/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_label10.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 17:57:02,097 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-18 17:57:02,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 17:57:02,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 17:57:02,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 17:57:02,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 17:57:02,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 17:57:02,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 17:57:02,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 17:57:02,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 17:57:02,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 17:57:02,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 17:57:02,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 17:57:02,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 17:57:02,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-18 17:57:02,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 17:57:02,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 17:57:02,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 17:57:02,215 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 17:57:02,259 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 17:57:02,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 17:57:02,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 17:57:02,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 17:57:02,262 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 17:57:02,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 17:57:02,262 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 17:57:02,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 17:57:02,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 17:57:02,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 17:57:02,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 17:57:02,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 17:57:02,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 17:57:02,265 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 17:57:02,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 17:57:02,265 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 17:57:02,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 17:57:02,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 17:57:02,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 17:57:02,266 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 17:57:02,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 17:57:02,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 17:57:02,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 17:57:02,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 17:57:02,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 17:57:02,267 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 17:57:02,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 17:57:02,268 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 17:57:02,268 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 17:57:02,268 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 17:57:02,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 17:57:02,571 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 17:57:02,583 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 17:57:02,586 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 17:57:02,587 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 17:57:02,588 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label10.c [2020-08-18 17:57:02,659 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/324924bd8/81421a4f7d564eb1ae5bc8d6bbf4f5fd/FLAG6672f1910 [2020-08-18 17:57:03,242 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 17:57:03,243 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label10.c [2020-08-18 17:57:03,256 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/324924bd8/81421a4f7d564eb1ae5bc8d6bbf4f5fd/FLAG6672f1910 [2020-08-18 17:57:03,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/324924bd8/81421a4f7d564eb1ae5bc8d6bbf4f5fd [2020-08-18 17:57:03,522 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 17:57:03,523 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 17:57:03,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 17:57:03,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 17:57:03,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 17:57:03,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:57:03" (1/1) ... [2020-08-18 17:57:03,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72eb96f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:57:03, skipping insertion in model container [2020-08-18 17:57:03,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:57:03" (1/1) ... [2020-08-18 17:57:03,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 17:57:03,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 17:57:04,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:57:04,018 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 17:57:04,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:57:04,299 INFO L208 MainTranslator]: Completed translation [2020-08-18 17:57:04,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:57:04 WrapperNode [2020-08-18 17:57:04,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 17:57:04,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 17:57:04,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 17:57:04,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 17:57:04,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:57:04" (1/1) ... [2020-08-18 17:57:04,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:57:04" (1/1) ... [2020-08-18 17:57:04,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:57:04" (1/1) ... [2020-08-18 17:57:04,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:57:04" (1/1) ... [2020-08-18 17:57:04,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:57:04" (1/1) ... [2020-08-18 17:57:04,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:57:04" (1/1) ... [2020-08-18 17:57:04,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:57:04" (1/1) ... [2020-08-18 17:57:04,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 17:57:04,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 17:57:04,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 17:57:04,407 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 17:57:04,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:57:04" (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 17:57:04,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 17:57:04,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 17:57:04,484 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-18 17:57:04,484 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 17:57:04,485 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-18 17:57:04,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 17:57:04,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 17:57:04,485 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-18 17:57:04,485 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 17:57:04,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 17:57:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 17:57:05,968 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 17:57:05,969 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-18 17:57:05,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:57:05 BoogieIcfgContainer [2020-08-18 17:57:05,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 17:57:05,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 17:57:05,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 17:57:05,985 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 17:57:05,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 05:57:03" (1/3) ... [2020-08-18 17:57:05,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44aa4745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:57:05, skipping insertion in model container [2020-08-18 17:57:05,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:57:04" (2/3) ... [2020-08-18 17:57:05,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44aa4745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:57:05, skipping insertion in model container [2020-08-18 17:57:05,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:57:05" (3/3) ... [2020-08-18 17:57:05,991 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label10.c [2020-08-18 17:57:06,002 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 17:57:06,013 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 17:57:06,028 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 17:57:06,061 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 17:57:06,062 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 17:57:06,062 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 17:57:06,062 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 17:57:06,062 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 17:57:06,062 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 17:57:06,063 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 17:57:06,063 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 17:57:06,086 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-18 17:57:06,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-18 17:57:06,095 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:57:06,096 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:57:06,097 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:57:06,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:57:06,104 INFO L82 PathProgramCache]: Analyzing trace with hash 951236199, now seen corresponding path program 1 times [2020-08-18 17:57:06,111 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:57:06,111 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [217385590] [2020-08-18 17:57:06,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:57:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:06,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:57:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:06,545 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 17:57:06,546 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [217385590] [2020-08-18 17:57:06,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:57:06,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 17:57:06,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484872452] [2020-08-18 17:57:06,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 17:57:06,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:57:06,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 17:57:06,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 17:57:06,578 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-08-18 17:57:08,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:57:08,743 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-08-18 17:57:08,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 17:57:08,751 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-08-18 17:57:08,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:57:08,771 INFO L225 Difference]: With dead ends: 730 [2020-08-18 17:57:08,771 INFO L226 Difference]: Without dead ends: 447 [2020-08-18 17:57:08,780 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 17:57:08,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-08-18 17:57:08,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-08-18 17:57:08,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-08-18 17:57:08,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-08-18 17:57:08,901 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 54 [2020-08-18 17:57:08,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:57:08,903 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-08-18 17:57:08,904 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 17:57:08,904 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-08-18 17:57:08,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-08-18 17:57:08,921 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:57:08,922 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:57:08,922 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 17:57:08,923 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:57:08,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:57:08,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1775161813, now seen corresponding path program 1 times [2020-08-18 17:57:08,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:57:08,924 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [325893110] [2020-08-18 17:57:08,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:57:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:09,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:57:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:09,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 17:57:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:09,403 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 46 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:57:09,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [325893110] [2020-08-18 17:57:09,404 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 17:57:09,404 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 17:57:09,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558038602] [2020-08-18 17:57:09,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 17:57:09,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:57:09,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 17:57:09,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 17:57:09,407 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 5 states. [2020-08-18 17:57:10,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:57:10,769 INFO L93 Difference]: Finished difference Result 1172 states and 1811 transitions. [2020-08-18 17:57:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 17:57:10,772 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 173 [2020-08-18 17:57:10,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:57:10,781 INFO L225 Difference]: With dead ends: 1172 [2020-08-18 17:57:10,782 INFO L226 Difference]: Without dead ends: 737 [2020-08-18 17:57:10,784 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-18 17:57:10,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2020-08-18 17:57:10,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 588. [2020-08-18 17:57:10,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-08-18 17:57:10,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 841 transitions. [2020-08-18 17:57:10,823 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 841 transitions. Word has length 173 [2020-08-18 17:57:10,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:57:10,825 INFO L479 AbstractCegarLoop]: Abstraction has 588 states and 841 transitions. [2020-08-18 17:57:10,825 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 17:57:10,825 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 841 transitions. [2020-08-18 17:57:10,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-08-18 17:57:10,829 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:57:10,830 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:57:10,830 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 17:57:10,830 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:57:10,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:57:10,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1459583831, now seen corresponding path program 1 times [2020-08-18 17:57:10,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:57:10,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1508882755] [2020-08-18 17:57:10,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:57:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:10,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:57:10,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:10,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 17:57:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:11,126 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:57:11,126 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1508882755] [2020-08-18 17:57:11,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:57:11,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 17:57:11,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755323618] [2020-08-18 17:57:11,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 17:57:11,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:57:11,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 17:57:11,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 17:57:11,129 INFO L87 Difference]: Start difference. First operand 588 states and 841 transitions. Second operand 8 states. [2020-08-18 17:57:13,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:57:13,068 INFO L93 Difference]: Finished