/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=5 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 17:57:13,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 17:57:13,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 17:57:13,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-08-18 17:57:13,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 17:57:13,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 17:57:13,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 17:57:13,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 17:57:13,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 17:57:13,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 17:57:13,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 17:57:13,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 17:57:13,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 17:57:13,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 17:57:13,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 17:57:13,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 17:57:13,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-18 17:57:13,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 17:57:13,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 17:57:13,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 17:57:13,927 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 [2020-08-18 17:57:13,966 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 17:57:13,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 17:57:13,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 17:57:13,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 17:57:13,969 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 17:57:13,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 17:57:13,969 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 17:57:13,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 17:57:13,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 17:57:13,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 17:57:13,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 17:57:13,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 17:57:13,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 17:57:13,972 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 17:57:13,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 17:57:13,972 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 17:57:13,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 17:57:13,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 17:57:13,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 17:57:13,973 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 17:57:13,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 17:57:13,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 17:57:13,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 17:57:13,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 17:57:13,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 17:57:13,974 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 17:57:13,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 17:57:13,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 17:57:13,975 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 17:57:13,975 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=5;interpolation-heuristic=BIGGEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; [2020-08-18 17:57:14,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 17:57:14,309 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 17:57:14,315 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 17:57:14,323 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 17:57:14,323 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 17:57:14,324 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label30.c [2020-08-18 17:57:14,385 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/974d301e5/a2df4d1db2254b71b4c9cf6851396d60/FLAG3a311b500 [2020-08-18 17:57:14,955 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 17:57:14,955 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label30.c [2020-08-18 17:57:14,975 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/974d301e5/a2df4d1db2254b71b4c9cf6851396d60/FLAG3a311b500 [2020-08-18 17:57:15,252 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/974d301e5/a2df4d1db2254b71b4c9cf6851396d60 [2020-08-18 17:57:15,261 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 17:57:15,262 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 17:57:15,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 17:57:15,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 17:57:15,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 17:57:15,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:57:15" (1/1) ... [2020-08-18 17:57:15,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d265cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:57:15, skipping insertion in model container [2020-08-18 17:57:15,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:57:15" (1/1) ... [2020-08-18 17:57:15,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 17:57:15,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 17:57:15,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:57:15,898 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 17:57:16,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:57:16,049 INFO L208 MainTranslator]: Completed translation [2020-08-18 17:57:16,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:57:16 WrapperNode [2020-08-18 17:57:16,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 17:57:16,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 17:57:16,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 17:57:16,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 17:57:16,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:57:16" (1/1) ... [2020-08-18 17:57:16,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:57:16" (1/1) ... [2020-08-18 17:57:16,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:57:16" (1/1) ... [2020-08-18 17:57:16,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:57:16" (1/1) ... [2020-08-18 17:57:16,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:57:16" (1/1) ... [2020-08-18 17:57:16,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:57:16" (1/1) ... [2020-08-18 17:57:16,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:57:16" (1/1) ... [2020-08-18 17:57:16,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 17:57:16,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 17:57:16,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 17:57:16,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 17:57:16,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:57:16" (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 [2020-08-18 17:57:16,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 17:57:16,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 17:57:16,236 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-18 17:57:16,237 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 17:57:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-18 17:57:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 17:57:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 17:57:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-18 17:57:16,238 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 