResult]: For program point L296(line 296) no Hoare annotation was computed. [2020-09-24 15:02:30,265 INFO L268 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-09-24 15:02:30,265 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-09-24 15:02:30,265 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-09-24 15:02:30,265 INFO L268 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-09-24 15:02:30,265 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,265 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,265 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-09-24 15:02:30,265 INFO L268 CegarLoopResult]: For program point L363(line 363) no Hoare annotation was computed. [2020-09-24 15:02:30,266 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-09-24 15:02:30,266 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-09-24 15:02:30,266 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-09-24 15:02:30,266 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-09-24 15:02:30,266 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-09-24 15:02:30,266 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-09-24 15:02:30,266 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-24 15:02:30,266 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-09-24 15:02:30,266 INFO L268 CegarLoopResult]: For program point L364(line 364) no Hoare annotation was computed. [2020-09-24 15:02:30,266 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-09-24 15:02:30,267 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-09-24 15:02:30,267 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-09-24 15:02:30,267 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-09-24 15:02:30,267 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-24 15:02:30,267 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-24 15:02:30,267 INFO L268 CegarLoopResult]: For program point L365(line 365) no Hoare annotation was computed. [2020-09-24 15:02:30,267 INFO L268 CegarLoopResult]: For program point L299(line 299) no Hoare annotation was computed. [2020-09-24 15:02:30,267 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-09-24 15:02:30,267 INFO L268 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-09-24 15:02:30,268 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-09-24 15:02:30,268 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-09-24 15:02:30,268 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 15:02:30,268 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (= ~a25~0 0) (= ~a21~0 1) (<= 8 ~a17~0) (= 7 ~a28~0) (<= ~a17~0 8)) [2020-09-24 15:02:30,268 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 15:02:30,268 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 15:02:30,268 INFO L268 CegarLoopResult]: For program point L609(line 609) no Hoare annotation was computed. [2020-09-24 15:02:30,268 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-09-24 15:02:30,269 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse2 (= ~a19~0 1)) (.cse4 (= ~a25~0 1)) (.cse8 (not (= ~a28~0 ~a17~0))) (.cse0 (= ~a25~0 0)) (.cse7 (<= ~a17~0 7)) (.cse1 (not (= ~a28~0 11))) (.cse3 (<= 8 ~a17~0)) (.cse6 (= 7 ~a28~0)) (.cse5 (<= ~a17~0 8))) (or (not (<= 8 |old(~a17~0)|)) (not (= |old(~a19~0)| 1)) (and (= ~a17~0 |old(~a17~0)|) .cse0 .cse1) (not (= 0 |old(~a25~0)|)) (and .cse2 .cse3 .cse4 .cse5) (and .cse2 .cse6 .cse7) (not (<= |old(~a17~0)| 8)) (and .cse2 .cse3 .cse5 .cse1) (and (= ~a11~0 1) .cse7 .cse1) (and (not (= ~a28~0 9)) .cse8 .cse3 .cse4 .cse5 .cse1) (not (= ~a21~0 1)) (and .cse8 .cse0 .cse7 .cse1) (and .cse3 .cse6 .cse5) (not (= 7 |old(~a28~0)|)))) [2020-09-24 15:02:30,269 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-09-24 15:02:30,269 INFO L268 CegarLoopResult]: For program point L614-2(line 614) no Hoare annotation was computed. [2020-09-24 15:02:30,269 INFO L268 CegarLoopResult]: For program point L614-3(line 614) no Hoare annotation was computed. [2020-09-24 15:02:30,269 INFO L268 CegarLoopResult]: For program point L610(line 610) no Hoare annotation was computed. [2020-09-24 15:02:30,269 INFO L268 CegarLoopResult]: For program point L610-1(line 610) no Hoare annotation was computed. [2020-09-24 15:02:30,269 INFO L268 CegarLoopResult]: For program point L610-2(line 610) no Hoare annotation was computed. [2020-09-24 15:02:30,269 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= 7 ~a28~0)) (not (= 0 |old(~a25~0)|)) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|))) [2020-09-24 15:02:30,270 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (= ~a19~0 1)) (.cse4 (= ~a25~0 1)) (.cse8 (not (= ~a28~0 ~a17~0))) (.cse0 (= ~a25~0 0)) (.cse7 (<= ~a17~0 7)) (.cse1 (not (= ~a28~0 11))) (.cse3 (<= 8 ~a17~0)) (.cse6 (= 7 ~a28~0)) (.cse5 (<= ~a17~0 8))) (or (not (<= 8 |old(~a17~0)|)) (not (= |old(~a19~0)| 1)) (and (= ~a17~0 |old(~a17~0)|) .cse0 .cse1) (not (= 0 |old(~a25~0)|)) (and .cse2 .cse3 .cse4 .cse5) (and .cse2 .cse6 .cse7) (not (<= |old(~a17~0)| 8)) (and .cse2 .cse3 .cse5 .cse1) (and (= ~a11~0 1) .cse7 .cse1) (and (not (= ~a28~0 9)) .cse8 .cse3 .cse4 .cse5 .cse1) (not (= ~a21~0 1)) (and .cse8 .cse0 .cse7 .cse1) (and .cse3 .cse6 .cse5) (not (= 7 |old(~a28~0)|)))) [2020-09-24 15:02:30,270 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-09-24 15:02:30,270 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-09-24 15:02:30,270 INFO L268 CegarLoopResult]: For program point L611-1(line 611) no Hoare annotation was computed. [2020-09-24 15:02:30,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 03:02:30 BoogieIcfgContainer [2020-09-24 15:02:30,298 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 15:02:30,301 INFO L168 Benchmark]: Toolchain (without parser) took 39703.88 ms. Allocated memory was 147.8 MB in the beginning and 650.6 MB in the end (delta: 502.8 MB). Free memory was 101.2 MB in the beginning and 192.8 MB in the end (delta: -91.6 MB). Peak memory consumption was 522.0 MB. Max. memory is 7.1 GB. [2020-09-24 15:02:30,302 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 147.8 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 15:02:30,303 INFO L168 Benchmark]: CACSL2BoogieTranslator took 808.16 ms. Allocated memory was 147.8 MB in the beginning and 206.6 MB in the end (delta: 58.7 MB). Free memory was 100.6 MB in the beginning and 173.3 MB in the end (delta: -72.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. [2020-09-24 15:02:30,303 INFO L168 Benchmark]: Boogie Preprocessor took 107.48 ms. Allocated memory is still 206.6 MB. Free memory was 173.3 MB in the beginning and 168.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-09-24 15:02:30,304 INFO L168 Benchmark]: RCFGBuilder took 1433.42 ms. Allocated memory was 206.6 MB in the beginning and 237.0 MB in the end (delta: 30.4 MB). Free memory was 167.9 MB in the beginning and 159.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. [2020-09-24 15:02:30,305 INFO L168 Benchmark]: TraceAbstraction took 37342.07 ms. Allocated memory was 237.0 MB in the beginning and 650.6 MB in the end (delta: 413.7 MB). Free memory was 158.4 MB in the beginning and 192.8 MB in the end (delta: -34.5 MB). Peak memory consumption was 490.0 MB. Max. memory is 7.1 GB. [2020-09-24 15:02:30,309 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 147.8 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 808.16 ms. Allocated memory was 147.8 MB in the beginning and 206.6 MB in the end (delta: 58.7 MB). Free memory was 100.6 MB in the beginning and 173.3 MB in the end (delta: -72.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.48 ms. Allocated memory is still 206.6 MB. Free memory was 173.3 MB in the beginning and 168.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1433.42 ms. Allocated memory was 206.6 MB in the beginning and 237.0 MB in the end (delta: 30.4 MB). Free memory was 167.9 MB in the beginning and 159.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 37342.07 ms. Allocated memory was 237.0 MB in the beginning and 650.6 MB in the end (delta: 413.7 MB). Free memory was 158.4 MB in the beginning and 192.8 MB in the end (delta: -34.5 MB). Peak memory consumption was 490.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 595]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((((((!(8 <= \old(a17)) || !(\old(a19) == 1)) || ((a17 == \old(a17) && a25 == 0) && !(a28 == 11))) || !(0 == \old(a25))) || (((a19 == 1 && 8 <= a17) && a25 == 1) && a17 <= 8)) || ((a19 == 1 && 7 == a28) && a17 <= 7)) || !(\old(a17) <= 8)) || (((a19 == 1 && 8 <= a17) && a17 <= 8) && !(a28 == 11))) || ((a11 == 1 && a17 <= 7) && !(a28 == 11))) || (((((!(a28 == 9) && !(a28 == a17)) && 8 <= a17) && a25 == 1) && a17 <= 8) && !(a28 == 11))) || !(a21 == 1)) || (((!(a28 == a17) && a25 == 0) && a17 <= 7) && !(a28 == 11))) || ((8 <= a17 && 7 == a28) && a17 <= 8)) || !(7 == \old(a28)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 527 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 32.4s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 27.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2315 SDtfs, 15345 SDslu, 3251 SDs, 0 SdLazy, 15090 SolverSat, 1641 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 215 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3353occurred in iteration=7, 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, 9 MinimizatonAttempts, 1745 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 115 PreInvPairs, 173 NumberOfFragments, 683 HoareAnnotationTreeSize, 115 FomulaSimplifications, 59808 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5916 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 2109 NumberOfCodeBlocks, 2109 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2100 ConstructedInterpolants, 0 QuantifiedInterpolants, 1768808 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 579/646 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...