/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 --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 02:18:27,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 02:18:27,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 02:18:27,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-08-22 02:18:27,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 02:18:27,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 02:18:27,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 02:18:27,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 02:18:27,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 02:18:27,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 02:18:27,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 02:18:27,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 02:18:27,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 02:18:27,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 02:18:27,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 02:18:27,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 02:18:27,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 02:18:27,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 02:18:27,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 02:18:27,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 02:18:27,751 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 [2020-08-22 02:18:27,790 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 02:18:27,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 02:18:27,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 02:18:27,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 02:18:27,793 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 02:18:27,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 02:18:27,794 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 02:18:27,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 02:18:27,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 02:18:27,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 02:18:27,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 02:18:27,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 02:18:27,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 02:18:27,796 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 02:18:27,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 02:18:27,797 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 02:18:27,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 02:18:27,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 02:18:27,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 02:18:27,797 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 02:18:27,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 02:18:27,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 02:18:27,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 02:18:27,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 02:18:27,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 02:18:27,799 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 02:18:27,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 02:18:27,799 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 02:18:27,799 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 02:18:27,799 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.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-08-22 02:18:28,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 02:18:28,120 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 02:18:28,127 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 02:18:28,129 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 02:18:28,129 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 02:18:28,130 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label53.c [2020-08-22 02:18:28,207 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7b4ed60b7/ad3f25d59f824695a7c086f1887adf12/FLAG58e0591d9 [2020-08-22 02:18:28,790 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 02:18:28,794 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label53.c [2020-08-22 02:18:28,816 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7b4ed60b7/ad3f25d59f824695a7c086f1887adf12/FLAG58e0591d9 [2020-08-22 02:18:29,046 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7b4ed60b7/ad3f25d59f824695a7c086f1887adf12 [2020-08-22 02:18:29,055 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 02:18:29,057 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 02:18:29,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 02:18:29,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 02:18:29,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 02:18:29,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 02:18:29" (1/1) ... [2020-08-22 02:18:29,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6cae7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:18:29, skipping insertion in model container [2020-08-22 02:18:29,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 02:18:29" (1/1) ... [2020-08-22 02:18:29,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 02:18:29,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 02:18:29,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 02:18:29,747 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 02:18:29,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 02:18:29,883 INFO L208 MainTranslator]: Completed translation [2020-08-22 02:18:29,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:18:29 WrapperNode [2020-08-22 02:18:29,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 02:18:29,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 02:18:29,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 02:18:29,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 02:18:29,904 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:18:29" (1/1) ... [2020-08-22 02:18:29,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:18:29" (1/1) ... [2020-08-22 02:18:29,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:18:29" (1/1) ... [2020-08-22 02:18:29,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:18:29" (1/1) ... [2020-08-22 02:18:29,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:18:29" (1/1) ... [2020-08-22 02:18:29,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:18:29" (1/1) ... [2020-08-22 02:18:30,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:18:29" (1/1) ... [2020-08-22 02:18:30,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 02:18:30,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 02:18:30,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 02:18:30,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 02:18:30,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:18:29" (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 [2020-08-22 02:18:30,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 02:18:30,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 02:18:30,074 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-22 02:18:30,074 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 02:18:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-22 02:18:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 02:18:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 02:18:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-22 02:18:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 02:18:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 02:18:30,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 02:18:31,319 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 02:18:31,320 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 02:18:31,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:18:31 BoogieIcfgContainer [2020-08-22 02:18:31,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 