17:57:16,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 17:57:16,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 17:57:17,524 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 17:57:17,524 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-18 17:57:17,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:57:17 BoogieIcfgContainer [2020-08-18 17:57:17,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 17:57:17,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 17:57:17,540 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 17:57:17,544 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 17:57:17,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 05:57:15" (1/3) ... [2020-08-18 17:57:17,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa3fd92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:57:17, skipping insertion in model container [2020-08-18 17:57:17,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:57:16" (2/3) ... [2020-08-18 17:57:17,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa3fd92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:57:17, skipping insertion in model container [2020-08-18 17:57:17,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:57:17" (3/3) ... [2020-08-18 17:57:17,550 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label30.c [2020-08-18 17:57:17,564 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 17:57:17,576 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 17:57:17,593 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 17:57:17,628 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 17:57:17,629 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 17:57:17,629 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 17:57:17,630 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 17:57:17,630 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 17:57:17,630 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 17:57:17,630 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 17:57:17,630 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 17:57:17,658 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-18 17:57:17,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-18 17:57:17,673 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:57:17,674 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] [2020-08-18 17:57:17,674 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:57:17,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:57:17,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1422134543, now seen corresponding path program 1 times [2020-08-18 17:57:17,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:57:17,691 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [692820854] [2020-08-18 17:57:17,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:57:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:18,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:57:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:18,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:57:18,065 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [692820854] [2020-08-18 17:57:18,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:57:18,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 17:57:18,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014147462] [2020-08-18 17:57:18,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 17:57:18,074 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:57:18,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 17:57:18,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 17:57:18,096 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-08-18 17:57:20,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:57:20,233 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-08-18 17:57:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 17:57:20,235 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-08-18 17:57:20,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:57:20,254 INFO L225 Difference]: With dead ends: 730 [2020-08-18 17:57:20,254 INFO L226 Difference]: Without dead ends: 447 [2020-08-18 17:57:20,263 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 [2020-08-18 17:57:20,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-08-18 17:57:20,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-08-18 17:57:20,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-08-18 17:57:20,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-08-18 17:57:20,364 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 40 [2020-08-18 17:57:20,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:57:20,364 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-08-18 17:57:20,365 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 17:57:20,365 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-08-18 17:57:20,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-08-18 17:57:20,371 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:57:20,372 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:57:20,372 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 17:57:20,372 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:57:20,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:57:20,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1223819674, now seen corresponding path program 1 times [2020-08-18 17:57:20,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:57:20,374 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [856583869] [2020-08-18 17:57:20,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:57:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:20,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:57:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:20,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 17:57:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:20,691 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:57:20,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [856583869] [2020-08-18 17:57:20,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:57:20,693 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 17:57:20,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097778017] [2020-08-18 17:57:20,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 17:57:20,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:57:20,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 17:57:20,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 17:57:20,696 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-08-18 17:57:22,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:57:22,830 INFO L93 Difference]: Finished difference Result 1490 states and 2350 transitions. [2020-08-18 17:57:22,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 17:57:22,831 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 122 [2020-08-18 17:57:22,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:57:22,841 INFO L225 Difference]: With dead ends: 1490 [2020-08-18 17:57:22,841 INFO L226 Difference]: Without dead ends: 1055 [2020-08-18 17:57:22,843 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-08-18 17:57:22,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2020-08-18 17:57:22,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 745. [2020-08-18 17:57:22,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-08-18 17:57:22,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1066 