difference Result 1927 states and 2946 transitions. [2020-08-18 17:57:13,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 17:57:13,070 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 179 [2020-08-18 17:57:13,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:57:13,089 INFO L225 Difference]: With dead ends: 1927 [2020-08-18 17:57:13,090 INFO L226 Difference]: Without dead ends: 1345 [2020-08-18 17:57:13,093 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-08-18 17:57:13,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2020-08-18 17:57:13,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 896. [2020-08-18 17:57:13,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 896 states. [2020-08-18 17:57:13,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1204 transitions. [2020-08-18 17:57:13,164 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 1204 transitions. Word has length 179 [2020-08-18 17:57:13,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:57:13,166 INFO L479 AbstractCegarLoop]: Abstraction has 896 states and 1204 transitions. [2020-08-18 17:57:13,166 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 17:57:13,166 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1204 transitions. [2020-08-18 17:57:13,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-08-18 17:57:13,177 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:57:13,178 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-18 17:57:13,178 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 17:57:13,178 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:57:13,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:57:13,179 INFO L82 PathProgramCache]: Analyzing trace with hash 148863531, now seen corresponding path program 1 times [2020-08-18 17:57:13,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:57:13,179 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1668201310] [2020-08-18 17:57:13,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:57:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:13,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:57:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:13,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 17:57:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:13,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-18 17:57:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:13,731 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 98 proven. 74 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 17:57:13,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1668201310] [2020-08-18 17:57:13,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 17:57:13,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-18 17:57:13,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760698064] [2020-08-18 17:57:13,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 17:57:13,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:57:13,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 17:57:13,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-18 17:57:13,736 INFO L87 Difference]: Start difference. First operand 896 states and 1204 transitions. Second operand 10 states. [2020-08-18 17:57:17,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:57:17,904 INFO L93 Difference]: Finished difference Result 3093 states and 4822 transitions. [2020-08-18 17:57:17,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-18 17:57:17,904 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 258 [2020-08-18 17:57:17,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:57:17,923 INFO L225 Difference]: With dead ends: 3093 [2020-08-18 17:57:17,923 INFO L226 Difference]: Without dead ends: 2172 [2020-08-18 17:57:17,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=428, Unknown=0, NotChecked=0, Total=552 [2020-08-18 17:57:17,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2172 states. [2020-08-18 17:57:18,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2172 to 2162. [2020-08-18 17:57:18,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2162 states. [2020-08-18 17:57:18,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2162 states to 2162 states and 3334 transitions. [2020-08-18 17:57:18,063 INFO L78 Accepts]: Start accepts. Automaton has 2162 states and 3334 transitions. Word has length 258 [2020-08-18 17:57:18,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:57:18,064 INFO L479 AbstractCegarLoop]: Abstraction has 2162 states and 3334 transitions. [2020-08-18 17:57:18,064 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 17:57:18,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2162 states and 3334 transitions. [2020-08-18 17:57:18,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2020-08-18 17:57:18,081 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:57:18,081 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:57:18,082 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 17:57:18,082 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:57:18,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:57:18,082 INFO L82 PathProgramCache]: Analyzing trace with hash 537203763, now seen corresponding path program 1 times [2020-08-18 17:57:18,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:57:18,083 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [133156472] [2020-08-18 17:57:18,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:57:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:18,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:57:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:18,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 17:57:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:18,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-18 17:57:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:18,630 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 98 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2020-08-18 17:57:18,631 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [133156472] [2020-08-18 17:57:18,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 17:57:18,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 17:57:18,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994743120] [2020-08-18 17:57:18,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 17:57:18,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:57:18,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 17:57:18,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-18 17:57:18,634 INFO L87 Difference]: Start difference. First operand 2162 states and 3334 transitions. Second operand 9 states. [2020-08-18 17:57:21,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:57:21,591 INFO L93 Difference]: Finished difference Result 5341 states and 10037 transitions. [2020-08-18 17:57:21,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-18 17:57:21,592 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 294 [2020-08-18 17:57:21,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:57:21,633 INFO L225 Difference]: With dead ends: 5341 [2020-08-18 17:57:21,634 INFO L226 Difference]: Without dead ends: 3185 [2020-08-18 17:57:21,650 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2020-08-18 17:57:21,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3185 states. [2020-08-18 17:57:21,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3185 to 2953. [2020-08-18 17:57:21,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2953 states. [2020-08-18 17:57:21,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2953 states to 2953 states and 4582 transitions. [2020-08-18 17:57:21,866 INFO L78 Accepts]: Start accepts. Automaton has 2953 states and 4582 transitions. Word has length 294 [2020-08-18 17:57:21,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:57:21,867 INFO L479 AbstractCegarLoop]: Abstraction has 2953 states and 4582 transitions. [2020-08-18 17:57:21,868 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 17:57:21,868 INFO L276 IsEmpty]: Start isEmpty. Operand 2953 states and 4582 transitions. [2020-08-18 17:57:21,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-08-18 17:57:21,890 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:57:21,891 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-18 17:57:21,891 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 17:57:21,892 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:57:21,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:57:21,892 INFO L82 PathProgramCache]: Analyzing trace with hash 5139694, now seen corresponding path program 1 times [2020-08-18 17:57:21,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:57:21,893 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1714321893] [2020-08-18 17:57:21,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:57:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:21,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:57:21,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:22,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 17:57:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:22,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-18 17:57:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:22,434 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 94 proven. 