02:18:31,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 02:18:31,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 02:18:31,332 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 02:18:31,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 02:18:29" (1/3) ... [2020-08-22 02:18:31,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6f761e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 02:18:31, skipping insertion in model container [2020-08-22 02:18:31,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:18:29" (2/3) ... [2020-08-22 02:18:31,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6f761e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 02:18:31, skipping insertion in model container [2020-08-22 02:18:31,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:18:31" (3/3) ... [2020-08-22 02:18:31,336 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label53.c [2020-08-22 02:18:31,347 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 02:18:31,355 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 02:18:31,370 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 02:18:31,397 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 02:18:31,397 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 02:18:31,397 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 02:18:31,397 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 02:18:31,398 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 02:18:31,398 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 02:18:31,398 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 02:18:31,398 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 02:18:31,422 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-22 02:18:31,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-08-22 02:18:31,431 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:18:31,432 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] [2020-08-22 02:18:31,433 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:18:31,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:18:31,439 INFO L82 PathProgramCache]: Analyzing trace with hash 253834415, now seen corresponding path program 1 times [2020-08-22 02:18:31,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:18:31,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1376036846] [2020-08-22 02:18:31,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:18:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:31,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:18:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:31,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:18:31,805 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1376036846] [2020-08-22 02:18:31,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:18:31,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 02:18:31,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567308672] [2020-08-22 02:18:31,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 02:18:31,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:18:31,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 02:18:31,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 02:18:31,833 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-08-22 02:18:33,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:18:33,952 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-08-22 02:18:33,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 02:18:33,954 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2020-08-22 02:18:33,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:18:33,974 INFO L225 Difference]: With dead ends: 730 [2020-08-22 02:18:33,974 INFO L226 Difference]: Without dead ends: 447 [2020-08-22 02:18:33,983 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 02:18:34,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-08-22 02:18:34,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-08-22 02:18:34,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-08-22 02:18:34,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-08-22 02:18:34,077 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 48 [2020-08-22 02:18:34,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:18:34,081 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-08-22 02:18:34,081 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 02:18:34,082 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-08-22 02:18:34,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-08-22 02:18:34,094 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:18:34,095 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:18:34,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 02:18:34,095 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:18:34,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:18:34,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1295505465, now seen corresponding path program 1 times [2020-08-22 02:18:34,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:18:34,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1887800188] [2020-08-22 02:18:34,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:18:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:34,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:18:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:34,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 02:18:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:34,387 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:18:34,387 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1887800188] [2020-08-22 02:18:34,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:18:34,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 02:18:34,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883181331] [2020-08-22 02:18:34,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 02:18:34,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:18:34,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 02:18:34,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 02:18:34,391 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-08-22 02:18:35,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:18:35,993 INFO L93 Difference]: Finished difference Result 1041 states and 1612 transitions. [2020-08-22 02:18:35,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 02:18:35,994 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 121 [2020-08-22 02:18:35,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:18:36,001 INFO L225 Difference]: With dead ends: 1041 [2020-08-22 02:18:36,001 INFO L226 Difference]: Without dead ends: 606 [2020-08-22 02:18:36,003 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-08-22 02:18:36,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2020-08-22 02:18:36,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 592. [2020-08-22 02:18:36,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-08-22 02:18:36,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 829 transitions. [2020-08-22 02:18:36,047 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 829 transitions. Word has length 121 [2020-08-22 02:18:36,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:18:36,048 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 829 transitions. [2020-08-22 02:18:36,048 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 02:18:36,048 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 829 transitions. [2020-08-22 02:18:36,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-08-22 02:18:36,052 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:18:36,052 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:18:36,052 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 02:18:36,053 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:18:36,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:18:36,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1735493107, now