transitions. [2020-08-18 17:57:22,913 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1066 transitions. Word has length 122 [2020-08-18 17:57:22,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:57:22,914 INFO L479 AbstractCegarLoop]: Abstraction has 745 states and 1066 transitions. [2020-08-18 17:57:22,914 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 17:57:22,915 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1066 transitions. [2020-08-18 17:57:22,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-08-18 17:57:22,925 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:57:22,925 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:57:22,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 17:57:22,926 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:57:22,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:57:22,926 INFO L82 PathProgramCache]: Analyzing trace with hash 52272842, now seen corresponding path program 1 times [2020-08-18 17:57:22,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:57:22,927 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [119057060] [2020-08-18 17:57:22,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:57:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:23,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:57:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:23,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 17:57:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:23,238 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:57:23,239 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [119057060] [2020-08-18 17:57:23,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:57:23,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 17:57:23,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827255608] [2020-08-18 17:57:23,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 17:57:23,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:57:23,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 17:57:23,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 17:57:23,241 INFO L87 Difference]: Start difference. First operand 745 states and 1066 transitions. Second operand 8 states. [2020-08-18 17:57:24,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:57:24,815 INFO L93 Difference]: Finished difference Result 1822 states and 2689 transitions. [2020-08-18 17:57:24,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 17:57:24,817 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 162 [2020-08-18 17:57:24,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:57:24,829 INFO L225 Difference]: With dead ends: 1822 [2020-08-18 17:57:24,830 INFO L226 Difference]: Without dead ends: 1083 [2020-08-18 17:57:24,833 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 [2020-08-18 17:57:24,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2020-08-18 17:57:24,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1055. [2020-08-18 17:57:24,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1055 states. [2020-08-18 17:57:24,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1377 transitions. [2020-08-18 17:57:24,885 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1377 transitions. Word has length 162 [2020-08-18 17:57:24,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:57:24,886 INFO L479 AbstractCegarLoop]: Abstraction has 1055 states and 1377 transitions. [2020-08-18 17:57:24,886 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 17:57:24,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1377 transitions. [2020-08-18 17:57:24,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-08-18 17:57:24,894 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:57:24,894 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:57:24,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 17:57:24,895 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:57:24,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:57:24,895 INFO L82 PathProgramCache]: Analyzing trace with hash -910777059, now seen corresponding path program 1 times [2020-08-18 17:57:24,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:57:24,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1598387114] [2020-08-18 17:57:24,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:57:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:25,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:57:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:25,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 17:57:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:25,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-18 17:57:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:25,264 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 17:57:25,264 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1598387114] [2020-08-18 17:57:25,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 17:57:25,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 17:57:25,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671270452] [2020-08-18 17:57:25,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 17:57:25,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:57:25,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 17:57:25,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 17:57:25,270 INFO L87 Difference]: Start difference. First operand 1055 states and 1377 transitions. Second operand 7 states. [2020-08-18 17:57:26,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:57:26,745 INFO L93 Difference]: Finished difference Result 2563 states and 3412 transitions. [2020-08-18 17:57:26,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 17:57:26,746 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 208 [2020-08-18 17:57:26,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:57:26,755 INFO L225 Difference]: With dead ends: 2563 [2020-08-18 17:57:26,756 INFO L226 Difference]: Without dead ends: 1514 [2020-08-18 17:57:26,759 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-08-18 17:57:26,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2020-08-18 17:57:26,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 1353. [2020-08-18 17:57:26,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1353 states. [2020-08-18 17:57:26,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1353 states and 1721 transitions. [2020-08-18 17:57:26,804 INFO L78 Accepts]: Start accepts. Automaton has 1353 states and 1721 transitions. Word has length 208 [2020-08-18 17:57:26,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:57:26,805 INFO L479 AbstractCegarLoop]: Abstraction has 1353 states and 1721 transitions. [2020-08-18 17:57:26,805 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 17:57:26,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1721 transitions. [2020-08-18 17:57:26,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-08-18 17:57:26,811 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:57:26,812 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-18 17:57:26,812 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 17:57:26,812 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:57:26,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:57:26,813 INFO L82 PathProgramCache]: Analyzing trace with hash 2063499112, now seen corresponding path program 1 times [2020-08-18 17:57:26,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:57:26,813 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [21250649] [2020-08-18 17:57:26,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:57:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:26,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:57:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:26,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 17:57:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:27,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-18 17:57:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:27,088 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 66 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-18 17:57:27,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [21250649] [2020-08-18 17:57:27,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 17:57:27,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 17:57:27,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931467399] [2020-08-18 17:57:27,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 17:57:27,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:57:27,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 17:57:27,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 17:57:27,091 INFO L87 Difference]: Start difference. First operand 1353 states and 1721 transitions. Second operand 7 states. [2020-08-18 17:57:28,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:57:28,574 INFO L93 Difference]: Finished difference Result 2879 states and 3664 transitions. [2020-08-18 17:57:28,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 17:57:28,576 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 209 [2020-08-18 17:57:28,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:57:28,587 INFO L225 Difference]: With dead ends: 2879 [2020-08-18 17:57:28,587 INFO L226 Difference]: Without dead ends: 1532 [2020-08-18 17:57:28,592 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 [2020-08-18 17:57:28,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2020-08-18 17:57:28,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1355. [2020-08-18 17:57:28,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1355 states. [2020-08-18 17:57:28,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1355 states and 1673 transitions. [2020-08-18 17:57:28,638 INFO L78 Accepts]: Start accepts. Automaton has 1355 states and 1673 transitions. Word has length 209 [2020-08-18 17:57:28,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:57:28,638 INFO L479 AbstractCegarLoop]: Abstraction has 1355 states and 1673 transitions. [2020-08-18 17:57:28,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 17:57:28,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 1673 transitions. [2020-08-18 17:57:28,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-08-18 17:57:28,644 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:57:28,644 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:57:28,644 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 17:57:28,645 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:57:28,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:57:28,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1361912872, now seen corresponding path program 1 times [2020-08-18 17:57:28,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:57:28,647 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [426903316] [2020-08-18 17:57:28,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:57:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:28,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:57:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:28,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 17:57:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:28,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-18 17:57:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:29,025 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 70 proven. 74 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 17:57:29,026 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [426903316] [2020-08-18 17:57:29,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 17:57:29,027 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-18 17:57:29,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738168927] [2020-08-18 17:57:29,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 17:57:29,028 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:57:29,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 17:57:29,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-18 17:57:29,039 INFO L87 Difference]: Start difference. First operand 1355 states and 1673 transitions. Second operand 10 states. [2020-08-18 17:57:31,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:57:31,664 INFO L93 Difference]: Finished difference Result 3649 states and 4704 transitions. [2020-08-18 17:57:31,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-18 17:57:31,665 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 217 [2020-08-18 17:57:31,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:57:31,677 INFO L225 Difference]: With dead ends: 3649 [2020-08-18 17:57:31,678 INFO L226 Difference]: Without dead ends: 2416 [2020-08-18 17:57:31,682 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2020-08-18 17:57:31,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2416 states. [2020-08-18 17:57:31,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2416 to 2396. [2020-08-18 17:57:31,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2396 states. [2020-08-18 17:57:31,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 2396 states and 3069 transitions. [2020-08-18 17:57:31,751 INFO L78 Accepts]: Start accepts. Automaton has 2396 states and 3069 transitions. Word has length 217 [2020-08-18 17:57:31,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:57:31,752 INFO L479 AbstractCegarLoop]: Abstraction has 2396 states and 3069 transitions. [2020-08-18 17:57:31,752 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 17:57:31,752 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 3069 transitions. [2020-08-18 17:57:31,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-08-18 17:57:31,758 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:57:31,758 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-18 17:57:31,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 17:57:31,759 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:57:31,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:57:31,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1165154096, now seen corresponding path program 1 times [2020-08-18 17:57:31,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:57:31,760 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1744279036] [2020-08-18 17:57:31,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:57:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:31,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:57:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:31,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 17:57:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:31,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-18 17:57:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:32,087 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 