117 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-18 17:57:22,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1714321893] [2020-08-18 17:57:22,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 17:57:22,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 17:57:22,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393168511] [2020-08-18 17:57:22,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 17:57:22,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:57:22,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 17:57:22,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 17:57:22,448 INFO L87 Difference]: Start difference. First operand 2953 states and 4582 transitions. Second operand 8 states. [2020-08-18 17:57:24,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:57:24,186 INFO L93 Difference]: Finished difference Result 5937 states and 8813 transitions. [2020-08-18 17:57:24,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 17:57:24,188 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 301 [2020-08-18 17:57:24,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:57:24,214 INFO L225 Difference]: With dead ends: 5937 [2020-08-18 17:57:24,214 INFO L226 Difference]: Without dead ends: 3038 [2020-08-18 17:57:24,231 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 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 17:57:24,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3038 states. [2020-08-18 17:57:24,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3038 to 2831. [2020-08-18 17:57:24,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2831 states. [2020-08-18 17:57:24,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 3750 transitions. [2020-08-18 17:57:24,386 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 3750 transitions. Word has length 301 [2020-08-18 17:57:24,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:57:24,387 INFO L479 AbstractCegarLoop]: Abstraction has 2831 states and 3750 transitions. [2020-08-18 17:57:24,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 17:57:24,388 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3750 transitions. [2020-08-18 17:57:24,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2020-08-18 17:57:24,403 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:57:24,404 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 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] [2020-08-18 17:57:24,404 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 17:57:24,404 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:57:24,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:57:24,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1175506291, now seen corresponding path program 1 times [2020-08-18 17:57:24,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:57:24,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2085169354] [2020-08-18 17:57:24,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:57:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:24,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:57:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:24,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 17:57:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:24,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-18 17:57:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:24,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-08-18 17:57:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:24,840 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 144 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-08-18 17:57:24,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2085169354] [2020-08-18 17:57:24,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 17:57:24,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 17:57:24,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931505946] [2020-08-18 17:57:24,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 17:57:24,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:57:24,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 17:57:24,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 17:57:24,844 INFO L87 Difference]: Start difference. First operand 2831 states and 3750 transitions. Second operand 5 states. [2020-08-18 17:57:26,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:57:26,020 INFO L93 Difference]: Finished difference Result 6232 states and 8328 transitions. [2020-08-18 17:57:26,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 17:57:26,021 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 379 [2020-08-18 17:57:26,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:57:26,022 INFO L225 Difference]: With dead ends: 6232 [2020-08-18 17:57:26,022 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 17:57:26,037 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 17:57:26,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 17:57:26,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 17:57:26,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 17:57:26,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 17:57:26,038 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 379 [2020-08-18 17:57:26,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:57:26,039 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 17:57:26,039 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 17:57:26,039 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 17:57:26,039 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 17:57:26,040 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 17:57:26,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 17:57:26,818 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 26 [2020-08-18 17:57:26,952 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:57:26,952 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 17:57:26,953 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:57:26,953 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-18 17:57:26,953 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,953 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,953 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,953 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,953 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,954 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,954 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-18 17:57:26,954 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-18 17:57:26,954 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-18 17:57:26,954 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-18 17:57:26,954 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-18 17:57:26,954 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-18 17:57:26,954 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-18 17:57:26,954 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-18 17:57:26,954 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-18 17:57:26,955 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-18 17:57:26,955 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-18 17:57:26,955 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,955 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,955 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,955 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,955 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,955 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-18 17:57:26,955 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-18 17:57:26,956 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-18 17:57:26,956 