seen corresponding path program 1 times [2020-08-22 02:18:36,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:18:36,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1062782615] [2020-08-22 02:18:36,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:18:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:36,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:18:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:36,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 02:18:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:36,335 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 24 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:18:36,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1062782615] [2020-08-22 02:18:36,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 02:18:36,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 02:18:36,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848779655] [2020-08-22 02:18:36,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 02:18:36,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:18:36,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 02:18:36,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 02:18:36,338 INFO L87 Difference]: Start difference. First operand 592 states and 829 transitions. Second operand 8 states. [2020-08-22 02:18:38,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:18:38,153 INFO L93 Difference]: Finished difference Result 1821 states and 2679 transitions. [2020-08-22 02:18:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 02:18:38,153 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 127 [2020-08-22 02:18:38,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:18:38,164 INFO L225 Difference]: With dead ends: 1821 [2020-08-22 02:18:38,164 INFO L226 Difference]: Without dead ends: 1208 [2020-08-22 02:18:38,167 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-08-22 02:18:38,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2020-08-22 02:18:38,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1035. [2020-08-22 02:18:38,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1035 states. [2020-08-22 02:18:38,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1482 transitions. [2020-08-22 02:18:38,279 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1482 transitions. Word has length 127 [2020-08-22 02:18:38,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:18:38,279 INFO L479 AbstractCegarLoop]: Abstraction has 1035 states and 1482 transitions. [2020-08-22 02:18:38,279 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 02:18:38,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1482 transitions. [2020-08-22 02:18:38,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-08-22 02:18:38,291 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:18:38,292 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:18:38,292 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 02:18:38,292 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:18:38,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:18:38,293 INFO L82 PathProgramCache]: Analyzing trace with hash 865078570, now seen corresponding path program 1 times [2020-08-22 02:18:38,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:18:38,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1513369095] [2020-08-22 02:18:38,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:18:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:38,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:18:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:38,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 02:18:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:38,486 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:18:38,486 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1513369095] [2020-08-22 02:18:38,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:18:38,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 02:18:38,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041126018] [2020-08-22 02:18:38,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 02:18:38,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:18:38,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 02:18:38,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 02:18:38,489 INFO L87 Difference]: Start difference. First operand 1035 states and 1482 transitions. Second operand 7 states. [2020-08-22 02:18:39,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:18:39,936 INFO L93 Difference]: Finished difference Result 2664 states and 3890 transitions. [2020-08-22 02:18:39,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 02:18:39,941 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 138 [2020-08-22 02:18:39,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:18:39,955 INFO L225 Difference]: With dead ends: 2664 [2020-08-22 02:18:39,955 INFO L226 Difference]: Without dead ends: 1635 [2020-08-22 02:18:39,959 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-08-22 02:18:39,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2020-08-22 02:18:40,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1339. [2020-08-22 02:18:40,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1339 states. [2020-08-22 02:18:40,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1339 states and 1904 transitions. [2020-08-22 02:18:40,020 INFO L78 Accepts]: Start accepts. Automaton has 1339 states and 1904 transitions. Word has length 138 [2020-08-22 02:18:40,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:18:40,021 INFO L479 AbstractCegarLoop]: Abstraction has 1339 states and 1904 transitions. [2020-08-22 02:18:40,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 02:18:40,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1904 transitions. [2020-08-22 02:18:40,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-08-22 02:18:40,025 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:18:40,025 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:18:40,025 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 02:18:40,026 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:18:40,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:18:40,026 INFO L82 PathProgramCache]: Analyzing trace with hash 881347486, now seen corresponding path program 1 times [2020-08-22 02:18:40,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:18:40,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1184786830] [2020-08-22 02:18:40,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:18:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:40,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:18:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:40,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 02:18:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:40,313 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:18:40,313 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1184786830] [2020-08-22 02:18:40,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:18:40,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 02:18:40,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716959048] [2020-08-22 02:18:40,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 02:18:40,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:18:40,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 02:18:40,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 02:18:40,317 INFO L87 Difference]: Start difference. First operand 1339 states and 1904 transitions. Second operand 8 states. [2020-08-22 02:18:42,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:18:42,455 INFO L93 Difference]: Finished difference Result 3999 states and 5910 