161 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 17:57:32,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1744279036] [2020-08-18 17:57:32,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 17:57:32,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 17:57:32,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900533611] [2020-08-18 17:57:32,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 17:57:32,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:57:32,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 17:57:32,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 17:57:32,091 INFO L87 Difference]: Start difference. First operand 2396 states and 3069 transitions. Second operand 7 states. [2020-08-18 17:57:35,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:57:35,810 INFO L93 Difference]: Finished difference Result 4943 states and 6428 transitions. [2020-08-18 17:57:35,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 17:57:35,811 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 253 [2020-08-18 17:57:35,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:57:35,826 INFO L225 Difference]: With dead ends: 4943 [2020-08-18 17:57:35,826 INFO L226 Difference]: Without dead ends: 2696 [2020-08-18 17:57:35,833 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-08-18 17:57:35,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2696 states. [2020-08-18 17:57:35,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2696 to 2396. [2020-08-18 17:57:35,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2396 states. [2020-08-18 17:57:35,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 2396 states and 2908 transitions. [2020-08-18 17:57:35,959 INFO L78 Accepts]: Start accepts. Automaton has 2396 states and 2908 transitions. Word has length 253 [2020-08-18 17:57:35,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:57:35,960 INFO L479 AbstractCegarLoop]: Abstraction has 2396 states and 2908 transitions. [2020-08-18 17:57:35,960 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 17:57:35,960 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 2908 transitions. [2020-08-18 17:57:35,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-08-18 17:57:35,970 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:57:35,970 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:57:35,971 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 17:57:35,971 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:57:35,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:57:35,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1060741542, now seen corresponding path program 1 times [2020-08-18 17:57:35,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:57:35,972 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [160843481] [2020-08-18 17:57:35,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:57:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:36,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:57:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:36,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 17:57:36,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:36,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-18 17:57:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:36,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-08-18 17:57:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:36,498 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 174 proven. 170 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-18 17:57:36,498 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [160843481] [2020-08-18 17:57:36,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 17:57:36,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-18 17:57:36,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906734296] [2020-08-18 17:57:36,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-18 17:57:36,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:57:36,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-18 17:57:36,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-08-18 17:57:36,501 INFO L87 Difference]: Start difference. First operand 2396 states and 2908 transitions. Second operand 11 states. [2020-08-18 17:57:40,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:57:40,830 INFO L93 Difference]: Finished difference Result 5259 states and 6492 transitions. [2020-08-18 17:57:40,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-18 17:57:40,831 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 330 [2020-08-18 17:57:40,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:57:40,844 INFO L225 Difference]: With dead ends: 5259 [2020-08-18 17:57:40,844 INFO L226 Difference]: Without dead ends: 3012 [2020-08-18 17:57:40,850 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=117, Invalid=483, Unknown=0, NotChecked=0, Total=600 [2020-08-18 17:57:40,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3012 states. [2020-08-18 17:57:40,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3012 to 2990. [2020-08-18 17:57:40,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2990 states. [2020-08-18 17:57:40,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2990 states to 2990 states and 3529 transitions. [2020-08-18 17:57:40,921 INFO L78 Accepts]: Start accepts. Automaton has 2990 states and 3529 transitions. Word has length 330 [2020-08-18 17:57:40,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:57:40,922 INFO L479 AbstractCegarLoop]: Abstraction has 2990 states and 3529 transitions. [2020-08-18 17:57:40,922 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-18 17:57:40,922 INFO L276 IsEmpty]: Start isEmpty. Operand 2990 states and 3529 transitions. [2020-08-18 17:57:40,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2020-08-18 17:57:40,932 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:57:40,933 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:57:40,933 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-18 17:57:40,933 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:57:40,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:57:40,934 INFO L82 PathProgramCache]: Analyzing trace with hash -924465415, now seen corresponding path program 1 times [2020-08-18 17:57:40,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:57:40,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [292048554] [2020-08-18 17:57:40,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:57:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:41,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:57:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:41,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 17:57:41,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:41,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-08-18 17:57:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:41,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-08-18 17:57:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:41,312 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 102 proven. 