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-18 17:57:26,956 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-18 17:57:26,956 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-18 17:57:26,956 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-18 17:57:26,956 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-18 17:57:26,956 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-18 17:57:26,956 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-18 17:57:26,956 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-18 17:57:26,956 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-18 17:57:26,957 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-18 17:57:26,957 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2020-08-18 17:57:26,957 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-18 17:57:26,957 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,957 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,957 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,957 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,957 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,957 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-18 17:57:26,958 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-18 17:57:26,958 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-18 17:57:26,958 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-18 17:57:26,958 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-18 17:57:26,958 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-18 17:57:26,958 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-18 17:57:26,959 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-18 17:57:26,959 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-18 17:57:26,959 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-18 17:57:26,959 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,959 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,959 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,959 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,960 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,960 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-18 17:57:26,960 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-18 17:57:26,960 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-18 17:57:26,960 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-18 17:57:26,960 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-18 17:57:26,960 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-18 17:57:26,960 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-18 17:57:26,961 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-18 17:57:26,961 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-18 17:57:26,961 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-18 17:57:26,961 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-18 17:57:26,961 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-18 17:57:26,961 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-18 17:57:26,961 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,962 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,962 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,962 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,962 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,962 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-18 17:57:26,963 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-18 17:57:26,963 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-18 17:57:26,963 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-18 17:57:26,963 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-18 17:57:26,963 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-18 17:57:26,963 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-18 17:57:26,964 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-18 17:57:26,964 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-18 17:57:26,964 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,964 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,964 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,964 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,964 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,964 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,964 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,964 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-18 17:57:26,964 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-18 17:57:26,964 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-18 17:57:26,964 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-18 17:57:26,965 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-18 17:57:26,965 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-18 17:57:26,965 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-18 17:57:26,965 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-18 17:57:26,965 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-18 17:57:26,965 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-18 17:57:26,965 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-18 17:57:26,965 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-18 17:57:26,965 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-18 17:57:26,965 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,966 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,966 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,966 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,966 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-18 17:57:26,966 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,966 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,966 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-18 17:57:26,966 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-18 17:57:26,966 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-18 17:57:26,967 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-18 17:57:26,967 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-18 17:57:26,967 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-18 17:57:26,967 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-18 17:57:26,967 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-18 17:57:26,967 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-18 17:57:26,967 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-18 17:57:26,967 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-18 17:57:26,967 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-18 17:57:26,967 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-18 17:57:26,968 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,968 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,968 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,968 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,968 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,968 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,968 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-18 17:57:26,968 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-18 17:57:26,968 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-18 17:57:26,968 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-18 17:57:26,968 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-18 17:57:26,969 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-18 17:57:26,969 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-18 17:57:26,969 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-18 17:57:26,969 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-18 17:57:26,969 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-18 17:57:26,969 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-18 17:57:26,969 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or .cse0 (not (= 4 |old(~a10~0)|))) (or (not (<= |old(~a10~0)| 0)) .cse0) (or (not (= 3 |old(~a10~0)|)) .cse0) (or (= 6 |old(~a19~0)|) .cse0))) [2020-08-18 17:57:26,969 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-18 17:57:26,969 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-18 17:57:26,970 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-18 17:57:26,970 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,970 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,970 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,970 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,970 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,970 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,970 