transitions. [2020-08-22 02:18:42,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 02:18:42,456 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 160 [2020-08-22 02:18:42,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:18:42,475 INFO L225 Difference]: With dead ends: 3999 [2020-08-22 02:18:42,475 INFO L226 Difference]: Without dead ends: 2809 [2020-08-22 02:18:42,480 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-08-22 02:18:42,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2809 states. [2020-08-22 02:18:42,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2809 to 2368. [2020-08-22 02:18:42,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2368 states. [2020-08-22 02:18:42,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 2368 states and 3265 transitions. [2020-08-22 02:18:42,562 INFO L78 Accepts]: Start accepts. Automaton has 2368 states and 3265 transitions. Word has length 160 [2020-08-22 02:18:42,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:18:42,562 INFO L479 AbstractCegarLoop]: Abstraction has 2368 states and 3265 transitions. [2020-08-22 02:18:42,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 02:18:42,563 INFO L276 IsEmpty]: Start isEmpty. Operand 2368 states and 3265 transitions. [2020-08-22 02:18:42,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-08-22 02:18:42,566 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:18:42,567 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:18:42,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 02:18:42,567 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:18:42,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:18:42,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1319535158, now seen corresponding path program 1 times [2020-08-22 02:18:42,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:18:42,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [978208287] [2020-08-22 02:18:42,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:18:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:42,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:18:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:42,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 02:18:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:42,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-22 02:18:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:42,895 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 146 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 02:18:42,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [978208287] [2020-08-22 02:18:42,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 02:18:42,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 02:18:42,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835535847] [2020-08-22 02:18:42,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 02:18:42,899 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:18:42,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 02:18:42,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-22 02:18:42,899 INFO L87 Difference]: Start difference. First operand 2368 states and 3265 transitions. Second operand 10 states. [2020-08-22 02:18:46,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:18:46,722 INFO L93 Difference]: Finished difference Result 5616 states and 7776 transitions. [2020-08-22 02:18:46,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-22 02:18:46,726 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 197 [2020-08-22 02:18:46,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:18:46,752 INFO L225 Difference]: With dead ends: 5616 [2020-08-22 02:18:46,752 INFO L226 Difference]: Without dead ends: 3254 [2020-08-22 02:18:46,759 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600 [2020-08-22 02:18:46,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3254 states. [2020-08-22 02:18:46,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3254 to 2960. [2020-08-22 02:18:46,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2960 states. [2020-08-22 02:18:46,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2960 states and 3805 transitions. [2020-08-22 02:18:46,861 INFO L78 Accepts]: Start accepts. Automaton has 2960 states and 3805 transitions. Word has length 197 [2020-08-22 02:18:46,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:18:46,862 INFO L479 AbstractCegarLoop]: Abstraction has 2960 states and 3805 transitions. [2020-08-22 02:18:46,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 02:18:46,862 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 3805 transitions. [2020-08-22 02:18:46,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-08-22 02:18:46,868 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:18:46,868 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:18:46,869 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 02:18:46,869 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:18:46,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:18:46,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1444149127, now seen corresponding path program 1 times [2020-08-22 02:18:46,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:18:46,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2140411420] [2020-08-22 02:18:46,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:18:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:46,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:18:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:46,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 02:18:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:47,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 02:18:47,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:47,359 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 82 proven. 85 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 02:18:47,359 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2140411420] [2020-08-22 02:18:47,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 02:18:47,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 02:18:47,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988221063] [2020-08-22 02:18:47,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 02:18:47,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:18:47,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 02:18:47,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 02:18:47,363 INFO L87 Difference]: Start difference. First operand 2960 states and 3805 transitions. Second operand 7 states. [2020-08-22 02:18:48,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:18:48,830 INFO L93 Difference]: Finished difference Result 6073 states and 7848 transitions. [2020-08-22 02:18:48,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 02:18:48,831 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 234 [2020-08-22 02:18:48,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:18:48,844 INFO L225 Difference]: With dead ends: 6073 [2020-08-22 02:18:48,845 INFO L226 Difference]: Without dead ends: 3119 [2020-08-22 02:18:48,852 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-22 02:18:48,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3119 states. [2020-08-22 02:18:48,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3119 to 3105. [2020-08-22 02:18:48,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3105 states. [2020-08-22 02:18:48,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3105 states to 3105 states and 3960 transitions. [2020-08-22 02:18:48,950 INFO L78 Accepts]: Start accepts. Automaton has 3105 states and 3960 transitions. Word has length 234 [2020-08-22 02:18:48,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:18:48,951 INFO L479 AbstractCegarLoop]: Abstraction has 3105 states and 3960 