3 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2020-08-18 17:57:41,313 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [292048554] [2020-08-18 17:57:41,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 17:57:41,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 17:57:41,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799475897] [2020-08-18 17:57:41,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 17:57:41,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:57:41,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 17:57:41,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 17:57:41,315 INFO L87 Difference]: Start difference. First operand 2990 states and 3529 transitions. Second operand 5 states. [2020-08-18 17:57:42,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:57:42,632 INFO L93 Difference]: Finished difference Result 6995 states and 8440 transitions. [2020-08-18 17:57:42,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 17:57:42,633 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 349 [2020-08-18 17:57:42,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:57:42,634 INFO L225 Difference]: With dead ends: 6995 [2020-08-18 17:57:42,634 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 17:57:42,646 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-18 17:57:42,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 17:57:42,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 17:57:42,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 17:57:42,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 17:57:42,648 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 349 [2020-08-18 17:57:42,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:57:42,648 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 17:57:42,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 17:57:42,648 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 17:57:42,648 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 17:57:42,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-18 17:57:42,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 17:57:42,958 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 135 [2020-08-18 17:57:43,065 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 135 [2020-08-18 17:57:43,820 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 45 [2020-08-18 17:57:44,487 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 58 [2020-08-18 17:57:45,148 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 58 [2020-08-18 17:57:45,152 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:57:45,153 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)|)) [2020-08-18 17:57:45,153 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:57:45,153 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-18 17:57:45,153 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,153 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,153 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,153 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,154 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,154 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,154 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-18 17:57:45,154 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-18 17:57:45,154 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-18 17:57:45,154 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-18 17:57:45,154 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-18 17:57:45,154 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-18 17:57:45,154 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-18 17:57:45,155 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-18 17:57:45,155 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-18 17:57:45,155 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-18 17:57:45,155 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-18 17:57:45,155 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,155 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,155 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,156 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,156 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,156 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-18 17:57:45,156 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-18 17:57:45,156 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-18 17:57:45,156 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-18 17:57:45,156 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-18 17:57:45,156 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-18 17:57:45,157 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-18 17:57:45,157 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-18 17:57:45,157 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-18 17:57:45,157 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-18 17:57:45,157 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-18 17:57:45,157 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-18 17:57:45,157 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-18 17:57:45,157 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2020-08-18 17:57:45,158 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-18 17:57:45,158 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,158 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,158 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,158 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,158 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,158 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-18 17:57:45,158 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-18 17:57:45,159 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-18 17:57:45,159 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-18 17:57:45,159 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-18 17:57:45,159 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-18 17:57:45,159 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-18 17:57:45,159 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-18 17:57:45,159 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-18 17:57:45,159 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-18 17:57:45,160 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,160 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,160 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,160 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,160 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,160 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-18 17:57:45,160 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-18 17:57:45,160 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-18 17:57:45,161 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-18 17:57:45,161 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-18 17:57:45,161 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-18 17:57:45,161 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-18 17:57:45,161 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-18 17:57:45,161 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-18 17:57:45,161 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-18 17:57:45,161 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-18 17:57:45,162 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-18 17:57:45,162 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-18 17:57:45,162 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,162 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,162 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,162 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,162 