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-18 17:57:26,970 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-18 17:57:26,970 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-18 17:57:26,971 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-18 17:57:26,971 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-18 17:57:26,971 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-18 17:57:26,971 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-18 17:57:26,971 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-18 17:57:26,971 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-18 17:57:26,971 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-18 17:57:26,971 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-18 17:57:26,971 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-18 17:57:26,971 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-18 17:57:26,971 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,971 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,971 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,972 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,972 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,972 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,972 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-18 17:57:26,972 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-18 17:57:26,972 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-18 17:57:26,972 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-18 17:57:26,972 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-18 17:57:26,973 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-18 17:57:26,973 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-18 17:57:26,973 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-18 17:57:26,973 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-18 17:57:26,973 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-18 17:57:26,973 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-18 17:57:26,973 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-18 17:57:26,974 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,974 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,974 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,974 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,974 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,974 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 17:57:26,974 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-18 17:57:26,975 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-18 17:57:26,975 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-18 17:57:26,975 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-18 17:57:26,975 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-18 17:57:26,975 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-18 17:57:26,975 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-18 17:57:26,975 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-18 17:57:26,975 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-18 17:57:26,976 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-18 17:57:26,976 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-18 17:57:26,976 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-18 17:57:26,976 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:57:26,976 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= ~a4~0 14) (<= 23 ~a1~0) (<= 9 ~a19~0) (= ~a12~0 0) (<= ~a19~0 9)) [2020-08-18 17:57:26,976 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 17:57:26,976 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:57:26,976 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (and (<= 9 ~a19~0) (<= ~a19~0 9) (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (not (= ~a12~0 0))) [2020-08-18 17:57:26,977 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-18 17:57:26,977 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (<= ~a10~0 0) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (= ~a10~0 3) (not (= ~a19~0 6)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (= ~a10~0 4) (not (= ~a12~0 0))) [2020-08-18 17:57:26,977 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-18 17:57:26,977 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-18 17:57:26,977 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (<= ~a10~0 0) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (= ~a10~0 3) (not (= ~a19~0 6)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (= ~a10~0 4) (not (= ~a12~0 0))) [2020-08-18 17:57:26,977 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-18 17:57:27,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 05:57:27 BoogieIcfgContainer [2020-08-18 17:57:27,005 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 17:57:27,008 INFO L168 Benchmark]: Toolchain (without parser) took 23484.03 ms. Allocated memory was 148.4 MB in the beginning and 525.3 MB in the end (delta: 377.0 MB). Free memory was 101.7 MB in the beginning and 186.1 MB in the end (delta: -84.4 MB). Peak memory consumption was 292.6 MB. Max. memory is 7.1 GB. [2020-08-18 17:57:27,014 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 148.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-08-18 17:57:27,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 776.21 ms. Allocated memory was 148.4 MB in the beginning and 207.1 MB in the end (delta: 58.7 MB). Free memory was 101.5 MB in the beginning and 173.3 MB in the end (delta: -71.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2020-08-18 17:57:27,016 INFO L168 Benchmark]: Boogie Preprocessor took 105.07 ms. Allocated memory is still 207.1 MB. Free memory was 173.3 MB in the beginning and 168.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-08-18 17:57:27,017 INFO L168 Benchmark]: RCFGBuilder took 1574.03 ms. Allocated memory was 207.1 MB in the beginning and 237.5 MB in the end (delta: 30.4 MB). Free memory was 168.4 MB in the beginning and 179.6 MB in the end (delta: -11.2 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2020-08-18 17:57:27,018 INFO L168 Benchmark]: TraceAbstraction took 21023.40 ms. Allocated memory was 237.5 MB in the beginning and 525.3 MB in the end (delta: 287.8 MB). Free memory was 178.2 MB in the beginning and 186.1 MB in the end (delta: -7.9 MB). Peak memory consumption was 280.0 MB. Max. memory is 7.1 GB. [2020-08-18 17:57:27,030 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 148.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 776.21 ms. Allocated memory was 148.4 MB in the beginning and 207.1 MB in the end (delta: 58.7 MB). Free memory was 101.5 MB in the beginning and 173.3 MB in the end (delta: -71.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.07 ms. Allocated memory is still 207.1 MB. Free memory was 173.3 MB in the beginning and 168.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1574.03 ms. Allocated memory was 207.1 MB in the beginning and 237.5 MB in the end (delta: 30.4 MB). Free memory was 168.4 MB in the beginning and 179.6 MB in the end (delta: -11.2 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21023.40 ms. Allocated memory was 237.5 MB in the beginning and 525.3 MB in the end (delta: 287.8 MB). Free memory was 178.2 MB in the beginning and 186.1 MB in the end (delta: -7.9 MB). Peak memory consumption was 280.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: 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: ((((((((!(23 <= \old(a1)) || a10 <= 0) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || a10 == 3) || !(a19 == 6)) || !(\old(a19) <= 9)) || !(14 == a4)) || a10 == 4) || !(a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.9s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 15.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 248 SDtfs, 4019 SDslu, 425 SDs, 0 SdLazy, 9498 SolverSat, 1606 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2953occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 7 MinimizatonAttempts, 1053 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 134 PreInvPairs, 188 NumberOfFragments, 225 HoareAnnotationTreeSize, 134 FomulaSimplifications, 50126 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1992 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1638 NumberOfCodeBlocks, 1638 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1631 ConstructedInterpolants, 0 QuantifiedInterpolants, 995085 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 921/1118 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...