transitions. [2020-08-22 02:18:48,951 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 02:18:48,951 INFO L276 IsEmpty]: Start isEmpty. Operand 3105 states and 3960 transitions. [2020-08-22 02:18:48,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-08-22 02:18:48,957 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:18:48,957 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:18:48,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 02:18:48,958 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:18:48,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:18:48,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1397446144, now seen corresponding path program 1 times [2020-08-22 02:18:48,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:18:48,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1061302248] [2020-08-22 02:18:48,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:18:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:49,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:18:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:49,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 02:18:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:49,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-22 02:18:49,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:49,299 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 169 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 02:18:49,300 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1061302248] [2020-08-22 02:18:49,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 02:18:49,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 02:18:49,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905788504] [2020-08-22 02:18:49,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 02:18:49,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:18:49,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 02:18:49,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 02:18:49,304 INFO L87 Difference]: Start difference. First operand 3105 states and 3960 transitions. Second operand 7 states. [2020-08-22 02:18:50,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:18:50,825 INFO L93 Difference]: Finished difference Result 6069 states and 7818 transitions. [2020-08-22 02:18:50,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 02:18:50,826 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 253 [2020-08-22 02:18:50,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:18:50,838 INFO L225 Difference]: With dead ends: 6069 [2020-08-22 02:18:50,839 INFO L226 Difference]: Without dead ends: 3113 [2020-08-22 02:18:50,845 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-22 02:18:50,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3113 states. [2020-08-22 02:18:50,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3113 to 2674. [2020-08-22 02:18:50,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2674 states. [2020-08-22 02:18:50,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 3207 transitions. [2020-08-22 02:18:50,918 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 3207 transitions. Word has length 253 [2020-08-22 02:18:50,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:18:50,919 INFO L479 AbstractCegarLoop]: Abstraction has 2674 states and 3207 transitions. [2020-08-22 02:18:50,919 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 02:18:50,919 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3207 transitions. [2020-08-22 02:18:50,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-08-22 02:18:50,925 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:18:50,926 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:18:50,926 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 02:18:50,926 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:18:50,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:18:50,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1784985051, now seen corresponding path program 1 times [2020-08-22 02:18:50,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:18:50,927 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [221207335] [2020-08-22 02:18:50,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:18:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:51,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:18:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:51,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 02:18:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:51,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-22 02:18:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:51,266 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 149 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 02:18:51,266 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [221207335] [2020-08-22 02:18:51,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 02:18:51,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 02:18:51,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344763203] [2020-08-22 02:18:51,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 02:18:51,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:18:51,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 02:18:51,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 02:18:51,277 INFO L87 Difference]: Start difference. First operand 2674 states and 3207 transitions. Second operand 7 states. [2020-08-22 02:18:52,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:18:52,764 INFO L93 Difference]: Finished difference Result 5209 states and 6286 transitions. [2020-08-22 02:18:52,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 02:18:52,765 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 260 [2020-08-22 02:18:52,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:18:52,778 INFO L225 Difference]: With dead ends: 5209 [2020-08-22 02:18:52,778 INFO L226 Difference]: Without dead ends: 2684 [2020-08-22 02:18:52,784 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-22 02:18:52,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2684 states. [2020-08-22 02:18:52,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2684 to 2235. [2020-08-22 02:18:52,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2235 states. [2020-08-22 02:18:52,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 2235 states and 2591 transitions. [2020-08-22 02:18:52,847 INFO L78 Accepts]: Start accepts. Automaton has 2235 states and 2591 transitions. Word has length 260 [2020-08-22 02:18:52,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:18:52,848 INFO L479 AbstractCegarLoop]: Abstraction has 2235 states and 2591 transitions. [2020-08-22 02:18:52,848 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 02:18:52,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 2591 transitions. [2020-08-22 02:18:52,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2020-08-22 02:18:52,856 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:18:52,856 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:18:52,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 02:18:52,857 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:18:52,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:18:52,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1994852443, now seen corresponding path program 1 times [2020-08-22 02:18:52,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:18:52,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [159026035] [2020-08-22 02:18:52,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:18:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:52,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:18:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:52,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 