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,162 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-18 17:57:45,162 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-18 17:57:45,163 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-18 17:57:45,163 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-18 17:57:45,163 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-18 17:57:45,163 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-18 17:57:45,163 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-18 17:57:45,163 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-18 17:57:45,163 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-18 17:57:45,163 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,164 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,164 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,164 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,164 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,164 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,164 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,164 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-18 17:57:45,164 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-18 17:57:45,165 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-18 17:57:45,165 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-18 17:57:45,165 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-18 17:57:45,165 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-18 17:57:45,165 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-18 17:57:45,165 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-18 17:57:45,165 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-18 17:57:45,165 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-18 17:57:45,165 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-18 17:57:45,166 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-18 17:57:45,166 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-18 17:57:45,166 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,166 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,166 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,166 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,166 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-18 17:57:45,166 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,166 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,167 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-18 17:57:45,167 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-18 17:57:45,167 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-18 17:57:45,167 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-18 17:57:45,167 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-18 17:57:45,167 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-18 17:57:45,167 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-18 17:57:45,167 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-18 17:57:45,167 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-18 17:57:45,167 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-18 17:57:45,168 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-18 17:57:45,168 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-18 17:57:45,168 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-18 17:57:45,168 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,168 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,168 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,168 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,168 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,169 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,169 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-18 17:57:45,169 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-18 17:57:45,169 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-18 17:57:45,169 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-18 17:57:45,169 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-18 17:57:45,169 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-18 17:57:45,169 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-18 17:57:45,170 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-18 17:57:45,170 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-18 17:57:45,170 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-18 17:57:45,170 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-18 17:57:45,170 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (= 7 |old(~a19~0)|)) (.cse2 (not (<= |old(~a19~0)| 9))) (.cse3 (not (<= |old(~a1~0)| 206))) (.cse4 (not (= |old(~a10~0)| 1))) (.cse1 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= |old(~a10~0)| 0)) .cse3 .cse1) (or (not (<= 9 |old(~a19~0)|)) .cse4 .cse1) (or .cse3 .cse1 .cse2 (not (= 2 |old(~a10~0)|))) (or .cse4 .cse1 (not (= 14 ~a4~0)) (not (= ~a12~0 0))) (or .cse3 .cse4 .cse1))) [2020-08-18 17:57:45,170 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-18 17:57:45,171 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-18 17:57:45,171 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-18 17:57:45,171 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,171 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,171 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,171 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,171 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,171 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,171 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-18 17:57:45,172 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-18 17:57:45,172 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-18 17:57:45,172 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-18 17:57:45,172 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-18 17:57:45,172 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-18 17:57:45,172 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-18 17:57:45,172 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-18 17:57:45,172 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-18 17:57:45,172 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-18 17:57:45,172 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-18 17:57:45,173 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-18 17:57:45,173 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-18 17:57:45,173 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,173 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,173 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,173 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,173 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,173 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,173 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-18 17:57:45,174 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-18 17:57:45,174 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-18 17:57:45,174 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-18 17:57:45,174 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-18 17:57:45,174 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-18 17:57:45,174 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-18 17:57:45,174 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-18 17:57:45,174 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-18 17:57:45,174 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-18 