02:18:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:53,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-22 02:18:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:18:53,168 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-08-22 02:18:53,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [159026035] [2020-08-22 02:18:53,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 02:18:53,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-22 02:18:53,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047203629] [2020-08-22 02:18:53,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 02:18:53,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:18:53,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 02:18:53,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 02:18:53,172 INFO L87 Difference]: Start difference. First operand 2235 states and 2591 transitions. Second operand 5 states. [2020-08-22 02:18:54,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:18:54,320 INFO L93 Difference]: Finished difference Result 4762 states and 5594 transitions. [2020-08-22 02:18:54,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 02:18:54,321 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 304 [2020-08-22 02:18:54,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:18:54,322 INFO L225 Difference]: With dead ends: 4762 [2020-08-22 02:18:54,322 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 02:18:54,331 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-22 02:18:54,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 02:18:54,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 02:18:54,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 02:18:54,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 02:18:54,332 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 304 [2020-08-22 02:18:54,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:18:54,332 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 02:18:54,332 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 02:18:54,333 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 02:18:54,333 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 02:18:54,333 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 02:18:54,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 02:18:54,660 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 95 [2020-08-22 02:18:55,538 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 61 [2020-08-22 02:18:56,181 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 57 [2020-08-22 02:18:56,758 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 57 [2020-08-22 02:18:56,762 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:18:56,763 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-08-22 02:18:56,763 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:18:56,763 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-22 02:18:56,763 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,763 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,763 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,764 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,764 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,764 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,764 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-22 02:18:56,764 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-22 02:18:56,764 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-22 02:18:56,765 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-22 02:18:56,765 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-22 02:18:56,765 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-22 02:18:56,765 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-22 02:18:56,765 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-22 02:18:56,765 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-22 02:18:56,765 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-22 02:18:56,765 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-22 02:18:56,766 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,766 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,766 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,766 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,766 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,766 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-22 02:18:56,766 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-22 02:18:56,766 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-22 02:18:56,767 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-22 02:18:56,767 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-22 02:18:56,767 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-22 02:18:56,767 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-22 02:18:56,767 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-22 02:18:56,767 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-22 02:18:56,767 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-22 02:18:56,767 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-22 02:18:56,768 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-22 02:18:56,768 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-22 02:18:56,768 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed. [2020-08-22 02:18:56,768 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-22 02:18:56,768 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,768 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,768 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,768 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,769 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,769 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-22 02:18:56,769 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-22 02:18:56,769 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-22 02:18:56,769 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-22 02:18:56,769 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-22 02:18:56,769 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-22 02:18:56,770 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-22 02:18:56,770 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-22 02:18:56,770 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-22 02:18:56,770 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-22 02:18:56,770 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,770 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,770 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,770 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,771 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,771 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-22 02:18:56,771 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-22 02:18:56,771 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-22 02:18:56,771 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-22 02:18:56,771 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-22 02:18:56,771 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-22 02:18:56,771 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-22 02:18:56,772 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-22 02:18:56,772 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-22 02:18:56,772 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-22 02:18:56,772 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-22 02:18:56,772 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-22 02:18:56,772 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-22 02:18:56,772 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,772 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,773 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,773 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,773 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,773 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-22 02:18:56,773 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-22 02:18:56,773 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-22 02:18:56,773 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-22 02:18:56,774 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-22 02:18:56,774 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-22 02:18:56,774 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-22 02:18:56,774 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-22 02:18:56,774 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-22 02:18:56,774 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,774 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,774 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,775 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,775 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,775 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,775 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,775 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-22 02:18:56,775 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-22 02:18:56,775 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-22 02:18:56,775 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-22 02:18:56,776 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-22 02:18:56,776 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-22 02:18:56,776 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-22 02:18:56,776 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-22 02:18:56,776 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-22 02:18:56,776 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-22 02:18:56,776 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-22 02:18:56,777 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-22 02:18:56,777 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-22 02:18:56,777 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,777 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,777 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,777 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,777 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-22 02:18:56,777 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,778 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,778 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-22 02:18:56,778 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-22 02:18:56,778 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-22 02:18:56,778 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-22 02:18:56,778 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-22 02:18:56,778 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-22 02:18:56,778 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-22 02:18:56,779 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-22 02:18:56,779 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-22 02:18:56,779 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-22 02:18:56,779 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-22 02:18:56,779 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-22 02:18:56,779 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-22 02:18:56,779 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,779 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,780 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,780 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,780 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,780 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,780 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-22 02:18:56,780 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-22 02:18:56,780 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-22 02:18:56,780 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-22 02:18:56,780 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-22 02:18:56,781 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-22 02:18:56,781 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-22 02:18:56,781 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-22 02:18:56,781 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-22 02:18:56,781 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-22 02:18:56,781 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-22 02:18:56,782 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (not (= |old(~a10~0)| 1))) (.cse0 (not (<= 9 |old(~a19~0)|))) (.cse6 (not (<= |old(~a1~0)| 23))) (.cse7 (not (<= |old(~a10~0)| 0))) (.cse2 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse3 (not (<= |old(~a19~0)| 9))) (.cse4 (not (= 14 ~a4~0))) (.cse5 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse2 .cse3 (not (= 2 |old(~a10~0)|))) (or .cse1 .cse2 .cse4 .cse5) (or .cse2 .cse3 (not (= 4 |old(~a10~0)|))) (or .cse2 (and (or .cse6 .cse3) (or .cse3 (= 8 |old(~a19~0)|)))) (or .cse2 (and (or .cse0 (not (= 0 |old(~a10~0)|))) (or .cse7 .cse6))) (or .cse7 .cse2 .cse3 .cse4 .cse5))) [2020-08-22 02:18:56,782 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-22 02:18:56,782 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-22 02:18:56,782 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-22 02:18:56,782 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,782 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,782 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,782 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,783 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,783 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,783 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-22 02:18:56,783 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-22 02:18:56,783 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-22 02:18:56,783 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-22 02:18:56,783 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-22 02:18:56,783 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-22 02:18:56,784 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-22 02:18:56,784 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-22 02:18:56,784 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-22 02:18:56,784 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-22 02:18:56,784 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-22 02:18:56,784 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-22 02:18:56,784 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-22 02:18:56,784 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,784 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,785 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,785 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,785 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,785 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,785 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-22 02:18:56,785 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-22 02:18:56,785 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-22 02:18:56,785 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-22 02:18:56,786 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-22 02:18:56,786 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-22 02:18:56,786 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-22 02:18:56,786 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-22 02:18:56,786 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-22 02:18:56,786 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-22 02:18:56,786 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-22 02:18:56,786 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-22 02:18:56,787 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,787 