17:57:45,174 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-18 17:57:45,175 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-18 17:57:45,175 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,175 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,175 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,175 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,175 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,175 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:45,176 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-18 17:57:45,176 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-18 17:57:45,176 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-18 17:57:45,176 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-18 17:57:45,176 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-18 17:57:45,176 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-18 17:57:45,176 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-18 17:57:45,176 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-18 17:57:45,176 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-18 17:57:45,177 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-18 17:57:45,177 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-18 17:57:45,177 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-18 17:57:45,177 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:57:45,177 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 23 ~a1~0) (= 14 ~a4~0) (<= 9 ~a19~0) (= ~a12~0 0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-08-18 17:57:45,177 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 17:57:45,177 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:57:45,179 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))) [2020-08-18 17:57:45,179 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-18 17:57:45,180 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 9)) (.cse3 (= ~a10~0 1)) (.cse0 (or (<= (+ |old(~a1~0)| 13) 0) (= 0 |old(~a10~0)|))) (.cse4 (not (= 7 ~a19~0))) (.cse2 (<= ~a1~0 206))) (or (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and (= ~a19~0 8) .cse3 (<= 331505 ~a1~0)) (and .cse0 .cse1 .cse4) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (and .cse0 .cse3) (and .cse0 (<= ~a10~0 0) .cse4 .cse2) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)))) [2020-08-18 17:57:45,180 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-18 17:57:45,180 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-18 17:57:45,180 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 9)) (.cse3 (= ~a10~0 1)) (.cse0 (or (<= (+ |old(~a1~0)| 13) 0) (= 0 |old(~a10~0)|))) (.cse4 (not (= 7 ~a19~0))) (.cse2 (<= ~a1~0 206))) (or (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and (= ~a19~0 8) .cse3 (<= 331505 ~a1~0)) (and .cse0 .cse1 .cse4) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (and .cse0 .cse3) (and .cse0 (<= ~a10~0 0) .cse4 .cse2) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)))) [2020-08-18 17:57:45,180 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-18 17:57:45,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 05:57:45 BoogieIcfgContainer [2020-08-18 17:57:45,228 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 17:57:45,230 INFO L168 Benchmark]: Toolchain (without parser) took 29968.19 ms. Allocated memory was 147.8 MB in the beginning and 536.9 MB in the end (delta: 389.0 MB). Free memory was 101.1 MB in the beginning and 271.6 MB in the end (delta: -170.5 MB). Peak memory consumption was 406.4 MB. Max. memory is 7.1 GB. [2020-08-18 17:57:45,232 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 147.8 MB. Free memory was 121.1 MB in the beginning and 120.7 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-08-18 17:57:45,233 INFO L168 Benchmark]: CACSL2BoogieTranslator took 786.90 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 100.7 MB in the beginning and 170.7 MB in the end (delta: -70.0 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. [2020-08-18 17:57:45,234 INFO L168 Benchmark]: Boogie Preprocessor took 112.26 ms. Allocated memory is still 205.0 MB. Free memory was 170.7 MB in the beginning and 165.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-08-18 17:57:45,235 INFO L168 Benchmark]: RCFGBuilder took 1375.02 ms. Allocated memory was 205.0 MB in the beginning and 239.1 MB in the end (delta: 34.1 MB). Free memory was 165.7 MB in the beginning and 181.5 MB in the end (delta: -15.8 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. [2020-08-18 17:57:45,235 INFO L168 Benchmark]: TraceAbstraction took 27688.73 ms. Allocated memory was 239.1 MB in the beginning and 536.9 MB in the end (delta: 297.8 MB). Free memory was 179.8 MB in the beginning and 271.6 MB in the end (delta: -91.8 MB). Peak memory consumption was 393.8 MB. Max. memory is 7.1 GB. [2020-08-18 17:57:45,248 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 147.8 MB. Free memory was 121.1 MB in the beginning and 120.7 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 786.90 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 100.7 MB in the beginning and 170.7 MB in the end (delta: -70.0 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.26 ms. Allocated memory is still 205.0 MB. Free memory was 170.7 MB in the beginning and 165.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1375.02 ms. Allocated memory was 205.0 MB in the beginning and 239.1 MB in the end (delta: 34.1 MB). Free memory was 165.7 MB in the beginning and 181.5 MB in the end (delta: -15.8 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27688.73 ms. Allocated memory was 239.1 MB in the beginning and 536.9 MB in the end (delta: 297.8 MB). Free memory was 179.8 MB in the beginning and 271.6 MB in the end (delta: -91.8 MB). Peak memory consumption was 393.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: 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: (((((((((((((((\old(a1) + 13 <= 0 || 0 == \old(a10)) && a10 == 2) && a19 <= 9) && a1 <= 206) || ((a19 == 8 && a10 == 1) && 331505 <= a1)) || (((\old(a1) + 13 <= 0 || 0 == \old(a10)) && a19 <= 9) && !(7 == a19))) || !(a12 == 0)) || !(23 <= \old(a1))) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || (((23 <= a1 && a1 <= 23) && a19 == \old(a19)) && a10 == \old(a10))) || ((\old(a1) + 13 <= 0 || 0 == \old(a10)) && a10 == 1)) || ((((\old(a1) + 13 <= 0 || 0 == \old(a10)) && a10 <= 0) && !(7 == a19)) && a1 <= 206)) || !(\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: 25.0s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 20.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 288 SDtfs, 4960 SDslu, 517 SDs, 0 SdLazy, 11054 SolverSat, 1489 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 15.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2990occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 1024 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 118 PreInvPairs, 178 NumberOfFragments, 466 HoareAnnotationTreeSize, 118 FomulaSimplifications, 37911 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 12104 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1890 NumberOfCodeBlocks, 1890 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1881 ConstructedInterpolants, 0 QuantifiedInterpolants, 1139860 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 1033/1361 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...