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,787 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,787 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,787 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,787 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 02:18:56,787 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-22 02:18:56,787 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-22 02:18:56,787 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-22 02:18:56,788 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-22 02:18:56,788 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-22 02:18:56,788 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-22 02:18:56,788 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-22 02:18:56,788 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-22 02:18:56,788 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-22 02:18:56,788 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-22 02:18:56,788 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-22 02:18:56,788 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-22 02:18:56,789 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:18:56,789 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= ~a4~0 14) (<= 23 ~a1~0) (<= 9 ~a19~0) (= ~a12~0 0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-08-22 02:18:56,789 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 02:18:56,789 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:18:56,789 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (and (<= 23 ~a1~0) (<= 9 ~a19~0) (<= ~a19~0 9) (<= ~a1~0 23) (= ~a10~0 |old(~a10~0)|)) (not (= ~a12~0 0))) [2020-08-22 02:18:56,789 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-22 02:18:56,790 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse2 (= ~a10~0 1)) (.cse6 (= ~a19~0 8)) (.cse3 (= ~a10~0 |old(~a10~0)|)) (.cse4 (<= ~a10~0 0)) (.cse0 (<= ~a19~0 9)) (.cse5 (<= ~a1~0 23)) (.cse1 (= 0 |old(~a10~0)|))) (or (and (= ~a10~0 2) .cse0 .cse1) (and .cse2 .cse1) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) .cse3) (and .cse4 .cse5 .cse1) (and .cse6 .cse2 (<= 331505 ~a1~0)) (and (not .cse6) .cse0 .cse1) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (and .cse1 .cse3) (and .cse0 (= ~a10~0 4) .cse1) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and .cse4 .cse0 .cse1) (and .cse0 .cse5 .cse1) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)))) [2020-08-22 02:18:56,790 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-22 02:18:56,790 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-22 02:18:56,790 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse2 (= ~a10~0 1)) (.cse6 (= ~a19~0 8)) (.cse3 (= ~a10~0 |old(~a10~0)|)) (.cse4 (<= ~a10~0 0)) (.cse0 (<= ~a19~0 9)) (.cse5 (<= ~a1~0 23)) (.cse1 (= 0 |old(~a10~0)|))) (or (and (= ~a10~0 2) .cse0 .cse1) (and .cse2 .cse1) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) .cse3) (and .cse4 .cse5 .cse1) (and .cse6 .cse2 (<= 331505 ~a1~0)) (and (not .cse6) .cse0 .cse1) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (and .cse1 .cse3) (and .cse0 (= ~a10~0 4) .cse1) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and .cse4 .cse0 .cse1) (and .cse0 .cse5 .cse1) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)))) [2020-08-22 02:18:56,791 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-22 02:18:56,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 02:18:56 BoogieIcfgContainer [2020-08-22 02:18:56,813 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 02:18:56,815 INFO L168 Benchmark]: Toolchain (without parser) took 27758.46 ms. Allocated memory was 148.9 MB in the beginning and 550.0 MB in the end (delta: 401.1 MB). Free memory was 101.7 MB in the beginning and 360.1 MB in the end (delta: -258.3 MB). Peak memory consumption was 380.0 MB. Max. memory is 7.1 GB. [2020-08-22 02:18:56,816 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 148.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 02:18:56,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 825.70 ms. Allocated memory was 148.9 MB in the beginning and 205.5 MB in the end (delta: 56.6 MB). Free memory was 101.5 MB in the beginning and 171.5 MB in the end (delta: -70.0 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. [2020-08-22 02:18:56,817 INFO L168 Benchmark]: Boogie Preprocessor took 129.03 ms. Allocated memory is still 205.5 MB. Free memory was 171.5 MB in the beginning and 166.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-08-22 02:18:56,818 INFO L168 Benchmark]: RCFGBuilder took 1312.75 ms. Allocated memory was 205.5 MB in the beginning and 237.0 MB in the end (delta: 31.5 MB). Free memory was 166.8 MB in the beginning and 176.6 MB in the end (delta: -9.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. [2020-08-22 02:18:56,819 INFO L168 Benchmark]: TraceAbstraction took 25485.07 ms. Allocated memory was 237.0 MB in the beginning and 550.0 MB in the end (delta: 313.0 MB). Free memory was 176.6 MB in the beginning and 360.1 MB in the end (delta: -183.5 MB). Peak memory consumption was 366.8 MB. Max. memory is 7.1 GB. [2020-08-22 02:18:56,822 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 148.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 825.70 ms. Allocated memory was 148.9 MB in the beginning and 205.5 MB in the end (delta: 56.6 MB). Free memory was 101.5 MB in the beginning and 171.5 MB in the end (delta: -70.0 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.03 ms. Allocated memory is still 205.5 MB. Free memory was 171.5 MB in the beginning and 166.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1312.75 ms. Allocated memory was 205.5 MB in the beginning and 237.0 MB in the end (delta: 31.5 MB). Free memory was 166.8 MB in the beginning and 176.6 MB in the end (delta: -9.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25485.07 ms. Allocated memory was 237.0 MB in the beginning and 550.0 MB in the end (delta: 313.0 MB). Free memory was 176.6 MB in the beginning and 360.1 MB in the end (delta: -183.5 MB). Peak memory consumption was 366.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 130]: 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: 582]: Loop Invariant Derived loop invariant: (((((((((((((((((a10 == 2 && a19 <= 9) && 0 == \old(a10)) || (a10 == 1 && 0 == \old(a10))) || ((a1 == \old(a1) && a19 == \old(a19)) && a10 == \old(a10))) || ((a10 <= 0 && a1 <= 23) && 0 == \old(a10))) || ((a19 == 8 && a10 == 1) && 331505 <= a1)) || ((!(a19 == 8) && a19 <= 9) && 0 == \old(a10))) || !(a12 == 0)) || !(23 <= \old(a1))) || (0 == \old(a10) && a10 == \old(a10))) || ((a19 <= 9 && a10 == 4) && 0 == \old(a10))) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || ((a10 <= 0 && a19 <= 9) && 0 == \old(a10))) || ((a19 <= 9 && a1 <= 23) && 0 == \old(a10))) || !(\old(a1) <= 23)) || !(14 == a4)) || !(\old(a19) <= 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.9s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 18.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 300 SDtfs, 5358 SDslu, 485 SDs, 0 SdLazy, 12017 SolverSat, 1474 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3105occurred 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: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 2126 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 136 PreInvPairs, 176 NumberOfFragments, 514 HoareAnnotationTreeSize, 136 FomulaSimplifications, 60824 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7145 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1842 NumberOfCodeBlocks, 1842 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1832 ConstructedInterpolants, 0 QuantifiedInterpolants, 868970 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 896/1009 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...